St. John's Weather & Climate

Canada

St. John's sees feels-like daytime highs peak around 22.5°C in August and nighttime lows bottom out near -7.9°C in February. October is the wettest month (~110 mm), while February is the driest (~41 mm). For sunshine, September leads with about 50% clear skies.

Best time to visit St. John's

Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and September — expect around 15.422.5°C with roughly 33% chance of rain on a given day in August.

St. John's climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-7.2° / -2.2°13%51 mm38%25.8 kph
February-7.9° / -2.2°10%41 mm35%25.3 kph
March-5.3° / 0°13%47 mm36%23.4 kph
April-1.4° / 4.6°21%55 mm34%20.4 kph
May3.3° / 10.5°30%66 mm32%18.1 kph
June8.4° / 16.2°32%70 mm37%16.7 kph
July14.3° / 22.4°34%73 mm45%16.1 kph
August15.4° / 22.5°33%75 mm49%16.6 kph
September11.2° / 17.1°36%93 mm50%18.8 kph
October5.3° / 10.8°39%110 mm47%21.1 kph
November0.5° / 5.7°35%102 mm43%23 kph
December-4.1° / 0.2°22%80 mm41%25.2 kph

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

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