Yearly weather and climate in Calgary, Canada
The yearly weather in Calgary runs from around -12°C in January to 24°C in July. January is the driest month at 5 rainy days; June the wettest at 13. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Aug, with mild temperatures and lower rainfall.
Sunshine
Expect up to 13.6 hours of clear skies in Jul, but only 4.8 hours in Dec. Pack sunglasses and SPF accordingly.
Rainfall
Rainfall peaks in Jun (115mm), but it's generally moderate. A light travel umbrella should be enough.
Day-to-night swings
Temperatures typically drop by 12°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Calgary, averaged over 10 years of recorded weather, with the number of days it typically rains.
- -228°-1210°5Jan
- -130°-1210°7Feb
- 338°-916°8Mar
- 1049°-327°7Apr
- 1661°438°11May
- 2169°847°13Jun
- 2476°1253°11Jul
- 2475°1152°8Aug
- 2068°745°5Sep
- 1153°032°6Oct
- 236°-719°6Nov
- -228°-1111°6Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Jan is typically driest at 5 days (12mm); Jun the wettest at 13 days (115mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | -2°C | -12°C | 5 | 12mm |
| Feb | -1°C | -12°C | 7 | 25mm |
| Mar | 3°C | -9°C | 8 | 25mm |
| Apr | 10°C | -3°C | 7 | 31mm |
| May | 16°C | 4°C | 11 | 66mm |
| Jun | 21°C | 8°C | 13 | 115mm |
| Jul | 24°C | 12°C | 11 | 50mm |
| Aug | 24°C | 11°C | 8 | 53mm |
| Sep | 20°C | 7°C | 5 | 29mm |
| Oct | 11°C | 0°C | 6 | 34mm |
| Nov | 2°C | -7°C | 6 | 24mm |
| Dec | -2°C | -11°C | 6 | 24mm |
Weather data by Open-Meteo.com
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