Plymouth Weather & Climate

United Kingdom

Plymouth sees feels-like daytime highs peak around 20.9°C in August and nighttime lows bottom out near 3.9°C in January. December is the wettest month (~100 mm), while June is the driest (~49 mm). For sunshine, July leads with about 56% clear skies.

Best time to visit Plymouth

Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and September — expect around 1520.9°C with roughly 26% chance of rain on a given day in August.

Plymouth climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January3.9° / 8.3°43%94 mm36%27.4 kph
February4° / 8.5°33%70 mm40%26.1 kph
March4.9° / 9.5°31%59 mm41%24 kph
April6.5° / 11.9°28%50 mm47%21.7 kph
May9.8° / 15.5°28%51 mm50%20.1 kph
June12.5° / 18.4°26%49 mm52%19 kph
July14.8° / 20.8°24%49 mm56%18.7 kph
August15° / 20.9°26%52 mm54%18.9 kph
September13.3° / 18.5°30%59 mm51%20.9 kph
October10° / 14.7°40%87 mm45%23.7 kph
November7.2° / 10.9°42%93 mm40%25.6 kph
December4.9° / 8.6°43%100 mm36%27.1 kph

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

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