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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Castletownbere's climate page.
Castletownbere Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
11°C (52°F)
Chance of Rain
78%
Precipitation
171 mm (6.7 in)
Rainy days
23 days
Humidity
80% *
Sunshine
40 hours *
Percentage Sunshine
17% *
Best Places in Ireland in December
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Castletownbere in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Castletownbere in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Castletownbere's climate page.
Temperature Rainfall Sunshine Humidity
See the full Castletownbere climate overview or explore weather in Ireland.
