Weather in Calgary
What's the weather like in Calgary?
Calgary has a wide swing between hot summers and cold winters and moderate rainfall spread across the year. Average daytime highs range from -1°C (30°F) in January to 24°C (74°F) in July, with overnight lows around -11°C (12°F) and 11°C (52°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Calgary are June through August.
Quick facts
- Country
- 🇨🇦 Canada
- Region
- North America
- Time zone
- America/Edmonton
- Coordinates
- 51.045, -114.072
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -1°C / 30°F | -11°C / 12°F | 12 mm | 11 | — |
| February | -2°C / 28°F | -13°C / 8°F | 20 mm | 13 | — |
| March | 5°C / 40°F | -8°C / 18°F | 21 mm | 13 | — |
| April | 11°C / 51°F | -2°C / 28°F | 31 mm | 16 | — |
| May | 17°C / 62°F | 4°C / 39°F | 56 mm | 18 | — |
| June | 21°C / 69°F | 9°C / 48°F | 100 mm | 21 | — |
| July | 24°C / 74°F | 11°C / 52°F | 62 mm | 18 | — |
| August | 23°C / 73°F | 11°C / 51°F | 62 mm | 15 | — |
| September | 17°C / 63°F | 6°C / 42°F | 41 mm | 13 | — |
| October | 10°C / 51°F | 0°C / 31°F | 30 mm | 13 | — |
| November | 2°C / 36°F | -7°C / 19°F | 23 mm | 12 | — |
| December | -3°C / 27°F | -12°C / 10°F | 19 mm | 10 | — |
Calgary by month
Detailed weather for any specific month:
Cities with a similar climate to Calgary
Frequently asked questions
When is the best time to visit Calgary?
The most comfortable months in Calgary are usually June, July, August, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Calgary?
July is typically the hottest month in Calgary, averaging a high of 24°C (74°F).
What is the coldest month in Calgary?
February is usually the coldest, with average lows around -13°C (8°F).
Does it snow in Calgary?
Snow is rare in Calgary; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.