Boscastle Weather & Climate: Best Time to Visit

The climate in Boscastle experiences moderate temperature changes, with mild shifts between seasons. Average daytime temperatures reach a pleasant 20°C (68°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 14°C (57°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Boscastle has a notably wet climate with abundant precipitation, recording 1134 mm (45 in) of rainfall per year. Despite minor fluctuations, Boscastle enjoys fairly consistent precipitation throughout the year. In December, you can expect around 123 mm (4.8 in) of precipitation, while in May, Boscastle receives about 76 mm (3 in). For more details, please visit our Boscastle Precipitation page.

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

The average number of days each month with precipitation

Boscastle can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine