Calgary, Canada Weather
Calgary hourly forecast: next 24 hours
Today's high of 73°F (23°C) is right in line with the typical August high of 74°F (23°C).
Current conditions in detail
Calgary weather tomorrow (Friday, August 7)
Tomorrow in Calgary looks sunny, with a high of 83° and an overnight low of 45°. Precipitation chance is modest at 36%. Winds top out near 13 mph, and the UV index reaches 5 (moderate).
Calgary 14-day forecast
About the weather in Calgary
Located in Alberta, Canada, Calgary experiences a semi-arid climate with big day-to-night temperature swings and modest rainfall. Afternoon temperatures peak near 74°F (24°C) in July and dip to about 28°F (-2°C) in February, with around 18.9 inches (481 mm) of precipitation falling across the year.
Calgary weather: quick facts
- Hottest month: July - highs near 74°F (24°C)
- Coldest month: February - highs near 28°F (-2°C)
- Record high: 98°F (37°C) · Record low: -39°F (-39°C) (2015–2024)
- Wettest month: June (13 rainy days) · Sunniest: July (13.5 h sun/day)
- Climate type: semi-arid - big day-to-night temperature swings and modest rainfall
- Snow: about 28 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 74°F (24°C) and overnight lows stay near 52°F (11°C). The coolest month is February, with typical highs of 28°F (-2°C) and lows around 9°F (-13°C). Based on 2015–2024 weather data, temperatures have reached as high as 98°F (37°C) and dropped as low as -39°F (-39°C).
Rain, sun and snow
June is usually the wettest month. It brings about 3.8 inches (97 mm) of rain over 13 days, while January is the driest. July brings the most sunshine, averaging 13.5 hours of sun a day. Snow falls on about 28 days in a typical year, mostly from September through May.
Season by season
Spring (March through May)
Spring in Calgary is chilly, with daytime highs averaging 51°F (10°C) and nights around 28°F (-2°C); expect showers on roughly 26 days across the season, plus around 9 snowy days.
Summer (June through August)
Summer in Calgary is mild and warm, with daytime highs averaging 72°F (22°C) and nights around 50°F (10°C); expect showers on roughly 33 days across the season.
Fall (September through November)
Fall in Calgary runs cold, with daytime highs averaging 51°F (10°C) and nights around 31°F (0°C); expect showers on roughly 20 days across the season, plus around 8 snowy days.
Winter (December through February)
Winter in Calgary is frigid, with daytime highs averaging 28°F (-2°C) and nights around 10°F (-12°C); rain falls on about 17 days over the three months, plus around 12 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Calgary by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 29° | 11° | 4 | 0.5 in | 6.0 h/day | 70% |
| February | 28° | 9° | 7 | 0.9 in | 7.2 h/day | 67% |
| March | 40° | 18° | 7 | 0.9 in | 9.1 h/day | 65% |
| April | 51° | 28° | 8 | 1.3 in | 10.5 h/day | 57% |
| May | 62° | 39° | 10 | 2.3 in | 11.5 h/day | 57% |
| June | 69° | 47° | 13 | 3.8 in | 12.8 h/day | 61% |
| July | 74° | 52° | 12 | 2.5 in | 13.5 h/day | 67% |
| August | 74° | 51° | 9 | 2.4 in | 11.9 h/day | 64% |
| September | 64° | 43° | 7 | 1.6 in | 9.6 h/day | 65% |
| October | 51° | 31° | 6 | 1.2 in | 7.7 h/day | 65% |
| November | 37° | 20° | 6 | 0.9 in | 5.7 h/day | 69% |
| December | 27° | 11° | 6 | 0.8 in | 5.2 h/day | 70% |