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

Calgary Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-13.83125	-5.9		-3.825	-2.8
	-12.2	-6.6		-3.0625	-5.2
	-13.09375	-8.4		-4.21875	-7.1
	-12.993749999999999	-7.2		-4.79375	-4.3
	-13.150000000000002	-13		-6.16875	-6.2
	-13.2875	-11		-4.8374999999999995	-0.5
	-13.09375	-8.7		-5.168750000000001	-0.7
	-13.38125	-9.9		-5.09375	-4.8
	-13.825	-13.9		-4.15	-3.5
	-13.8125	-5.8		-4.91875	2.5
	-14.862499999999997	-2.5		-6.406249999999998	0.8
	-14.287500000000001	-2.1		-5.7125	5.4
	-11.8625	-2.4		-3.73125	2.8
	-11.668749999999996	-2.1		-3.4062499999999996	3.5
Jan.	-11.518749999999999	-6		-3.75	-0.1
	-11.325000000000003	-7		-4.09375	-0.5
	-12.506249999999998	-6.9		-5.1812499999999995	6.9
	-13.268749999999997	-9.1		-4.85	1
	-13.30625	-9.4		-3.1375	5.2
	-11.525	-6.2		-1.99375	0.6
	-8.75	-9.6		-1.0312499999999998	-3
	-7.331249999999999	-17.7		-1.2937499999999997	-11.9
	-8.843749999999998	-19.7		-0.675	-11.9
	-8.175	-16.5		0.06875000000000005	-11.7
	-7.762499999999999	-18.1		0.4812500000000001	-1.8
	-7.868750000000001	-12.1		0.6937500000000001	-0.8
	-9.51875	-11.5		-0.32500000000000007	1.2
	-8.875	-5.1		-1.125	2.3
	-9.99375	-5.2		-0.6124999999999998	2.3
	-9.124999999999998	-4.7		-1.6375000000000008	2
	-11.575000000000001	-1.3		-2.812500000000001	5.7
	-12.112499999999999	-3.9		-2.7562499999999996	0.1
	-13.65	-1.5		-5.837500000000001	6.7
	-14.181249999999999	-3.5		-7.25	3.6
	-14.606249999999998	-0.4		-4.7749999999999995	12.2
	-13.412500000000001	1.7		-5.5687500000000005	11.1
	-13.81875	-1.8		-5.937499999999999	7.1
	-14.193750000000001	1.3		-5.831249999999999	11.1
	-15.2	-0.7		-5.624999999999999	8.2
	-15.218749999999998	-2.3		-5.06875	6.6
	-14.043750000000001	-4.7		-4.5875	4.2
	-13.456249999999999	-6.5		-4.35625	3.3
	-12.443750000000001	-3.9		-1.1437499999999998	6.7
	-9.249999999999998	-2.4		-0.7937500000000001	3.6
	-10.362499999999999	-2.4		-2.2250000000000005	7.2
Feb.	-11.387500000000001	-6.8		-2.1625	4.2
	-10.85	-7.6		-1.575	1.9
	-10.637499999999998	-16.7		-2.8875	-4.4
	-12.356250000000003	-23.8		-3.6250000000000004	-19.5
	-11.18125	-22.5		-1.11875	-12.9
	-10.5625	-17.5		-1.6687500000000004	-3.1
	-12.475000000000001	-18.6		-1.7249999999999999	-9.6
	-11.28125	-19.8		-2.525	-8.9
	-12.593750000000002	-12.6		-2.6625	1.6
	-12.206249999999999	-7.4		-3.5187500000000003	3.9
	-12.4125	-8		-1.2	1
	-11.749999999999998	-1.8		-0.93125	6.4
	-11.512500000000003	-13.4		-0.7437500000000002	-2.5
	-11.937499999999998	-15.2		-0.8624999999999998	-6.5
	-11.868749999999999	-14.5		-0.7437500000000001	5.9
	-11.75625	-7.6		-3.48125	-1.2
	-11.6	-1.6		-2.6250000000000004	4.9
	-11.993749999999999	-4.5		-1.9687500000000002	-0.9
	-11.95	-4.9		-1.75	3.8
	-11.33125	-5.3		-1.81875	5.9
	-11.231250000000001	-1.6		-0.3749999999999998	9.2
	-10.874999999999998	-4		-0.44374999999999987	5.5
	-9.36875	-7		1.3375000000000001	-0.6
	-8.6125	-9.8		1.7	0.8
	-8.58125	-8.3		2.7375000000000003	3.2
	-6.05625	-4.1		4.650000000000001	2.5
	-5.637500000000001	-11.4		5.6625	-1.6
	-5.7625	-11.1		4.6937500000000005	-6
Mar.	-6.13125	-17.4		2.5	-3.2
	-6.0687500000000005	-7.6		4.7437499999999995	6.3
	-5.531250000000001	3.7		5.05625	13.6
	-4.6125	2.5		5.375	13
	-4.862499999999999	-1.2		5.5249999999999995	15.1
	-4.375	-1.6		4.6499999999999995	4.1
	-5.324999999999998	-2.3		4.5625	4.1
	-5.5125	-6.4		4.031250000000001	7.1
	-5.474999999999999	-2.9		3.6125	6.1
	-4.95	-5.2		3.03125	0.9
	-5.525	-5.6		4.106249999999999	5.6
	-5.074999999999999	-8.9		4.69375	-2
	-4.0875	-8.7		5.3	5.7
	-3.7437500000000004	-3.8		6.131249999999999	0
	-4.69375	-6.2		5.69375	-2.9
	-4.34375	-8.3		5.88125	-2.8
	-4.1375	-9.8		5.94375	2.6
	-4.0625	-7.5		5.337500000000001	9.1
	-3.8812499999999996	-2.1		4.762500000000001	0.4
	-4.49375	-5.4		6.300000000000001	11.8
	-3.6624999999999996	1.3		6.6000000000000005	12
	-4.03125	-1.6		6.099999999999999	-0.1
	-2.8874999999999997	-2.9		6.64375	11.6
	-3.0874999999999995	-0.3		7.762499999999998	4.4
	-2.1625	-4.2		8.15	10.9
	-2.9312499999999995	-2.7		9.25625	12
	-1.5187499999999998	-1.2		9.2375	19.6
	-1.65	0.4		6.768749999999999	19.7
	-3.3687499999999995	0.3		4.7562500000000005	3.5
	-2.7375	1		5.8875	16.5
	-2.5374999999999996	4.4		7.881250000000001	15.2
Apr.	-2.3187500000000005	-5.2		7.293750000000001	7
	-2.8562499999999997	-9.9		7.4875	-2.7
	-2.8500000000000005	-9.5		9.362499999999999	7.9
	-2.78125	-0.6		8.91875	16
	-1.8124999999999998	-0.8		9.056249999999999	22.5
	-1.575	6.9		9.98125	23.4
	-0.6125	6.5		10.812500000000002	25.4
	-0.7625	3.1		11.618749999999999	15.9
	0.006249999999999929	-1.9		11.274999999999999	4.1
	0.006250000000000033	-3.7		12.08125	2
	0.48750000000000004	-6		11.368749999999999	-0.2
	0.35625	-9.1		12.58125	-1.2
	1.44375	-6.8		11.581249999999999	11.7
	0.9625	-2.7		12.412500000000001	13.9
	1.06875	-0.4		11.65	15.8
	0.8687499999999998	2.9		12.3625	24.2
	1.6125	8		13.05625	22.4
	1.61875	6.7		13.425	21.3
	2.2312499999999997	8.8		14.2375	23.4
	2.425	4.7		14.150000000000002	15.3
	2.5124999999999997	2.6		14.88125	12.2
	2.8124999999999996	-2.2		13.318750000000001	23.5
	2.4125	8.5		14.143750000000002	20.8
	2.60625	7.6		13.762499999999998	22.3
	3.0562500000000004	7.7		13.70625	22.1
	2.51875	6.7		14.631249999999998	25.7
	2.78125	7.1		15.568750000000001	18.3
	3.475000000000001	4.6		17.1375	26
	4.31875	9		16.2875	28.2
	4.700000000000001	8.6		16.94375	18.3
May	5.0562499999999995	5.7		16.90625	16.4
	5.1375	1.1		17.24375	4.2
	5.2	0.1		16.23125	8.6
	4.66875	0.5		15.575	12.4
	4.49375	3.8		15.312499999999998	16
	4.08125	4.9		15.200000000000001	11.5
	4.3187500000000005	4.2		16.01875	17.4
	4.50625	6.3		16.562500000000004	21.8
	5.425	6.2		16.20625	23.2
	5.16875	9.5		14.71875	23.2
	5.637499999999999	7.8		16.03125	28.9
	6.025	13.3		17.881249999999998	25.6
	6.418749999999999	14.4		17.74375	28
	6.78125	15		17.35625	27.2
	6.2125	16		17.518749999999997	29.7
	6.5249999999999995	12.2		18.01875	21.5
	6.875	6		18.93125	9.2
	6.86875	5.1		18.25625	9.6
	7.268750000000001	6.1		19.275	9.5
	8.2	6		19.99375	18.4
	7.475		8.7	19.943749999999998		20.4
	7.2124999999999995		5.8	19.212500000000002		18.1
	7.63125		4.9	19.181250000000002		15.4
	8.41875		5.7	19.74375		17.2
	7.887500000000001		6.5	20.725		16.4
	8.3		7.8	18.78125		22.3
	7.5562499999999995		9.3	17.1375		16.8
	7.631250000000001		7.6	17.743750000000006		20.1
	7.6		8.5	20		20.3
	8.46875		8.3	20.4		17.9
	8.087499999999999		7.4	17.6875		18
Jun.	7.612500000000001		7.5	18.2875		18.1
	7.3125		7.9	17.631249999999998		17.6
	7.7		8.1	17.51875		18.1
	8.125		8	18		17.9
	7.8812500000000005		7.8	17.1875		19
	7.5125		8.1	17.900000000000002		18.7
	7.70625		8.2	19.074999999999996		20.6
	8.149999999999999		9.3	20.099999999999998		20.1
	8.675		8.7	20		19.9
	9.11875		9.3	20.89375		21.5
	9.525		9.8	20.950000000000003		22
	9.70625		9.7	22.150000000000002		22.2
	10.15625		10.1	22.60625		21.8
	10.18125		10.7	21.8875		22.7
	10.643749999999997		10.4	21.974999999999998		22.6
	10.56875		10.4	22.950000000000003		22.8
	10.487499999999999		10.5	23.081250000000008		22.2
	10.85625		10.7	22.268750000000004		21.3
	10.925000000000002		9.8	21.168750000000003		19.6
	10.049999999999999		9.3	19.856250000000003		20.3
	9.525			20.106249999999996
	9.668750000000001			21.95625
	10.393749999999999			22.756249999999998
	11.062500000000002			23.643750000000004
	11.887500000000001			25.5875
	12.13125			23.612499999999997
	11.343749999999998			23.037499999999998
	11.387500000000001			24.20625
	11.53125			23.099999999999998
	11.100000000000001			22.475
Jul.	10.862499999999999			23.325
	10.868749999999999			22.73125
	10.90625			22.48125
	10.98125			22.724999999999994
	11.962499999999999			23.287499999999998
	11.368749999999999			23.062500000000004
	11.037500000000001			23.125
	10.912500000000001			23.056250000000002
	10.662500000000001			24.387500000000003
	11.118749999999999			24.643749999999997
	11.175			22.706249999999997
	10.475			22.5375
	10.4625			22.843750000000004
	10.899999999999999			23.5125
	11.56875			24.79375
	11.712499999999999			26.4625
	12.568749999999998			26.275000000000002
	12.543750000000001			25.175000000000004
	11.781249999999998			24.84375
	11.9375			23.975000000000005
	10.950000000000001			22.624999999999996
	10.9875			23.237500000000004
	11.4			24.431249999999995
	11.13125			24.093750000000007
	11.15625			22.05
	10.481250000000001			23.7375
	11.493749999999999			24.387500000000003
	12.14375			24.00625
	11.60625			23.737500000000004
	11.18125			24.575000000000003
	11.44375			25.3875
Aug.	11.05			24.293749999999996
	10.875			23.437499999999993
	10.58125			23.95625
	10.575000000000001			24.112500000000004
	10.375			22.831250000000004
	9.90625			22.293750000000003
	9.674999999999999			22.768749999999997
	10.487499999999999			22.637499999999996
	9.55625			22.212500000000002
	9.587499999999999			22.39375
	9.25625			22.59375
	9.787499999999998			23.493750000000002
	9.500000000000002			23.381249999999998
	10.14375			23.193750000000005
	9.8875			22.71875
	9.337500000000002			21.71875
	8.500000000000002			21.075
	9.125			21.150000000000002
	9.4375			22.243750000000002
	8.625			21.624999999999996
	8.687500000000002			20.6875
	8.26875			20.10625
	8.043750000000001			21.14375
	8.54375			22.475
	8.587499999999999			19.775
	8.081249999999999			20.05
	7.68125			19.8125
	7.20625			20.65
	6.918750000000001			18.3875
	7.0249999999999995			15.674999999999999
	5.925000000000001			17.46875
Sep.	6.6312500000000005			18.4375
	6.562500000000002			17.78125
	5.856249999999999			18.812500000000004
	6.325			17.837500000000002
	6.212500000000001			16.543750000000003
	5.675			16.618750000000002
	5.05			16.15625
	5.1625			17.418749999999996
	6.449999999999998			18.087500000000002
	6.4750000000000005			19.787499999999998
	7.70625			20.125
	7.081250000000001			18.10625
	5.762499999999999			17.30625
	4.6499999999999995			15.831249999999999
	4.65625			16.34375
	5.0874999999999995			14.6
	3.6125000000000003			13.53125
	2.3562499999999997			14.325000000000001
	2.2562499999999996			12.35
	2.5375			13.018749999999997
	2.3625000000000003			13.6375
	3.2			14.168750000000001
	3.8250000000000006			14.700000000000001
	2.525			13.025
	2.10625			13.437500000000002
	2.8937500000000007			13.1375
	1.4625000000000001			10.275000000000002
	0.3			9.76875
	-0.45625			9.79375
	0.01874999999999999			12.137500000000001
Oct.	1.1125			12.21875
	1.7812499999999998			13.3625
	1.8562500000000004			14.056249999999999
	1.34375			11.775
	1.6437499999999998			12.799999999999999
	1.66875			11.26875
	1.275			12.09375
	-0.09375000000000003			9.474999999999998
	-1.2875			7.768750000000002
	-1.7750000000000001			7.662500000000001
	-3.275			6.518749999999999
	-4.6625			6.2749999999999995
	-3.2375			6.331250000000001
	-2.9062500000000004			6.175000000000002
	-2.968749999999999			6.4624999999999995
	-2.66875			7.06875
	-1.79375			7.8875
	-3.23125			4.325000000000001
	-3.6437500000000003			4.29375
	-4.04375			5.00625
	-3.8312500000000003			5.350000000000001
	-4.78125			5.0687500000000005
	-5.425000000000001			3.224999999999999
	-5.0875			2.7875
	-5.0562499999999995			3.0374999999999996
	-6.96875			2.1875
	-7.531250000000001			1.3375000000000001
	-8.2			0.9812499999999997
	-7.1000000000000005			2.79375
	-4.924999999999999			4.8062499999999995
	-5.200000000000001			2.7249999999999996
Nov.	-4.71875			3.45625
	-7.387499999999999			1.3687500000000001
	-8.175			-0.07499999999999987
	-8.474999999999998			0.32500000000000007
	-8.949999999999998			-1.4125
	-9.94375			-1.6562499999999996
	-9.356249999999998			0.125
	-6.5562499999999995			0.8374999999999999
	-7.718749999999999			-0.6562500000000002
	-9.074999999999998			-0.4312500000000001
	-8.087499999999999			0.46874999999999994
	-7.05			0.49375000000000024
	-8.1375			0.33750000000000024
	-9.5625			-1.5
	-10.581249999999997			-2.5562500000000004
	-10.856250000000001			-2.68125
	-9.7			-1.6500000000000001
	-10.674999999999999			-2.78125
	-9.937500000000002			-1.4624999999999997
	-9.618750000000002			-1.5375000000000003
	-11.2125			-2.7750000000000004
	-11.2875			-2.9625
	-10.79375			-1.8625
	-9.250000000000002			-1.43125
	-8.793750000000001			-1.6
	-10.4375			-2.3937499999999994
	-10.40625			-3.39375
	-10.725000000000001			-2.95
	-10.462499999999999			-2.4437499999999996
	-10.31875			-2.31875
Dec.	-10.906249999999998			-2.425
	-11.54375			-4.2875000000000005
	-11.75625			-3.8437500000000004
	-12.568750000000001			-4.45625
	-14.04375			-6.08125
	-12.85625			-4.88125
	-11.299999999999999			-3.7750000000000004
	-11.981249999999998			-4.74375
	-13.85625			-4.93125
	-13.849999999999998			-5.056250000000001
	-12.775000000000002			-6.218749999999999
	-14.912500000000001			-7.3187500000000005
	-13.856250000000001			-6.5
	-13.074999999999998			-5.74375
	-13.049999999999999			-4.8062499999999995
	-14.5375			-5.531249999999999
	-14.126666666666669			-6.166666666666667

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

30°C

Highest Temp

29 May 26

-24°C

Lowest Temp

18 Feb. 26

Seasonal Breakdown

Hottest MonthMay20.14°C

Coldest MonthJanuary-8.56°C

Wettest MonthJune11.99mm

Windiest MonthJune33.6km/h

Calgary 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 Calgary historically?

August is historically Calgary's hottest month, with average maximum temperatures around 23°C. During peak heatwave events, the highest recorded temperatures have reached 38°C on 2018-08-10.

2. What is the coldest month in Calgary historically?

February is Calgary's coldest month, with average minimum temperatures around -12°C. The all-time record low of -36°C was recorded on 2024-01-12.

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

Calgary's average annual rainfall is approximately 541.3mm, based on records spanning 17 years.

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

Calgary historically records approximately 161.1 rainy days per year. June has the highest number of rain days at an average of 19.4 days.

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

The all-time highest temperature recorded in Calgary is 38°C on 2018-08-10.

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

The all-time lowest temperature recorded in Calgary is -36°C on 2024-01-12.

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

Calgary experiences its strongest winds during January. The historic gust record of 49 kph was recorded on 2025-08-13.

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

Usually, Calgary's humidity peaks in January at around 81.5% and drops to its lowest in September at approximately 59.2%.

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

Calgary Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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Analyse hottest, coldest, windiest & wettest days