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Plymouth Monthly Climate Averages
Plymouth is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Plymouth .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +8.8 | +4 | 108 | 9.2h |
February | +8.8 | +3.6 | 84 | 10.7h |
March | +10.5 | +4.8 | 78 | 12.5h |
April | +12.6 | +5.9 | 67 | 14.4h |
May | +15.6 | +8.8 | 64 | 16.2h |
June | +18 | +11.2 | 57 | 17.1h |
July | +19.9 | +13.3 | 62 | 16.6h |
August | +20 | +13.4 | 67 | 15h |
September | +18.1 | +11.6 | 74 | 13.1h |
October | +14.8 | +9.3 | 113 | 11.2h |
November | +11.7 | +6.4 | 113 | 9.6h |
December | +9.5 | +4.5 | 119 | 8.7h |
Best time with the soft weather for the sightseeing and long walks in Plymouth are June, July, August, September.
Temperature in Plymouth
The table shows that the hottest months in Plymouth are August and July, during which the average daytime temperature reaches +20°C and the nighttime temperature falls to +13.4°C.
The coldest months are January and February, when the daily average temperature falls to +8.8°C, and drops to +4°C during the night.
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Sea temperature
The month with the highest average monthly temperature in the English Channel on the beaches of Plymouth is August with 16.9 degrees.
The coldest water can be found in March — 9.5degrees C.
Precipitation
The largest amount of precipitation falls on average in December and November, up to 119mm, and the least in June and July — up to 57mm.