☀️ SunnyWhen

Best Time to Visit Calgary

Canada · 30-year monthly climate averages

☀️ When to go

Based on 30 years of climate data, the most comfortable months to visit Calgary are July, August and September, when daytime temperatures are agreeable and rainfall is relatively low.

Climate profile

Calgary sees its warmest weather in July, when daytime highs average around 24°C, and its coolest in December (around -2°C).

Annual precipitation totals roughly 440mm — June is typically the wettest month (~93mm) and February the driest (~11mm).

Year at a glance

JanFebMarAprMayJunJulAugSepOctNovDec-11°6°24°

🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall

🔥 Recent heat vs normal

Daily forecast highs vs the 30-year normal — last 37 days

16/ 37
days ≥2°C above normal
33°C
highest recorded · August 1
+0.9°C
avg anomaly · vs 30-year normal
2026-07-12: +3.4°C2026-07-13: +0.9°C2026-07-14: +1.3°C2026-07-15: +2.3°C2026-07-16: +3.3°C2026-07-17: +4.6°C2026-07-18: +6.6°C2026-07-19: +2.3°C2026-07-20: -2.2°C2026-07-21: +1.1°C2026-07-22: +4.1°C2026-07-23: +6.6°C2026-07-24: +5.6°C2026-07-25: +6.3°C2026-07-26: +3.0°C2026-07-27: +4.0°C2026-07-28: +5.7°C2026-07-29: +1.2°C2026-07-30: +2.5°C2026-07-31: +6.7°C2026-08-01: +9.4°C2026-08-02: -2.2°C2026-08-03: -3.8°C2026-08-04: +0.1°C2026-08-05: +1.8°C2026-08-06: -2.7°C2026-08-07: +1.7°C2026-08-08: +1.5°C2026-08-09: -1.6°C2026-08-10: -2.5°C2026-08-11: -4.2°C2026-08-12: -7.4°C2026-08-13: -10.8°C2026-08-14: -8.7°C2026-08-15: -4.5°C2026-08-16: -1.7°C2026-08-17: -2.1°C

Each bar is one day: orange above normal, blue below.

Month by month

MonthHigh / LowRainfallTravel rating
January-1° / -11°C11mm🤔 Fair
February2° / -10°C11mm🤔 Fair
March7° / -6°C19mm🤔 Fair
April12° / -1°C26mm👍 Good
May17° / 4°C67mm👍 Good
June21° / 8°C93mm🌟 Great
July24° / 11°C66mm🌟 Great
August23° / 10°C57mm🌟 Great
September19° / 6°C48mm🌟 Great
October12° / 0°C17mm👍 Good
November3° / -6°C14mm🤔 Fair
December-2° / -11°C12mm🤔 Fair

FAQ

What is the best time to visit Calgary?
Based on 30 years of climate data, the most comfortable months to visit Calgary are July, August and September, when daytime temperatures are agreeable and rainfall is relatively low.
What is the hottest month in Calgary?
July is typically the hottest month in Calgary, with average daytime highs around 24°C.
What is the rainiest month in Calgary?
June is usually the wettest month, with around 93mm of precipitation.