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

Rockford Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-9.431249999999999	-11.6		-2.2124999999999995	-5.8
	-9.95	-7.1		-3.3124999999999996	-2.7
	-9.743750000000002	-7.2		-2.4250000000000007	-1.5
	-9.35625	-8.8		-2.31875	-1.6
	-10.45625	-3		-2.5124999999999997	-0.3
	-10.475	-0.5		-4.2875	2.1
	-10.187499999999998	-0.7		-2.9812499999999997	1.7
	-9.987500000000002	0.4		-2.1999999999999997	5.9
	-9.893749999999999	2.3		-0.8812500000000001	11.4
	-8.462499999999999	-3.1		-0.29374999999999996	0.6
	-7.456250000000001	-6		1.23125	1
	-8.0375	-2.8		-1.34375	4.2
	-10.44375	-1		-3.18125	4.5
	-10.018749999999999	-6.5		-3.118750000000001	1.1
Jan.	-9.975	-10		-2.8	-4.8
	-9.387500000000001	-5.1		-1.85	1.5
	-9.006250000000001	-11		-2.075	-4.9
	-9.643749999999999	-15.3		-1.5749999999999997	-7.3
	-11.3	-17.8		-2.7375	-8.7
	-11.85625	-19.2		-4.625	-5.9
	-12.537499999999998	-6.6		-4.8687499999999995	-3.9
	-9.71875	-13		-1.93125	-7
	-9.118749999999999	-23.1		-2.58125	-15.5
	-8.53125	-21		-1.19375	-14.5
	-7.9875	-14.9		-1.3437499999999998	-9.2
	-10.1	-18.6		-2.7374999999999994	-10.8
	-9.4375	-14		-2.1750000000000003	-9.7
	-9.1	-16.6		-2.46875	-7.2
	-10.01875	-16.1		-2.2687500000000007	-9.4
	-9.9625	-16.1		-1.7812500000000002	-9.2
	-9.081249999999999	-14.5		-1.7124999999999997	-3.4
	-8.943749999999998	-14.7		-1.0562500000000001	-5
	-9.049999999999999	-7.7		-1.59375	-3.4
	-10.131250000000001	-8.6		-2.306250000000001	-2.8
	-9.924999999999999	-12.8		-0.9749999999999998	-3.7
	-9.681249999999999	-9.3		-2.5749999999999997	-0.3
	-9.075	-4.9		-0.19999999999999973	3
	-8.424999999999999	-11.3		-0.9062500000000002	-4.2
	-9.812499999999998	-5.4		-2.4812500000000006	-3
	-10.087499999999999	-3.3		-3.4187499999999997	3.1
	-10.756250000000001	-0.5		-2.89375	2.6
	-10.924999999999999	-1.5		-2.2125	5.5
	-10.412500000000001	-3.8		-2.5125	3.3
	-11.487500000000002	-2.5		-2.3625	11.5
	-9.987499999999999	-2.1		-1.2437500000000001	5.6
Feb.	-9.062500000000002	-0.6		-1.1875	7.5
	-8.71875	0.7		-0.58125	3.8
	-9.125	3.2		-0.6812500000000001	6.3
	-8.537499999999998	5.9		1.09375	16.6
	-8.0125	1.2		0.8624999999999997	7.5
	-6.862500000000001	0		3.0625000000000004	7
	-5.09375	-3.6		2.1875	2.4
	-4.8875	-7.5		2.6562500000000004	-3.8
	-5.581250000000001	-9.6		2.13125	-0.3
	-6.9375	-5		1.5062499999999996	1.4
	-7.525000000000001	-5.4		0.10625000000000007	1.9
	-7.625	-6.7		2.0625	4.3
	-5.168750000000001	-0.9		3.96875	11.6
	-5.725	-4.4		4.2562500000000005	1.8
	-4.91875	-4.8		3.96875	0.4
	-6.31875	-4		2.08125	6.4
	-6.918750000000002	0.5		2.69375	3.6
	-5.1125	-2.4		3.70625	2
	-4.656250000000001	1.6		4.03125	7.7
	-4.631250000000001	3.1		5.2124999999999995	15.6
	-3.8750000000000004	2.7		5.85	17
	-1.75625	-0.4		7.48125	16
	-0.3625	5.7		7.549999999999999	20.8
	0.38125000000000003	4.8		7.368749999999999	11.7
	-1.3874999999999997	1		7.218750000000003	4.7
	-2.475	-2.3		7.8	6.2
	-1.3249999999999997	0		9.41875	4.8
	0.25625	-2		9.74375	0.5
Mar.	-0.46875	0.3		8.96875	11.1
	-0.03750000000000005	-8.4		9.25	-2.6
	-0.006249999999999978	-11.1		9.925	-2.8
	-0.33124999999999993	-5.1		8.86875	6.8
	-0.6187499999999999	-0.8		8.5875	7.7
	0.13750000000000004	3.3		9.74375	10
	0.2874999999999999	3.3		10.4	7.3
	0.21249999999999977	2.9		8.3625	12.6
	0.08125000000000014	-1.2		8.531249999999998	7.3
	0.23749999999999993	-2.4		7.543750000000001	7.5
	-0.53125	1.7		6.374999999999999	18.6
	-0.9937499999999999	9.2		8.424999999999999	16.2
	-0.25625000000000003	-1.6		8.36875	4.4
	0.29375	-3.9		10.237499999999999	9.4
	1.2375	1.6		10.6625	11.9
	0.7874999999999999	6.5		11.96875	23
	2.3249999999999997	9.3		11.643749999999999	18.7
	0.14375000000000038	1.6		10.11875	6
	1.98125	2.4		11.63125	21.9
	2.1499999999999995	4.6		11.268750000000002	10.7
	2.6625	2.5		13.24375	9.9
	2.4375	0.8		11.86875	13.5
	2.38125	1.3		12.86875	9.5
	2.4624999999999995	-1.1		11.831250000000002	6.9
	3.1125000000000003	0.3		12.44375	24.5
	3.9374999999999996	8.4		14.64375	22.6
	4.05	5.1		12.887500000000003	11
	3.9312500000000004	1		13.749999999999998	14.7
	4.70625	9.9		15.437500000000002	27.1
	5.30625	15.6		14.837499999999999	26.7
	3.58125	15.7		13.20625	31.1
Apr.	4.7	16.2		14.01875	23.8
	3.4687500000000004	13.5		13.706249999999997	23
	3.4625	11.9		13.64375	30.4
	3.69375	2.4		14.106249999999998	7.5
	3.3562499999999997	0.4		13.568750000000001	9.3
	4.15	-0.7		13.706249999999999	14.3
	3.8562499999999997	7.2		14.287500000000001	28.7
	3.75	13.1		14.556250000000002	26.8
	5.0375000000000005	10.6		15.393750000000002	30.3
	5.99375	12.6		16.46875	23.2
	5.04375	7.4		14.74375	22.1
	4.6875	5.2		16.21875	21.3
	4.112500000000001	10.9		14.4625	20.1
	5.0375	9.5		14.943750000000001	21.1
	6.93125	5.9		16.03125	14.4
	6.9875	1.6		15.01875	13.1
	7.599999999999999	2.9		16.6625	11
	8.056249999999999	-0.5		16.40625	15.1
	8.043750000000001	5.4		17.25	24.9
	8.131250000000001	6.7		18.868750000000002	29
	7.468750000000001	8.5		17.78125	18.7
	7.624999999999999	1.8		18.018749999999997	14.2
	8.40625	-0.2		20.58125	17
	9.031249999999998	2.5		19.2625	21.2
	7.925	10.7		18.724999999999998	24.4
	8.693749999999998	3.9		18.737499999999997	20.8
	8.85625	4.1		18.21875	20
	9.256250000000001	5.2		19.05	26.8
	9.3375	9.5		20.65625	19.2
	9.725	3.6		20.45	24.3
May	9.799999999999999	12.4		19.725	28.6
	10.40625	16.4		21.875	32.3
	9.80625	18.4		19.893750000000004	32.3
	9.4875	21.2		20.54375	29.8
	10.393749999999999	9.8		20.631249999999998	21.3
	11.35625	5.8		20.531249999999996	15.9
	11.668750000000003	6.3		20.356249999999996	21.3
	11.687499999999998	9.2		22.0375	24
	11.675000000000002	12.4		22.45	28.3
	11.774999999999999	14.4		22.706249999999997	29.8
	13.56875	12.8		23.643750000000004	32.6
	12.95	14.3		23.625000000000004	34.3
	13.16875	14		23.543749999999996	34.3
	13.818749999999998	14.7		23.30625	30.6
	14.118749999999999	10.1		24.237500000000004	33.2
	13.981250000000003	14.1		24.562499999999993	29.1
	13.725	12.2		23.63125	31.4
	12.53125	14.6		23.25	27.4
	12.656250000000002	11.2		23.4375	28.9
	13.675	9.6		24.99375	32
	14.862500000000002	13.9		25.10625	33.6
	14.65	20.4		25.43125	27.9
	14.33125	18.2		24.825000000000003	35
	14.424999999999999	19.5		24.662500000000005	33.4
	13.575000000000001	18.7		23.775	28.7
	13.7	21.4		25.300000000000004	31.8
	14.53125	20.5		25.025000000000002	32.6
	15.225000000000001	17.1		25.25625	28.9
	15.556249999999997	13.6		25.287500000000005	28.1
	14.512500000000003	16.5		24.75	32.2
	14.806249999999999	13.7		25.768749999999997	23.1
Jun.	15.593749999999998	10.9		26.606250000000003	27.9
	15.768749999999999	14.7		26.956249999999997	24.6
	17	13.1		27.75	19.4
	17.01875	14.7		27.14375	23.2
	16.175	12.4		26.875	27.4
	16.793750000000003	14.2		27.618750000000002	26.3
	18.0375	14.1		27.962500000000002	22
	17.531250000000004	12.4		27.193749999999994	24.6
	17.6375	11.6		27	28.8
	17	15.5		25.9875	27.1
	16.70625	14.8		25.974999999999998	27.8
	17.250000000000004	14.8		26.018749999999997	24.4
	16.9625	14.3		26.5875	28.8
	16.55625	16.5		26.64375	31.5
	18.06875	23.4		26.9125	35.7
	18.6125	24.7		28.037499999999998	37.1
	16.71875	23.8		26.393749999999994	37.4
	16.0125	24.4		26.05625	37.7
	16.4	21		27.4125	33.4
	17.987499999999997	19.7		29	32.2
	19.318749999999998	17.9		28.61875	29.3
	19.024999999999995	18.2		27.96875	31.9
	18.1375	17		27.631249999999998	33.9
	17.318749999999998	19.1		26.5375	34.8
	17.3875	21.6		27.312499999999996	32.8
	17.30625	20.8		27.51875	31.4
	18.4125	16.4		26.93125	32.3
	17.9625	16		27.525000000000002	35.1
	17.9375	18.6		27.212500000000002	37.6
	17.4	19		27.5375	40.4
Jul.	18.262500000000003	20.6		27.28125	39.2
	18.075	20.8		26.88125	38.8
	17.95625	20.5		27.818749999999998	38
	18.181250000000002	23.3		28.499999999999996	35
	19.037499999999998	17.5		28.993749999999995	32.5
	19.150000000000002	15.5		28.15	30.7
	18.375	20.8		27.4625	32.3
	18.131249999999998	13.4		28.068749999999994	26
	18.775	11.6		28.368750000000002	29.1
	18.193749999999998	14.2		27.912500000000005	29.7
	17.824999999999996	15.2		27.593749999999996	30.6
	17.831250000000004	21.6		28.0875	37.2
	18.44375	23.9		28.031249999999996	39.6
	18.28125	21.3		27.5625	30.5
	17.674999999999997	14.7		27.068749999999998	32.9
	17.09375	13.8		26.293750000000003	34.4
	16.999999999999996	17.5		26.86875	28.5
	16.787499999999998	18.8		27.381249999999998	22.5
	16.7875	17		27.874999999999996	28.8
	17.45625	13.4		28.112500000000004	31.1
	17.125	15.8		27.54375	31
	16.93125	20.9		27.418750000000003	27.9
	17.3	16.6		27.093750000000004	29.9
	17.33125	19.6		26.4125	33.3
	17.393749999999997	17.9		27.099999999999994	32.7
	17.268749999999997	15.1		27.15	33.2
	17.09375	20.6		26.7125	35.3
	17.337500000000002	22.2		26.84375	31.5
	16.799999999999997	21.1		26.49375	33
	16.36875	19.3		26.256249999999998	28.5
	16.062500000000004	18.6		25.5875	30.4
Aug.	15.55625	19.7		26.39375	27
	16.5375		19.1	27.24375		27.8
	17.13125		15.7	26.2125		26.8
	16.58125		16.2	26.437499999999996		26.8
	16.89375		15.3	26.875000000000004		24.7
	17.200000000000003		14.9	26.8		24.6
	16.8625		15.2	26.4125		20
	15.162500000000001		13.9	26.2125		26.8
	15.49375		18.2	26.649999999999995		26.8
	16.1625		16.8	26.975		27.4
	17.218749999999996		17.2	27.293749999999996		27.1
	16.7625		16.7	27.043749999999996		26.5
	17.25625		17.2	27.48125		27.2
	17.38125		17	27.49375		27
	16.987500000000004		16.3	27.737499999999997		26.7
	16.10625		15.8	26.200000000000003		25.7
	15.393749999999999		14.6	26.812499999999993		26.2
	16.24375		15.4	26.8		25.7
	15.95		15.6	26.081250000000004		26.3
	15.906250000000004		15.4	26.075		26.3
	15.35		15.1	25.48125		25.3
	14.443750000000001		14.9	24.90625		25.3
	14.3375		14.1	25.087500000000002		24.5
	13.9625		13.5	24.787499999999998		24.1
	13.45		12.9	22.96875		22.6
	12.725		13.1	24.05		24.3
	13.612499999999997		13.3	25.037500000000005		24.8
	13.29375		13.7	23.21875		24
	13.049999999999999		13.7	23.8625		24.2
	13.325		13	24.181250000000002		23.7
	12.1875		11.9	24.41875		25
Sep.	13.25		13.5	24.15625		24.7
	13.193749999999998			24.912499999999998
	13.5375			24.974999999999998
	13.950000000000003			24.312499999999996
	13.543750000000001			23.825000000000003
	14.0125			25.18125
	14.112499999999999			23.4125
	12.306249999999999			22.43125
	12.23125			22.549999999999997
	12.037500000000001			22.3875
	12.5625			22.25
	11.68125			22.825
	11.656249999999998			22.13125
	10.799999999999997			21.25
	10.249999999999998			21.093749999999996
	10.44375			21.431250000000002
	11.2875			21.6125
	11.062499999999998			20.693749999999998
	10.700000000000001			20.9125
	10.018749999999999			20.36875
	9.94375			20.6125
	9.937499999999998			19.2125
	9.293750000000001			19.04375
	8.41875			19.975
	8.575000000000003			20.51875
	9.137500000000001			19.9375
	8.39375			19.662500000000005
	8.875			18.756249999999998
	8.274999999999999			15.512500000000001
	6.89375			15.793750000000003
Oct.	6.5249999999999995			15.556249999999999
	5.812499999999999			14.337499999999999
	5.575			14.78125
	5.94375			16.5125
	6.175000000000001			15.468749999999998
	5.9437500000000005			16.393749999999997
	5.9			15.275000000000002
	5.19375			15.3875
	6.09375			15.987500000000002
	6.818749999999999			15.53125
	5.78125			14.425
	5.162500000000001			14.143750000000002
	4.1			12.41875
	3.05			10.137500000000001
	2.2937499999999997			10.818750000000001
	4.562500000000001			12.081249999999999
	3.15			9.73125
	1.3			11.25
	2.9375			12.175
	2.5375			12.231250000000001
	4.9624999999999995			12.6875
	4.237500000000001			12.35625
	4.26875			13.11875
	2.5875			9.91875
	2.3187499999999996			10.112499999999999
	2.06875			11.3
	2.0375			10.3625
	0.7999999999999998			10.48125
	-0.85625			6.05
	-1.74375			6.325
	-1.3374999999999997			6.9125
Nov.	-0.2874999999999999			8.112499999999999
	0.2499999999999999			7.8812500000000005
	-0.11250000000000007			7.543749999999999
	-1.0625			5.81875
	-1.6437499999999998			6.60625
	-0.51875			6.7
	-1.3999999999999995			6.8625
	-2.3562499999999997			5.74375
	-1.18125			6.20625
	-0.8687500000000004			6.19375
	-1.64375			5
	-2.4625000000000004			4.762500000000001
	-4.24375			3.1062499999999997
	-4.31875			2.6562500000000004
	-2.9375000000000004			4.51875
	-2.65625			4.699999999999999
	-2.825			2.83125
	-2.6000000000000005			4.16875
	-2.88125			4.10625
	-2.25625			4.675
	-3.2062500000000007			3.1624999999999996
	-5.8999999999999995			0.5625
	-6.356249999999999			-0.018749999999999906
	-3.9625000000000004			2.25625
	-4.874999999999998			1.90625
	-4.725			1.3625000000000003
	-4.7875			1.5625000000000002
	-5.625			1.2750000000000001
	-5.043749999999999			1.9187499999999997
	-5.3625			2.406250000000001
Dec.	-5.312499999999999			2.38125
	-4.48125			1.6312500000000003
	-4.7749999999999995			0.73125
	-6.5874999999999995			-0.8
	-6.749999999999999			0.2624999999999999
	-5.237500000000001			0.9312500000000004
	-3.50625			2.0375
	-4.83125			1.21875
	-5.6375			1.2125000000000001
	-4.937500000000001			1.46875
	-4.368750000000001			1.2062499999999998
	-5.25625			0.9562499999999999
	-4.9875			2.1
	-4.806250000000001			1.16875
	-4.968750000000002			2.24375
	-7.1625000000000005			-0.5125
	-7.513333333333333			-0.7733333333333333

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

40°C

Highest Temp

14 Jul. 26

-23°C

Lowest Temp

23 Jan. 26

Seasonal Breakdown

Hottest MonthJuly33.72°C

Coldest MonthJanuary-9.95°C

Wettest MonthMarch6.22mm

Windiest MonthApril28.67km/h

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

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Frequently Asked Questions

1. What is the hottest month in Rockford historically?

July is historically Rockford's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 40°C on 2026-07-14.

2. What is the coldest month in Rockford historically?

January is Rockford's coldest month, with average minimum temperatures around -10°C. The all-time record low of -33°C was recorded on 2019-01-31.

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

Rockford's average annual rainfall is approximately 1072.4mm, based on records spanning 17 years.

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

Rockford historically records approximately 171.3 rainy days per year. June has the highest number of rain days at an average of 17.9 days.

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

The all-time highest temperature recorded in Rockford is 40°C on 2026-07-14.

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

The all-time lowest temperature recorded in Rockford is -33°C on 2019-01-31.

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

Rockford experiences its strongest winds during April. The historic gust record of 51.8 kph was recorded on 2021-12-15.

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

Usually, Rockford's humidity peaks in January at around 84.4% and drops to its lowest in October at approximately 71.2%.

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