Montreal Weather & Climate

Canada

Montreal sees feels-like daytime highs peak around 29.7°C in July and nighttime lows bottom out near -13°C in January. July is the wettest month (~82 mm), while February is the driest (~19 mm). For sunshine, August leads with about 62% clear skies.

Best time to visit Montreal

Based on mild feels-like temperatures and low rain chances, the most comfortable months are June, August, and September — expect around 17.927°C with roughly 38% chance of rain on a given day in June.

Montreal climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-13° / -6.6°5%22 mm36%16.7 kph
February-12° / -5.4°6%19 mm38%17.4 kph
March-5.9° / 1°15%35 mm41%17.4 kph
April3.2° / 11.2°27%60 mm44%16.6 kph
May11.6° / 20.4°35%74 mm47%15.2 kph
June17.9° / 27°38%80 mm52%13.9 kph
July20.3° / 29.7°41%82 mm59%13.2 kph
August18.9° / 28°35%79 mm62%12.8 kph
September13.8° / 21.6°32%76 mm60%13.8 kph
October6.6° / 13°31%81 mm51%14.9 kph
November-0.8° / 4.5°22%60 mm42%15.4 kph
December-9° / -3.1°10%36 mm37%15.7 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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