December weather forecast
Sligo, Ireland

December in Sligo is characterized by the arrival of winter in full force. With temperatures stretching from 8°C (46.4°F) high readings down to 2°C (35.6°F) lows, outdoor activities take a backseat. Torrents of rain measuring 126mm (4.96") add to the winter palette with frequent showers. The relatively short days and scarce sunshine contribute to the city's winter tableau. The sea cools further to 10°C (50°F), rendering frosty dip more of an endurance challenge than a pleasure. As the year concludes, the UV index drops to its annual low, indicating minimal sun exposure.

Temperature

December's onset sees an average high-temperature of a still chilly 8°C (46.4°F), exhibiting a slight fluctuation from the previous month. In the month of December, an average of 2°C (35.6°F) marks the low-temperature in Sligo.

Rainfall

In Sligo, Ireland, during December, the rain falls for 23 days and regularly aggregates up to 126mm (4.96") of precipitation. In Sligo, during the entire year, the rain falls for 247 days and collects up to 1260mm (49.61") of precipitation.

Sea temperature

In Sligo, Ireland, in December, the average water temperature is 10°C (50°F).
Note: Swimming in 10°C (50°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

December has the shortest days of the year, with an average of 7h and 24min of daylight.
On the first day of the month, sunrise is at 8:31 am and sunset at 4:14 pm. On the last day of December, sunrise is at 8:54 am and sunset at 4:19 pm GMT.

Sunshine

The months with the least sunshine are January and December, with an average of 1h of sunshine.

UV index

January and December, with an average maximum UV index of 0, are months with the lowest UV index in Sligo. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 0 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.