Year-round weather and climate in Calgary, Canada
Average temperatures in Calgary run from an average low of -12°C10°F in January up to an average high of 24°C75°F 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.
Good to know
- Population
- 1.3M
- Currency
- CAD
- Language
- English / French
- Time zone
- Edmonton
Best time to visit
The most pleasant weather falls in July, August, and September, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like April, crisp sunny days drop off a cliff by 13°C23°F at sunset. Always carry an evening layer.
Seasonality Profile
Deep Continental: Dominated by long, freezing winters. Summers are brief but pleasantly mild.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Calgary, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jan is typically driest at 5 days (12mm); Jun the wettest at 13 days (115mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | -2°C / 28°F | -12°C / 10°F | 6h | 5 | 12mm |
| Feb | -1°C / 30°F | -12°C / 10°F | 7h | 7 | 25mm |
| Mar | 3°C / 38°F | -9°C / 16°F | 9h | 8 | 25mm |
| Apr | 10°C / 49°F | -3°C / 27°F | 10h | 7 | 31mm |
| May | 16°C / 61°F | 4°C / 38°F | 11h | 11 | 66mm |
| Jun | 21°C / 69°F | 8°C / 47°F | 12h | 13 | 115mm |
| Jul | 24°C / 76°F | 12°C / 53°F | 14h | 11 | 50mm |
| Aug | 24°C / 75°F | 11°C / 52°F | 12h | 8 | 53mm |
| Sep | 20°C / 68°F | 7°C / 45°F | 10h | 5 | 29mm |
| Oct | 11°C / 53°F | 0°C / 32°F | 8h | 6 | 34mm |
| Nov | 2°C / 36°F | -7°C / 19°F | 6h | 6 | 24mm |
| Dec | -2°C / 28°F | -11°C / 11°F | 5h | 6 | 24mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Calgary?
The most sunshine in Calgary comes around July, averaging 14 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Calgary?
Your packing list depends entirely on when you travel. Temperatures in Calgary swing from an average low of -12°C10°F in January up to 24°C75°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Calgary?
Calgary gets rain on about 93 days out of the year. The wettest month is June. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Calgary with Packola.
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