Roscommon Weather in December
December in Roscommon brings low temperatures, with daytime highs of 9°C (48°F) and nights around 4°C (39°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Roscommon in December
It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Looking at the last 30 years, the data shows about 21 days with rain, averaging 100 mm (3.9 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 Roscommon in December
Daytime highs in Roscommon in December reach 9°C (48°F), with nights around 4°C (39°F). During December, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Roscommon in December
The month is characterized by fewer sunny days, with roughly 35 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.December in Roscommon can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, 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 Roscommon's climate page.
Roscommon Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
9°C (48°F)
Chance of Rain
69%
Precipitation
100 mm (3.9 in)
Rainy days
21 days
Humidity
90% *
Sunshine
35 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 Roscommon in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Roscommon 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 Roscommon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Roscommon climate overview or explore weather in Ireland.
