Calgary weather by month

Check out Calgary weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Calgary (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-5°C maximum daytime temperature in January in Calgary-5
-1°C maximum daytime temperature in February in Calgary-1
3°C maximum daytime temperature in March in Calgary3
10°C maximum daytime temperature in April in Calgary10
16°C maximum daytime temperature in May in Calgary16
20°C maximum daytime temperature in June in Calgary20
23°C maximum daytime temperature in July in Calgary23
22°C maximum daytime temperature in August in Calgary22
17°C maximum daytime temperature in September in Calgary17
12°C maximum daytime temperature in October in Calgary12
3°C maximum daytime temperature in November in Calgary3
-3°C maximum daytime temperature in December in Calgary-3
Min temperature (night-time)
-16°C minimum night-time temperature in January in Calgary-16
-12°C minimum night-time temperature in February in Calgary-12
-9°C minimum night-time temperature in March in Calgary-9
-2°C minimum night-time temperature in April in Calgary-2
3°C minimum night-time temperature in May in Calgary3
7°C minimum night-time temperature in June in Calgary7
9°C minimum night-time temperature in July in Calgary9
8°C minimum night-time temperature in August in Calgary8
4°C minimum night-time temperature in September in Calgary4
-1°C minimum night-time temperature in October in Calgary-1
-9°C minimum night-time temperature in November in Calgary-9
-14°C minimum night-time temperature in December in Calgary-14
Heat & Humidity
No heat & humidity in January in Calgary0
No heat & humidity in February in Calgary0
No heat & humidity in March in Calgary0
No heat & humidity in April in Calgary0
No heat & humidity in May in Calgary0
No heat & humidity in June in Calgary0
No heat & humidity in July in Calgary0
No heat & humidity in August in Calgary0
No heat & humidity in September in Calgary0
No heat & humidity in October in Calgary0
No heat & humidity in November in Calgary0
No heat & humidity in December in Calgary0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Calgary

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Calgary8
10 hours of daylight per day in February in Calgary10
12 hours of daylight per day in March in Calgary12
14 hours of daylight per day in April in Calgary14
16 hours of daylight per day in May in Calgary16
16 hours of daylight per day in June in Calgary16
16 hours of daylight per day in July in Calgary16
14 hours of daylight per day in August in Calgary14
13 hours of daylight per day in September in Calgary13
11 hours of daylight per day in October in Calgary11
9 hours of daylight per day in November in Calgary9
8 hours of daylight per day in December in Calgary8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Calgary1
UV (maximum) index 1 (Low) in February in Calgary1
UV (maximum) index 2 (Low) in March in Calgary2
UV (maximum) index 4 (Moderate) in April in Calgary4
UV (maximum) index 6 (High) in May in Calgary6
UV (maximum) index 7 (High) in June in Calgary7
UV (maximum) index 7 (High) in July in Calgary7
UV (maximum) index 6 (High) in August in Calgary6
UV (maximum) index 4 (Moderate) in September in Calgary4
UV (maximum) index 2 (Low) in October in Calgary2
UV (maximum) index 1 (Low) in November in Calgary1
No UV (maximum) index in December in Calgary0

Rainfall in Calgary

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
9 days with some rainfall in January in Calgary9
7 days with some rainfall in February in Calgary7
8 days with some rainfall in March in Calgary8
7 days with some rainfall in April in Calgary7
10 days with some rainfall in May in Calgary10
12 days with some rainfall in June in Calgary12
11 days with some rainfall in July in Calgary11
9 days with some rainfall in August in Calgary9
8 days with some rainfall in September in Calgary8
5 days with some rainfall in October in Calgary5
6 days with some rainfall in November in Calgary6
7 days with some rainfall in December in Calgary7
Average monthly rainfall (mm)
17 mm monthly rainfall in January in Calgary17
12 mm monthly rainfall in February in Calgary12
17 mm monthly rainfall in March in Calgary17
29 mm monthly rainfall in April in Calgary29
55 mm monthly rainfall in May in Calgary55
79 mm monthly rainfall in June in Calgary79
66 mm monthly rainfall in July in Calgary66
48 mm monthly rainfall in August in Calgary48
44 mm monthly rainfall in September in Calgary44
17 mm monthly rainfall in October in Calgary17
14 mm monthly rainfall in November in Calgary14
16 mm monthly rainfall in December in Calgary16

More about Calgary

Calgary by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Alberta (Calgary) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Calgary?

Calgary has a cold climate with warm summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

Compare Calgary with the UK

Below the Calgary chart shows average maximum daytime temperature for Calgary, Alberta, Canada and the UK (London).

Maximum daytime temperature (°C)

Calgary, Alberta, Canada
UK (London)
7
7
3
10
10
13
16
17
20
20
23
22
22
22
17
19
12
15
3
10
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
-5
-1
-3

Metric (°C / mm)  |  Imperial (°F / inches)

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