Caernarfon Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Caernarfon, Gwynedd, United Kingdom. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

If you're visiting Caernarfon, timing is key. In May, you can enjoy up to 169 hours of sunshine, while the shorter days of December provide just 26 hours. The total annual amount of sun is 1192 hours.

Daily hours of sunshine

For those who appreciate different seasons, Caernarfon serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 5.6 hours of sunshine daily, and embrace the darker days in December, offering only 0.9 hours of daily sunlight.

Caernarfon enjoys an average of 1192 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

December, Caernarfon’s wettest month, receives 94 mm (3.7 in) of rainfall and has a maximum daytime temperature of 10°C (50°F). During the driest month May you can expect a temperature of 15°C (59°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Caernarfon Precipitation page.