Plymouth Weather and Climate: A Comprehensive Guide
Temperatures in Plymouth experience a moderate degree of variance through the seasons.
Days can be pleasant, while the cooler months tend
to be cold.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Plymouth experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 20°C in August to a chilly 10°C in the coolest month, February.
Nights are cooler, with lows often dropping to around 5°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Plymouth has a notably wet climate with abundant precipitation, recording 1013 mm of rainfall per year. Precipitation levels in Plymouth remain relatively steady throughout the year. December has the most rain, with 107 mm over 20 days. In September, this drops slightly to 68 mm, making the city's climate fairly predictable.
The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Plymouth serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.4 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in January, reaching 86%. In May, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Plymouth
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Plymouth in the United Kingdom
Other facts from our historical weather data:August has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 10°C.
December tops the wettest month list with 107 mm of rainfall.
September is the driest month with 68 mm of precipitation.
May is the sunniest month with an average of 222 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.