Plymouth, England Weather by Month and Climate Averages

How much rain does Plymouth get?

Plymouth gets 1033 mm of precipitation in an average year, spread over about 216 days with measurable rain. That is more rainy days than 68% of the UK.

December is the wettest month, with 125 mm. May is the driest, with 60 mm. November has the most rainy days, about 22.

The longest dry spell in the last five years lasted 28 days, to June 8, 2023.

Plymouth weather by month

Plymouth weather in January

In January, Plymouth averages a high of 9°C and a low of 4°C. It gets 110 mm of precipitation over about 21 rainy days. The sun is out about 28% of daylight hours. The January record high is 14°C (2007) and the record low is -9°C (1979).

Plymouth weather in February

In February, Plymouth averages a high of 9°C and a low of 4°C. It gets 88 mm of precipitation over about 18 rainy days. The sun is out about 26% of daylight hours. The February record high is 17°C (2019) and the record low is -7°C (1991).

Plymouth weather in March

In March, Plymouth averages a high of 11°C and a low of 5°C. It gets 77 mm of precipitation over about 18 rainy days. The sun is out about 33% of daylight hours. The March record high is 20°C (2012) and the record low is -5°C (1986).

Plymouth weather in April

In April, Plymouth averages a high of 13°C and a low of 6°C. It gets 67 mm of precipitation over about 16 rainy days. The sun is out about 39% of daylight hours. The April record high is 24°C (2003) and the record low is -2°C (1990).

Plymouth weather in May

In May, Plymouth averages a high of 16°C and a low of 9°C. It gets 60 mm of precipitation over about 15 rainy days. The sun is out about 39% of daylight hours. The May record high is 30°C (2026) and the record low is -1°C (1979).

Plymouth weather in June

In June, Plymouth averages a high of 18°C and a low of 12°C. It gets 65 mm of precipitation over about 14 rainy days. The sun is out about 39% of daylight hours. The June record high is 32°C (1976) and the record low is 3°C (1975). June is one of the most comfortable months to visit.

Plymouth weather in July

In July, Plymouth averages a high of 20°C and a low of 13°C. It gets 61 mm of precipitation over about 15 rainy days. The sun is out about 36% of daylight hours. The July record high is 34°C (2022) and the record low is 6°C (1980). July is one of the most comfortable months to visit.

Plymouth weather in August

In August, Plymouth averages a high of 20°C and a low of 13°C. It gets 79 mm of precipitation over about 17 rainy days. The sun is out about 34% of daylight hours. The August record high is 33°C (2022) and the record low is 6°C (1970). August is one of the most comfortable months to visit.

Plymouth weather in September

In September, Plymouth averages a high of 18°C and a low of 12°C. It gets 72 mm of precipitation over about 17 rainy days. The sun is out about 35% of daylight hours. The September record high is 28°C (2021) and the record low is 2°C (1974). September is one of the most comfortable months to visit.

Plymouth weather in October

In October, Plymouth averages a high of 15°C and a low of 9°C. It gets 110 mm of precipitation over about 21 rainy days. The sun is out about 28% of daylight hours. The October record high is 23°C (2011) and the record low is -1°C (2018).

Plymouth weather in November

In November, Plymouth averages a high of 12°C and a low of 7°C. It gets 119 mm of precipitation over about 22 rainy days. The sun is out about 26% of daylight hours. The November record high is 18°C (2025) and the record low is -4°C (2010).

Plymouth weather in December

In December, Plymouth averages a high of 10°C and a low of 4°C. It gets 125 mm of precipitation over about 21 rainy days. The sun is out about 24% of daylight hours. The December record high is 16°C (1985) and the record low is -6°C (2010).

Sunshine, humidity and wind in Plymouth

April is the sunniest month in Plymouth, with sunshine about 39% of daylight hours. December is the cloudiest, at 24%. Over the year the sun shines about 32% of daylight hours. Plymouth is sunnier than 76% of the UK.

Humidity peaks in October at 84% and is lowest in April at 78%.

First and last freeze in Plymouth

The first fall freeze in Plymouth typically comes around November 26, and the last spring freeze around March 19. That leaves a frost-free growing season of about 252 days.

Plymouth weather records

The hottest temperature on record at the Plymouth station is 34°C, on July 17, 2022. The coldest is -9°C, on January 2, 1979.

The wettest day on record brought 58 mm of rain, on March 21, 2013.

36 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.3°C per decade since 1970.

The best time to visit Plymouth

The most comfortable time to visit is typically June to September, when daytime highs sit near 19°C.

Winter (December–February) is chilly, with average highs around 9°C and lows near 4°C.

Spring (March–May) is mild, with average highs around 13°C and lows near 7°C.

Summer (June–August) is mild, with average highs around 20°C and lows near 13°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 15°C and lows near 9°C.

Plymouth climate questions

How much rain does Plymouth get?

Plymouth gets 1033 mm of precipitation in an average year, over about 216 rainy days.

What is the wettest month in Plymouth?

December is the wettest month in Plymouth, with 125 mm. May is the driest, with 60 mm.

How many rainy days does Plymouth have a year?

Plymouth has about 216 days with measurable rain in an average year. November has the most, about 22.

What is the hottest month in Plymouth?

July is the warmest month in Plymouth, with an average high of 20°C.

What is the coldest month in Plymouth?

January is the coldest month in Plymouth, with an average low of 4°C.

What is the record high temperature in Plymouth?

The record high at the Plymouth station is 34°C, set on July 17, 2022. The record low is -9°C, on January 2, 1979.

What is the sunniest month in Plymouth?

April is the sunniest month in Plymouth, with sunshine about 39% of daylight hours. December is the cloudiest.

When is the first frost in Plymouth?

The first fall freeze in Plymouth typically comes around November 26. The last spring freeze is around March 19.

What is the best time to visit Plymouth?

The most comfortable time to visit is typically June to September, when daytime highs sit near 19°C.