Castletownbere Weather in December

December in Castletownbere averages 11°C (52°F) during the day and 6°C (43°F) at night. It is the wettest month of the year, with 171 mm (6.7 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Castletownbere in December

Expect frequent, heavy rain this month, marking the peak rainfall period. A poncho will help protect you from getting soaked. Typically around 23 days of rainfall are expected, averaging 171 mm (6.7 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Castletownbere in December

If you're visiting Castletownbere in December, expect highs of 11°C (52°F) and overnight lows around 6°C (43°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Castletownbere in December

The area experiences limited sunny days, amounting to roughly 40 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

December in Castletownbere has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.