Falmouth Weather & Climate: Best Time to Visit

The weather in Falmouth changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a pleasant 20°C (68°F) in August to a chilly 11°C (52°F) in February.

Nighttime temperatures range from 14°C (57°F) in August to 6°C (43°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Falmouth receives a reasonable amount of rainfall, with an annual precipitation of 893 mm (35 in). The wettest period in Falmouth occurs in December, which receives around 93 mm (3.7 in) of precipitation. During the driest month, September, Falmouth experiences moderate rainfall, totaling 61 mm (2.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Falmouth Precipitation page.

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

The average number of days each month with precipitation

In Falmouth, summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.2 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine