Swanwick Weather & Climate: Best Time to Visit

Visitors to Swanwick can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 22°C (72°F) in July to a chilly 8°C (46°F) in January.

Nighttime temperatures range from 12°C (54°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Swanwick experiences moderate precipitation patterns, averaging 795 mm (31 in) yearly. The wettest period in Swanwick occurs in June, which receives around 77 mm (3 in) of precipitation. During the driest month, March, Swanwick experiences moderate rainfall, totaling 55 mm (2.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Swanwick Precipitation page.

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

The average number of days each month with precipitation

In Swanwick, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in May. 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

The city experiences its highest humidity in December, reaching 90%. In July, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year