Swanage Weather & Climate: Best Time to Visit

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

Nighttime temperatures range from 15°C (59°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Swanage has a moderate amount of precipitation, averaging 915 mm (36 in) of rainfall annually. The seasons in Swanage bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 114 mm (4.5 in) of precipitation. This rainfall is distributed across 16 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 52 mm (2 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Swanage Precipitation page.

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

The average number of days each month with precipitation

In Swanage, summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in January, reaching 91%. In April, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year