Joliet Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Joliet Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-6.887499999999999	-10.8		-0.0375	-5.1
	-7.675	-5.5		-1.3437499999999998	-1.6
	-7.581249999999999	-5.2		-0.7250000000000001	-0.3
	-7.756249999999998	-6.8		-0.775	-1.6
	-8.5875	-2.6		-1.2062500000000005	-0.4
	-8.581249999999999	0.1		-3.03125	2
	-8.612499999999999	0.4		-1.6562500000000004	2.5
	-8.450000000000001	0.3		-0.8624999999999998	8.8
	-8.331249999999999	2.5		0.17499999999999993	14.4
	-6.9750000000000005	-1.7		1.0312500000000002	2.2
	-5.375	-4.6		2.4749999999999996	1.9
	-6.1000000000000005	-2.3		0.58125	4.5
	-8.875	-0.9		-1.46875	6
	-8.925	-5.9		-2.1875	1.9
Jan.	-8.5375	-9.1		-1.7375	-5.4
	-7.406250000000001	-4.5		-0.21250000000000008	2.5
	-7.25625	-9		-0.3937499999999999	-2.2
	-6.9375	-13.5		-0.14375000000000016	-5.1
	-8.887500000000001	-16		-1.1	-7.9
	-9.30625	-16.7		-2.6125	-4.5
	-9.69375	-6		-2.6125	-1.7
	-8.131250000000001	-10.3		-0.16875000000000012	-4.5
	-7.012500000000002	-20.2		-1.025	-10.8
	-7.175000000000001	-19.6		0.38749999999999996	-13
	-6.281250000000001	-12.8		0.2749999999999999	-5.9
	-7.718750000000001	-16.5		-1.3187500000000003	-9.4
	-7.89375	-12.8		-1.14375	-7.7
	-7.531250000000002	-16.1		-0.5750000000000003	-6.9
	-7.468749999999999	-14.4		-0.4875	-8.6
	-7.6000000000000005	-16		-0.09375	-7.3
	-6.768750000000001	-14.2		0.19375	-2.6
	-6.812499999999998	-15.3		0.9562499999999999	-2.7
	-7.737500000000001	-6.6		0.4750000000000002	0.6
	-8.21875	-7.8		-0.3125000000000001	-2.8
	-8.1875	-11.1		0.2562500000000001	-2.2
	-8.18125	-9		-1.5624999999999998	-0.6
	-7.675000000000001	-4.3		0.36874999999999986	3
	-7.456249999999999	-10.6		0.6187499999999999	-2.2
	-8.69375	-6.1		-1.5187500000000003	-3.4
	-7.825	-3.9		-1.6375	1.1
	-9.099999999999998	-1.6		-1.5687499999999996	6
	-8.9375	-1		-0.7687499999999999	3.8
	-9.075000000000001	-3.2		-1.025	3
	-10.2875	-3.1		-0.7937500000000001	11.1
	-8.581249999999999	-1.2		-0.006249999999999936	3.4
Feb.	-7.73125	1		0.33125000000000004	11.3
	-6.3999999999999995	-0.3		0.7625000000000003	6.8
	-7.4625	3.3		0.8750000000000004	7.5
	-7.118749999999999	6.5		2.6187499999999995	17.9
	-6.21875	2.9		2.775	12.1
	-5.843749999999999	1.1		4.6812499999999995	10
	-3.0062499999999996	-2.9		3.7750000000000004	5.3
	-3.2812500000000004	-6		4.69375	-2.6
	-4.487500000000001	-8.4		3.4750000000000005	0.4
	-5.287499999999999	-4.4		3.1187500000000004	1.5
	-5.900000000000001	-3.3		1.9812500000000002	4.3
	-6.081249999999999	-4.5		3.4437499999999996	6.5
	-3.2499999999999996	0		5.325000000000001	13
	-4.2250000000000005	-2.1		6.1625	4.3
	-3.381250000000001	-4		5.6375	0.4
	-4.775	-3		3.3812499999999996	5.5
	-5.199999999999999	1.4		4.2625	4.8
	-4.156250000000001	-1.2		4.98125	3.8
	-2.9812499999999997	2.7		5.4	9.2
	-3.2812499999999996	4		7.100000000000001	18.9
	-2.29375	3.9		6.7625	18
	-0.9249999999999998	0.4		8.58125	17.4
	0.6812499999999999	5.2		10.012500000000001	20.6
	1.96875	13.4		9.337499999999999	16.9
	-0.11874999999999998	2.9		8.3875	18.5
	-1.56875	-1.6		8.362499999999999	9.1
	-0.3124999999999999	1.8		10.049999999999999	7.2
	1.7750000000000001	-1.6		10.631250000000001	3.1
Mar.	0.8125000000000001	1.9		10.2625	13.2
	1.325	-7.1		10.63125	0.8
	1.11875	-8.7		11.456249999999999	-2.4
	1.0125000000000002	-4		9.94375	7.4
	0.6437499999999998	-0.9		9.8375	13.4
	0.9750000000000001	3.9		10.2125	18.6
	0.99375	4.3		12.06875	16.2
	1.2874999999999999	3.5		9.7375	12.9
	1.5875000000000001	-0.7		10.587499999999999	6.9
	1.65	-2.3		9.024999999999999	7.3
	0.63125	3.2		8.05625	18.2
	0.03124999999999989	9.8		9.625	23.2
	1.0500000000000003	-0.6		9.474999999999998	6.4
	1.1125000000000003	-2.7		11.025	10.1
	2.0437499999999997	2.2		11.5375	12.5
	2.06875	10.1		13.05625	21.8
	3.337500000000001	13.1		12.524999999999999	19.6
	1.1749999999999998	3.5		11.049999999999999	5.7
	2.66875	4.6		12.762500000000001	22.3
	3.2500000000000004	6.7		12.35	14.1
	3.76875	4.5		14.675	13.6
	3.5125	1.9		12.481249999999998	12.6
	3.7874999999999996	2.7		13.4	11.3
	3.43125	-0.5		13.056250000000002	6.8
	4.28125	0.9		13.53125	24.8
	4.7875	13.3		15.881250000000003	25.5
	5.062499999999999	6.8		14.03125	11.9
	4.5375	2		15.225000000000001	17.6
	5.575	11.1		16.0375	27.9
	6.512500000000001	17.1		16.8375	29.7
	4.7	16.4		15.356250000000003	31.3
Apr.	5.95	18.4		15.10625	24.1
	4.73125	13.7		14.9125	23.9
	4.325	11.6		15.28125	32
	4.775	3.8		14.9625	9.3
	4.50625	1.8		15.037499999999998	12.8
	5.3187500000000005	0.3		15.506249999999998	16
	4.881249999999999	7.4		15.412500000000001	28.9
	5.0375	12.8		15.25	28.1
	5.8374999999999995	10.3		15.887500000000001	30.8
	6.7749999999999995	14.6		17.056250000000002	25.5
	5.937499999999999	7.9		15.925	20.4
	5.78125	6.9		16.575000000000003	21.1
	4.58125	11.4		15.76875	19.8
	5.868749999999999	9.9		16.15625	15.2
	7.64375	6.8		17.000000000000004	15.1
	7.7562500000000005	2.1		16.4625	16.2
	8.825000000000003	4.1		17.924999999999997	10.1
	8.86875	-0.1		17.4375	13.6
	9.356250000000001	4.4		18.3875	23.1
	8.881250000000001	8.3		18.6125	29.6
	8.03125	10.5		18.3375	17.3
	8.506250000000001	5.1		18.49375	16.2
	8.968749999999998	1.7		21.368750000000002	17.4
	9.950000000000001	7.6		19.93125	22.1
	9.031250000000002	10		19.275000000000002	26.6
	9.10625	6.2		19.61875	21.2
	9.89375	5.7		20.1	19.5
	10.243749999999999	4.8		19.46875	29
	9.749999999999998	9.4		21.30625	21.2
	10.05625	4		20.856250000000003	24
May	10.5625	11.3		20.293750000000003	25.9
	11.299999999999997	17.4		21.55	31.9
	10.8625	16.8		19.65625	33.8
	10.55625	21		21.63125	28.9
	11.20625	12.8		21.2375	30.1
	12.206250000000002	8.6		21.6	15.6
	13.081250000000002	8.7		21.7875	22.7
	12.5375	11.4		22.787500000000005	26
	12.581249999999999	14.8		23.068750000000005	26.6
	12.21875	14.5		23.731250000000003	26.2
	14.54375	13.2		24.768749999999997	32
	14.06875	15.4		23.975	33.6
	14.268749999999995	14.3		24.237499999999997	34.7
	14.587499999999999	14.7		24.100000000000005	29.5
	15.44375	11.1		25.450000000000003	33.4
	15.14375	14.4		25.187499999999996	31.1
	14.756250000000001	11.9		24.31875	31.5
	13.193750000000001	14.2		24.11875	27.5
	13.562500000000002	11.3		23.981249999999996	28.6
	14.25625	10.9		25.693750000000005	31.9
	15.2625	14.5		25.95625	33.5
	15.275000000000002	20.9		25.83125	26.5
	14.749999999999998	21.6		24.975	33.4
	14.80625	20.4		24.79375	31.6
	14.612499999999999	18.7		24.681249999999995	30.7
	14.887500000000001	21.7		26.15625	33.3
	15.406249999999998	20.7		25.962500000000002	35.8
	16.09375	18.9		26.125	28.9
	16.268749999999997	15.7		26.293750000000003	28.3
	15.293749999999998	16.7		25.243750000000006	32.2
	15.725000000000001	14.4		26.36875	21.5
Jun.	16.7375	11.8		27.331249999999997	26.9
	16.6875	15		27.64375	26.8
	17.337500000000002	12.8		28.75	22.4
	17.84375	15.7		28.05625	24.4
	17.35	13.8		27.550000000000004	27.9
	17.65625	15.9		28.39375	27.8
	18.95625	15.2		29.062500000000004	24
	18.9125	14.5		28.2625	25.1
	18.643749999999997	12.8		27.81875	27.3
	17.787499999999998	14.1		26.906249999999996	25.7
	17.49375	16.6		26.962499999999995	29.7
	18.0125	15.9		26.637499999999996	22.8
	18.025000000000002	16.2		27.581249999999997	28.2
	17.568749999999994	18.5		27.7625	33.2
	18.737499999999997	23.8		27.71875	36.2
	19.281250000000004	24.8		28.53125	37.5
	17.631249999999998	24.6		26.612499999999997	37.8
	17.10625	25		26.225	37.9
	16.875	23.1		27.856250000000006	37.5
	18.63125	21.2		29.218750000000004	29.2
	19.76875	18.9		29.75625	26.1
	19.731250000000003	20.2		29.075	29.7
	18.868749999999995	19.7		28.3625	33.3
	18.21875	18.7		27.406250000000004	35.2
	18.249999999999996	21.6		27.968750000000007	34.6
	17.9875	22.4		28.256250000000005	33.4
	18.825	19.3		27.937499999999996	32.9
	18.956249999999997	19.6		28.400000000000002	34.8
	18.79375	18.7		27.75	36.3
	18.35625	21		28.337499999999995	38.7
Jul.	18.91875	23		27.987499999999997	38.4
	19	22.7		27.762499999999996	35.7
	18.9	22.5		28.33125	35
	19	22.2		29.249999999999996	35
	19.91875	18.7		29.981249999999992	32.2
	20.181250000000002	16.4		29.11875	31.5
	19.46875	21.2		27.918749999999996	33.3
	18.974999999999998	15.7		28.618750000000006	24.5
	19.4	12.9		28.956249999999997	29
	19.3875	15.4		29.043749999999992	28.5
	18.762500000000003	15.9		28.375	27.1
	18.65625	21.8		28.662499999999998	36.3
	19.3125	23.3		28.56875	37.9
	19.04375	17.7		28.09375	29.3
	18.49375	16		27.337500000000002	31.3
	17.65625	15.1		27.2	34.2
	18.1375	18.6		27.212500000000002	31.5
	17.79375	19.4		28.006250000000005	23.9
	17.95625	19.3		28.806249999999995	27.1
	18.3625	16.8		28.474999999999998	31.2
	18.275	18		27.78125	33
	18.24375	20.8		27.80625	31.3
	18.743750000000002	18.9		27.275000000000002	26.9
	18.30625	18.8		26.837500000000002	33
	18.281249999999996	22.2		27.775	33
	17.975	17.7		27.6875	35.1
	18.2	22		27.531249999999996	34
	18.225	22.8		27.599999999999998	30.5
	18.187499999999996	21.2		27.575	26.9
	17.59375	19.4		27.106250000000003	27
	16.681250000000002	20.9		26.081249999999997	27.1
Aug.	16.45625	21.9		27.01875	27.8
	17.21875		21	27.8375		29.1
	18.25625		18.8	26.95625		27.1
	17.724999999999998		17.2	27.231250000000003		28
	18.04375		16.9	27.7875		25.2
	18.2125		15.4	27.5625		24.8
	17.849999999999998		17.3	26.931250000000002		18.6
	16.662499999999998		15.7	26.60625		25.7
	16.3875		18.4	27.443749999999994		27.7
	16.88125		17.4	28.081250000000004		28.3
	17.431249999999995		17.7	27.8375		27.8
	17.837500000000002		17.8	27.637500000000003		27.1
	17.7875		17.8	28.08125		28
	18.150000000000002		17.9	27.893749999999997		27.3
	18.06875		17.3	28.2		27.4
	17.54375		17.2	26.725		26.4
	17.224999999999998		16.6	27.825		27
	17.437500000000004		16.8	27.331249999999994		26.3
	17.64375		17.1	27.068749999999998		27.1
	17.1875		16.6	27.275000000000002		27.7
	16.18125		16	26.143749999999997		26
	15.5375		16	25.656250000000007		26.2
	15.943750000000001		15.8	25.737500000000004		25.2
	15.331249999999997		15.1	25.5		25
	14.5875		14.1	23.924999999999997		23.4
	13.943750000000001		14.3	24.2375		24.7
	14.412500000000001		14.4	26.05625		26
	14.85625		14.9	24.437499999999993		25.1
	14.081250000000002		14.6	24.693749999999998		24.9
	14.224999999999998		14.2	24.50625		24.4
	13.69375		13.6	25.656249999999996		25.7
Sep.	14.40625		14.3	24.875000000000004		25.4
	14.331249999999999			25.18124999999999
	14.749999999999998			26.0625
	15.03125			25.43125
	14.656250000000002			24.6125
	14.96875			26.362500000000004
	15.356250000000001			24.356249999999996
	13.6625			23.581249999999997
	13.525000000000002			23.631250000000005
	12.993749999999999			23.375000000000004
	13.687499999999998			23.062500000000004
	13.093749999999996			23.612500000000008
	12.66875			22.60625
	12.3875			22.5625
	11.737499999999999			21.4
	11.981249999999998			21.7875
	12.406249999999998			22.062500000000004
	12.743749999999999			21.387500000000003
	11.49375			21.287499999999998
	11.412499999999998			20.65
	11.25			21.8
	11.25			20.856250000000003
	10.318750000000001			20.256249999999998
	9.487499999999999			20.668750000000003
	9.975			21.5125
	10.125000000000002			21.381249999999994
	9.79375			20.500000000000004
	9.831249999999999			19.61875
	9.38125			17.53125
	8.68125			17.2125
Oct.	7.95			16.5125
	6.793749999999999			14.96875
	6.581250000000001			15.16875
	6.75			17.1875
	7.1625			16.056250000000002
	6.881249999999999			17.3125
	6.875000000000001			16.437499999999996
	6.425000000000001			16.424999999999997
	6.99375			16.812499999999996
	8.131250000000001			16.775
	7.068749999999999			15.443750000000001
	6.700000000000001			15.106250000000001
	5.375			13.568749999999998
	4.25			11.549999999999997
	3.8000000000000003			11.899999999999997
	5.518749999999999			13.462499999999999
	4.21875			10.749999999999998
	2.5875			11.881250000000001
	4.1625000000000005			13.100000000000001
	3.70625			13.287499999999998
	6.2625			13.806249999999999
	5.4125			13.525
	5.3500000000000005			14.237499999999999
	3.8750000000000004			11.3625
	3.625			11.837499999999999
	3.118750000000001			13.156249999999998
	3.224999999999999			11.53125
	1.9499999999999997			12.05625
	0.6124999999999998			7.731249999999998
	-0.425			7.324999999999999
	-0.2937500000000002			7.6375
Nov.	0.6062499999999998			8.725
	1.1624999999999999			8.793750000000001
	1.1437499999999998			8.825
	0.22499999999999998			6.9750000000000005
	-0.7			7.674999999999999
	0.64375			7.956250000000001
	0.4500000000000002			8.03125
	-1.06875			6.55625
	0.06875000000000003			6.999999999999999
	0.03749999999999998			7.168750000000001
	-0.5375			6.393749999999999
	-1.0562499999999997			6.0125
	-2.6187499999999995			4.512499999999999
	-2.8375000000000004			3.75625
	-1.5999999999999996			5.83125
	-1.4312500000000001			6.3125
	-1.7749999999999997			4.38125
	-1.5250000000000001			5.325
	-1.55625			5.0062500000000005
	-0.8937499999999998			5.925000000000001
	-2.1375			4.33125
	-4.33125			1.9937500000000004
	-4.48125			1.0937500000000002
	-2.9000000000000004			3.0875
	-3.5000000000000004			3.2062500000000003
	-3.4			2.7312499999999997
	-3.675			3.225
	-4.125			2.7875
	-3.68125			3.075
	-3.925			3.8499999999999996
Dec.	-3.556250000000001			3.6125000000000003
	-3.175			2.9812499999999993
	-3.5937500000000004			2.1000000000000005
	-5.2125			0.4750000000000001
	-5.3875			1.8312499999999998
	-3.9625			2.7625000000000006
	-1.9749999999999999			3.7125000000000004
	-3.60625			2.7624999999999997
	-4.168749999999999			2.4875000000000003
	-3.775			2.9125000000000005
	-2.974999999999999			2.5687500000000005
	-3.5187500000000003			2.79375
	-3.1875			4.16875
	-3.7874999999999996			3.3562499999999997
	-3.1000000000000005			3.625
	-4.843749999999998			1.4625000000000001
	-5.259999999999999			0.6799999999999999

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

39°C

Highest Temp

14 Jul. 26

-20°C

Lowest Temp

23 Jan. 26

Seasonal Breakdown

Hottest MonthJuly33.16°C

Coldest MonthJanuary-8.73°C

Wettest MonthAugust10.31mm

Windiest MonthApril27.49km/h

Joliet Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Joliet historically?

July is historically Joliet's hottest month, with average maximum temperatures around 29°C. During peak heatwave events, the highest recorded temperatures have reached 39°C on 2026-07-14.

2. What is the coldest month in Joliet historically?

January is Joliet's coldest month, with average minimum temperatures around -8°C. The all-time record low of -32°C was recorded on 2019-01-31.

3. What is the average annual rainfall in Joliet over the past 17 years?

Joliet's average annual rainfall is approximately 1205.2mm, based on records spanning 17 years.

4. How many rainy days does Joliet experience on average per year?

Joliet historically records approximately 175.1 rainy days per year. June has the highest number of rain days at an average of 17.3 days.

5. What is the all-time highest temperature ever recorded in Joliet?

The all-time highest temperature recorded in Joliet is 39°C on 2026-07-14.

6. What is the all-time lowest temperature ever recorded in Joliet?

The all-time lowest temperature recorded in Joliet is -32°C on 2019-01-31.

7. What is the windiest time of year in Joliet historically?

Joliet experiences its strongest winds during April. The historic gust record of 52.2 kph was recorded on 2016-04-02.

8. What is the highest and lowest humidity in Joliet during a year?

Usually, Joliet's humidity peaks in January at around 81.3% and drops to its lowest in October at approximately 69.5%.

Recent Blogs On Weather

See all blogs

Joliet Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Joliet Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Joliet Historic Weather RecordsAnalyse hottest, coldest, windiest & wettest days

Joliet Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

Recent Blogs On Weather

World Top 10 Hottest Cities Are All in India Again - May 2026

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

World Top Hottest Cities Belong to India - April 2026

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Joliet Historic Weather Records
Analyse hottest, coldest, windiest & wettest days