Weather in Calgary in May

General weather information about Calgary

Average annual temperature is 5.9 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -33.5 °C

Number of sunny days: 186 days

Number of rainy days: 123 days

Number of snow days: 56 days

Look at detailed online map of Calgary

* Weather data for Calgary Canada is based on climate observations for 2026 year

Calgary air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	8.6	9.5	11.8	22.4	29.1	31.6	31.4	33.8	28.7	24.4	10.9	13.6
Average daytime temperature (°C)	0.4	0.0	0.8	11.8	23.0	24.0	24.8	25.4	20.3	11.3	5.8	3.1
Average temperature (°C)	-4.6	-6.1	-6.6	4.2	14.9	16.3	17.5	17.7	13.2	4.8	0.5	-1.4
Average night temperature (°C)	-9.2	-10.7	-12.7	-2.0	6.9	9.6	11.1	11.3	7.2	0.4	-3.5	-4.9
Absolute minimum temperature (°C)	-25.6	-33.5	-21.4	-7.9	2.3	4.0	6.7	5.3	1.6	-14.1	-9.7	-11.9

Calgary monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.5	10.0	11.9	13.8	15.6	16.5	16.0	14.5	12.6	10.7	8.9	8.0
Daylight minimum duration (h)	7.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	5.9	6.0	9.1	10.1	13.1	12.2	13.4	11.1	10.0	6.1	5.6	4.5
Precipitation (mm)	11	32	12	21	40	100	49	42	21	46	11	22
Sunny days	20	15	21	14	18	7	8	16	17	13	19	18
Rainy days	3	1	0	8	13	23	23	15	13	13	5	6
Snow days	8	12	10	8	0	0	0	0	0	5	6	7

Calgary - weather forecast by months

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Best time to visit Calgary:

The best time to visit Calgary during the most sunny months:

May — 13.1(h)
June — 12.2(h)
July — 13.4(h)

Months with the longest average daylight duration in Calgary:

May — 15.6(h)
June — 16.5(h)
July — 16.0(h)

The largest precipitation sum in Calgary is at

June — 100(mm)

July — 49(mm)

October — 46(mm)

Weather forecast in the closest to Calgary admin centers