Saint Charles Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Saint Charles Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-3.75625	-2.2		3.7625	0.5
	-3.78125	-0.6		2.2687500000000003	2.9
	-4.70625	-1.2		3.35	3.6
	-4.7375	-0.4		2.0312500000000004	4.1
	-5.325	1.2		2.675	11
	-5.61875	3.9		0.9687500000000002	11.4
	-5.800000000000001	3.4		2.24375	9.3
	-5.1000000000000005	5		1.8625	16
	-5.062499999999999	5.7		3.2187499999999996	17.1
	-2.7062500000000003	3.1		5.10625	8.8
	-2.48125	-2.2		6.725	5.8
	-4.831250000000001	0.3		4.1499999999999995	11.1
	-6.324999999999999	5.1		1.3687500000000001	14.5
	-5.000000000000001	-1		2.3000000000000003	7.4
Jan.	-5.28125	-5.6		1.99375	1.8
	-3.968750000000001	0.3		3.2125	5.2
	-3.7062500000000003	-7.6		4.1187499999999995	0.8
	-4.00625	-11.3		4.84375	-0.5
	-5.225	-10.5		3.24375	-3.4
	-5.56875	-10.5		1.3374999999999995	4.9
	-5.6875	-2		2.0187500000000003	6.1
	-4.4312499999999995	-4		3.4812499999999997	-0.2
	-3.99375	-12.8		2.8375	0.6
	-3.9125	-13.4		4.5375000000000005	-11.1
	-2.7875000000000005	-12		4.175	-7.5
	-3.0500000000000003	-19.5		3.7562500000000005	-7.2
	-3.6000000000000005	-10.4		4.1375	0.6
	-2.8875	-14		4.9625	0
	-3.0625	-6.5		4.99375	-3.4
	-2.925	-11.9		4.45625	-5.6
	-2.2750000000000004	-13.9		6.2875	-4.8
	-2.0437499999999997	-15.1		5.675000000000001	-1.8
	-2.8999999999999995	-5.4		5.9437500000000005	1.2
	-3.1000000000000005	-3.7		5.88125	-0.1
	-3.825	-8		5.48125	-1.4
	-4.5062500000000005	-9.9		3.7	2.7
	-3.63125	0.2		4.90625	2.9
	-3.5875000000000004	-4.3		5.125	1.8
	-3.556250000000001	-2.2		3.6875000000000004	2.3
	-4.3687499999999995	-1		3.08125	3.9
	-5.36875	1.7		2.6750000000000003	5.8
	-4.637499999999999	-1.5		3.1249999999999996	8.1
	-5.374999999999999	1.3		2.61875	5.6
	-5.325	1.5		3.86875	14
	-4.08125	2.9		5.093750000000001	6.9
Feb.	-3.025	6.6		5.13125	9
	-2.9999999999999996	5.3		4.73125	12.7
	-3.8062499999999995	4		5.53125	11.6
	-3.53125	10.4		6.1625	20.9
	-2.7874999999999996	8.7		5.9	21.6
	-1.76875	1.8		10.081249999999999	10.1
	-0.16249999999999998	-1.4		8.474999999999998	7.1
	-0.39375000000000016	-6.1		9.7125	2.2
	-0.5125	-7.3		8.6375	1.8
	-1.5687499999999999	-4.3		6.8687499999999995	6.6
	-2.01875	-1.6		6.25	7.1
	-2.05	1.6		8.306250000000002	10.8
	-0.5062500000000002	1.6		10.16875	18.2
	0.24375000000000016	2.6		10.83125	14.5
	0.12500000000000006	-0.9		9.9625	9
	-1.3875	1		8.80625	3.6
	-1.2375	2.3		8.587499999999999	8.3
	0.3062499999999999	6		10.65625	15.2
	0.9500000000000001	7.8		9.549999999999999	13.6
	0.35624999999999996	12.4		10.975	24.3
	1.3375000000000001	9.2		12.174999999999999	19.1
	2.95625	0.2		12.112500000000002	18.7
	4.09375	6.2		14.225000000000001	19.7
	4.8500000000000005	15.5		12.681249999999999	25.2
	2.225	5.3		12.150000000000002	19.9
	2.1	-0.8		11.993749999999999	12.5
	4.25	4.9		12.775	14.2
	5.24375	1.4		13.65625	15.5
Mar.	5.16875	5.3		15.69375	14.2
	4.6312500000000005	-5.9		14.499999999999998	0.3
	4.61875	-7.3		14.3	3.5
	4.0125	0.9		12.775000000000002	16.8
	3.36875	5		12.524999999999999	24.7
	3.5875	10.8		14.987499999999997	26.9
	5.343749999999999	8.7		14.787500000000001	22.2
	5.106249999999999	8.8		13.837499999999999	27.5
	5.074999999999999	2.2		14.81875	11
	5.218749999999999	2.7		12.5875	16.7
	4.2125	7.3		12.81875	22.5
	3.76875	15.8		12.63125	31.3
	4.125	7.3		13.743750000000002	15.7
	5.093749999999999	-1.3		13.975	13.9
	6.3500000000000005	4.1		16.15	16.6
	6.193750000000001	11.1		17.25	25.8
	7.00625	15.8		15.51875	25.8
	4.799999999999999	9.9		15.18125	12.6
	6.268750000000001	12		17.16875	24.5
	7.48125	16		18.762500000000006	29.6
	7.262499999999999	5.8		17.674999999999997	17.5
	6.406249999999999	3.8		16.36875	18.6
	6.73125	3.9		15.950000000000001	20.4
	7.0375	5.2		17.23125	15.6
	7.924999999999999	5.4		17.7	28.2
	8.343750000000002	13.2		20.406250000000004	30.7
	8.799999999999999	11.9		19.35625	20.3
	7.9	9.2		18.425	26.8
	8.3125	13.7		18.8625	30.7
	8.9125	19.3		20.131249999999998	31.6
	8.212499999999999	20		18.46875	33.7
Apr.	7.962499999999999	16.9		18.28125	28.9
	8.081249999999999	14.9		17.162499999999998	29.5
	8.85	16.4		19.437499999999996	33.4
	8.85625	6.9		19.568749999999998	16.9
	8.05	3.6		19.312499999999996	20.7
	7.918749999999999	6		18.15625	23.8
	7.825	8.8		18.19375	30.1
	8.625	14.8		18.20625	27.6
	8.999999999999998	13.1		18.83125	29.6
	9.65	15.8		18.65	23.3
	9.475000000000001	11		19.6375	28.2
	9.762499999999998	11.4		19.556249999999995	30.2
	9.993749999999999	16.4		19.393749999999997	24.1
	10.375	12.2		19.66875	16.5
	11.54375	10		21.95625	17.9
	12.199999999999998	4.3		20.90625	21.5
	11.56875	6.7		20.83125	17.5
	11.174999999999999	7.4		20.881249999999998	18.6
	12.1625	4.8		20.46875	27.8
	10.981250000000003	15		19.968750000000004	29.5
	11.4375	9.1		21.862500000000004	14.2
	12.018750000000002	7.7		22.06875	17
	13.049999999999999	4.2		24.53125	21.6
	13.86875	8.5		23.91875	27.7
	13.281249999999998	10.5		22.96875	28
	13.23125	11.8		23.043749999999996	24.8
	13.575000000000003	6.3		22.443749999999998	27.3
	13.825	10.5		22.750000000000004	31.2
	12.750000000000002	15.1		23.04375	26.6
	13.137499999999998	8.1		22.84375	27.3
May	13.587500000000002	14.8		22.168750000000003	32.7
	13.63125	18.8		23.38125	32.6
	14.499999999999998	17.9		22.93125	32.8
	14.393749999999999	18.4		23.431249999999995	31.5
	13.781250000000002	16.1		24.068749999999998	27.3
	14.937499999999998	12.4		24.387499999999996	16.8
	15.449999999999998	10.9		24.35625	23.8
	14.337499999999999	16		24.61875	22.5
	15.193750000000003	17.3		25.45625	26.8
	16.16875	18		26.481250000000003	29.8
	17.225	13.8		26.675	31.5
	16.83125	16.4		25.725	30.8
	17.868750000000002	17.7		27.043750000000003	33.3
	17.525000000000002	17.5		26.662499999999998	34.5
	17.975	18.5		26.8875	32.3
	17.36875	20.6		26.9875	31.6
	17.499999999999996	18.1		26.756250000000005	33.1
	16.81875	19.8		26.0375	29.9
	17.63125	17.3		26.181250000000002	30.5
	17.2625	13.2		28.181249999999995	30.8
	18.224999999999998	14.8		28.6	33.5
	18.99375	20		28.881249999999998	32.1
	18.26875	21.7		27.525	32.2
	18.356250000000003	22.6		27.28125	34.3
	17.5625	21		27.43125	27.6
	18.181250000000002	24		28.393749999999997	35.7
	18.58125	24.6		28.96875	36.2
	18.68125	22.1		28.631249999999998	36.7
	19.287499999999998	18.7		28.668750000000003	31.7
	19.13125	18.4		28.50625	29.5
	19.443749999999998	17.6		29.831250000000008	27.9
Jun.	20.03125	13.1		29.975	28.7
	20.28125	14.2		30.218750000000004	29.1
	21.075	14.9		30.6	35.3
	21.287499999999998	19.5		30.106250000000006	29.2
	20.55625	14.9		30.568750000000005	32.1
	20.66875	18.9		31.6125	30.9
	21.3375	19.5		31.262500000000006	28.2
	21.443749999999998	16.7		30.506250000000005	23.6
	20.993750000000002	14.3		30.206250000000004	30.8
	20.55625	15.9		29.718749999999996	30.7
	20.5	19.9		31.4625	32
	21.2125	20.3		30.725	26.7
	20.512500000000003	22		30.374999999999996	29.3
	20.78125	22.8		30.5125	34.3
	21.043750000000003	24.5		30.893749999999997	37.5
	21.25625	24.1		31.093750000000004	38.7
	20.75625	23.9		29.875	37.9
	19.68125	23.5		28.450000000000003	38.5
	19.51875	24.4		30.068749999999998	38.7
	20.912500000000005	24.7		30.849999999999998	36.4
	21.66875	19.5		31.6625	34.1
	21.862499999999997	20.3		31.425	32.2
	21.45625	21.6		30.581249999999997	35
	21.425	21.5		30.656250000000007	34.7
	21.4	22.2		30.362499999999997	35.6
	21.237500000000004	21.9		30.793750000000003	35.3
	21.156249999999996	20.7		31.487499999999997	28
	22.037499999999998	20.5		31.918750000000003	34.4
	21.96875	19.7		31.512500000000003	35
	21.743750000000002	20.4		31.53125	36.2
Jul.	21.85	20.7		30.5875	34.7
	21.90625	21.9		31.775000000000002	33.3
	21.8125	22.3		30.881249999999994	36.2
	21.93125	23.1		31.337500000000006	36.9
	22.275	24.2		32.612500000000004	33
	23.156250000000004	22.1		33.01875	37
	22.268749999999997	24.3		31.256250000000005	37
	21.8625	18.7		31.681250000000002	30.2
	22.3625	17.6		32.4125	29.9
	22.006249999999998	16.6		31.981250000000003	29.7
	21.9625	20.8		31.718749999999996	35.9
	22.61875	23.7		32.125	40.6
	22.312499999999996	26.4		31.55624999999999	40.3
	21.875	24.9		31.475	38.2
	21.28125	20.9		30.5125	34.8
	20.518750000000004	19.1		29.64375	34.8
	20.268749999999997	21.3		28.981250000000003	27.9
	20.424999999999997	19.3		31.0625	24.6
	20.56875	19.3		30.593749999999996	31.1
	21.318749999999998	17.9		31.14375	32
	20.674999999999997	18.9		30.050000000000004	34.5
	21.01875	19.9		30.668750000000003	36
	21.19375	20.9		30.512500000000003	27.4
	20.943749999999998	19.7		30.375	34.4
	20.96875	21.3		30.724999999999998	34.9
	21.143749999999997	21.9		30.49375	36.4
	20.875000000000004	24		30.512500000000003	37.1
	20.900000000000002	24.3		30.69375	37.8
	20.768749999999997	23.7		30.6	36.7
	20.3375	22.4		29.893749999999997	39.4
	19.98125	26		28.6	37.7
Aug.	19.249999999999996	26.1		28.58125	38.9
	19.80625	23.8		28.993749999999995	31.7
	20.343750000000004	21.6		29.7125	30.6
	20.049999999999997	17.9		30.1375	34.3
	20.049999999999997		19.8	30.068749999999998		26
	20.6625		19.6	29.88125		28.5
	20.025000000000002		16.3	29.506249999999998		29.7
	19.943749999999998		19.1	29.187499999999996		30.6
	19.312499999999996		17.9	30.16875		27.4
	19.506249999999998		17.6	30.3625		28.7
	20.38125		20.2	31.19375		31.6
	20.225		19.4	30.856250000000006		30.7
	20.500000000000004		19.9	30.90625		30.8
	20.681250000000002		19.6	30.868750000000002		30.3
	20.943749999999998		19.8	30.98125		30.4
	20.5125		19.3	29.86875		29
	20.156249999999996		19.4	30.462500000000002		29.1
	20.30625		18.9	29.21875		28.5
	19.687500000000004		18	29.068750000000005		28.7
	19.406249999999996		18.4	28.975000000000005		29.1
	19.431250000000006		18.4	28.556250000000002		28.6
	18.18125		18	27.781250000000004		27.7
	18.262499999999996		17.9	28.318750000000005		28
	17.912499999999998		16.7	28.325		27.7
	16.956250000000004		15.9	27.575000000000006		26.4
	17.281250000000004		16.4	26.39375		26.8
	17.34375		16.3	27.893749999999997		27.4
	17.00625		16.5	27.406249999999993		27.6
	16.76875		16.3	27.175		27.1
	16.29375		15.7	27.256249999999998		27
	16.10625		15.4	27.712500000000002		27.3
Sep.	16.7375		16	27.525000000000002		27.7
	17.293750000000003		16.7	26.8125		27.3
	17.6		16.8	26.975000000000005		26.8
	18.16875		16.5	28.543750000000006		27.6
	18.275000000000002			28.156249999999996
	17.881249999999998			28.525000000000006
	17.7125			26.974999999999994
	16.3625			25.937500000000007
	15.437499999999998			25.368750000000002
	15.325000000000003			25.63125
	15.518749999999999			25.656250000000004
	15.299999999999999			25.593749999999996
	15.575000000000001			25.625000000000004
	15.225			25.656249999999996
	14.937499999999998			25.06875
	14.962499999999999			24.712499999999995
	14.74375			24.881249999999998
	15.26875			24.356249999999996
	13.806249999999997			23.18125
	13.312499999999998			22.724999999999998
	13.168750000000003			24.26875
	13.706249999999999			23.15
	13.275			22.581249999999997
	11.881249999999998			23.487499999999997
	11.999999999999998			23.331250000000004
	12.299999999999999			23.775
	12.3			22.456249999999997
	12.174999999999999			21.706250000000004
	12.15			21.26875
	11.3375			21.13125
Oct.	10.337500000000002			19.85625
	8.8625			19.443749999999998
	8.7375			18.931250000000002
	8.987499999999999			19.275000000000002
	8.325			18.143749999999997
	8.8125			19.474999999999998
	9.25625			19.331249999999994
	8.9375			20.137500000000003
	10.71875			21.043750000000003
	11.037500000000001			19.425
	10.0125			18.262500000000003
	9.231250000000001			18.0625
	8.11875			16.675
	6.775000000000001			13.58125
	5.59375			14.812499999999998
	7.756250000000001			15.6375
	6.281250000000001			13.856250000000001
	4.956250000000001			14.45625
	5.9937499999999995			15.987500000000002
	6.387499999999999			16.325
	8.70625			16.34375
	7.525			16.25
	7.3687499999999995			15.774999999999999
	6.0562499999999995			14.943750000000001
	5.999999999999998			14.73125
	5.31875			15.09375
	5.98125			14.712499999999999
	4.031249999999998			15.56875
	2.23125			10.406249999999998
	1.55625			10.475000000000001
	2.0125			11.46875
Nov.	3.4000000000000004			12.14375
	3.3437499999999996			11.424999999999999
	3.55			12.918750000000005
	2.84375			10.712499999999999
	2.45			11.437499999999998
	3.2750000000000004			11.275
	3.4812499999999997			11.975
	2.2812499999999996			10.293750000000001
	2.55625			10.106250000000001
	2.5374999999999996			11.993749999999999
	1.9874999999999998			10.999999999999998
	1.2625000000000002			9.868750000000002
	-0.13749999999999996			7.78125
	0.3187499999999998			7.0874999999999995
	1.5375000000000005			9.4
	1.4812499999999997			9.53125
	0.95			8.1375
	0.8999999999999999			8.69375
	1.1749999999999998			9.262499999999998
	1.4500000000000004			8.956249999999999
	0.375			7.94375
	-1.3562500000000002			5.5625
	-1.975			4.61875
	0.03749999999999999			7.268749999999999
	-0.3062500000000001			7
	-0.71875			7.368750000000001
	-1.7812499999999996			7.59375
	-0.8187500000000003			6.843750000000001
	-0.39999999999999997			7.46875
	-0.31875			7.3875
Dec.	0.4			7.0062500000000005
	0.05625000000000026			6.5874999999999995
	-0.7937499999999998			5.699999999999999
	-2.5999999999999996			5.11875
	-1.3375000000000001			6.2125
	-0.61875			7.125000000000001
	-0.4625			7.5687500000000005
	-1.2125000000000001			6.712500000000001
	-0.7562500000000002			6.75
	-0.1749999999999996			7.031250000000001
	-0.3437500000000001			6.974999999999999
	-0.18125000000000013			7.16875
	-0.02499999999999991			7.21875
	-0.9437500000000001			6.625
	-0.8624999999999998			5.9125
	-1.55625			4.58125
	-1.6866666666666665			5.94

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

41°C

Highest Temp

26 Jul. 26

-19°C

Lowest Temp

26 Jan. 26

Seasonal Breakdown

Hottest MonthJuly34.92°C

Coldest MonthJanuary-4.69°C

Wettest MonthAugust9.25mm

Windiest MonthMarch25.31km/h

Saint Charles 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 Saint Charles historically?

July is historically Saint Charles's hottest month, with average maximum temperatures around 31°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2026-07-26.

2. What is the coldest month in Saint Charles historically?

January is Saint Charles's coldest month, with average minimum temperatures around -4°C. The all-time record low of -22°C was recorded on 2014-01-06.

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

Saint Charles's average annual rainfall is approximately 1364.5mm, based on records spanning 17 years.

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

Saint Charles historically records approximately 166.8 rainy days per year. April has the highest number of rain days at an average of 15.7 days.

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

The all-time highest temperature recorded in Saint Charles is 41°C on 2026-07-26.

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

The all-time lowest temperature recorded in Saint Charles is -22°C on 2014-01-06.

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

Saint Charles experiences its strongest winds during April. The historic gust record of 48.7 kph was recorded on 2012-12-20.

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

Usually, Saint Charles's humidity peaks in May at around 74.8% and drops to its lowest in October at approximately 64.6%.

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Saint Charles Historic Weather Records
Analyse hottest, coldest, windiest & wettest days