December weather forecast
Clifden, Ireland

December in Clifden welcomes winter in its full glory with noticeably colder temperatures. The overall weather conditions become significantly wintry as shorter daylight hours set in with approximately 7.6 hours of daylight. Longer nights dominate, being punctuated by short periods of daily sunshine. Precipitation tends to be more frequent, clothed in the characteristic December chill. The month rounds off the year with a classic Irish winter feel, complete with cloudy skies and crisp, cool days.

Temperature

January, February and December, with an average high-temperature of 9°C (48.2°F), are the coldest months in Clifden, Ireland.

Rainfall

In Clifden, in December, during 24 rainfall days, 124mm (4.88") of precipitation is typically accumulated. Throughout the year, there are 248 rainfall days, and 1202mm (47.32") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 10.8°C (51.4°F).
Note: It is advised against swimming in 10.8°C (51.4°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

With an average of 7h and 36min of daylight, December has the shortest days of the year in Clifden.
On the first day of the month, sunrise is at 8:33 am and sunset at 4:24 pm. On the last day of December, sunrise is at 8:55 am and sunset at 4:30 pm GMT.

Sunshine

With an average of 1h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index in Clifden. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 0 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.