Plymouth Weather & Climate: Best Time to Visit

The climate in Plymouth experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in August to a chilly 10°C (50°F) in the coolest month, February.

Nights vary from 14°C (57°F) in August to around 5°C (41°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Plymouth has a notably wet climate with abundant precipitation, recording 1013 mm (40 in) of rainfall per year. Precipitation levels in Plymouth remain relatively steady throughout the year. December has the most rain, with 107 mm (4.2 in) over 20 days. In the driest month September, this drops slightly to 68 mm (2.7 in), making the city's climate fairly predictable. For more details, please visit our Plymouth Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

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

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