Deganwy Weather & Climate: Best Time to Visit

In Deganwy, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in February.

Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Deganwy experiences significant rainfall throughout the year, averaging 1083 mm (43 in) of precipitation annually. The wettest period in Deganwy occurs in December, which receives around 109 mm (4.3 in) of precipitation. During the driest month, May, Deganwy experiences moderate rainfall, totaling 77 mm (3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Deganwy Precipitation page.

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

The average number of days each month with precipitation

In Deganwy, summer days are longer and more sunny, with daily sunshine hours peaking at 5.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.9 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine