Castleblayney Weather in December

December in Castleblayney brings low temperatures, with daytime highs of 9°C (48°F) and nights around 3°C (37°F). Quite a bit of rainfall is expected, around 84 mm (3.3 in), so pack an umbrella.

Rainfall in Castleblayney in December

Historically, December sees about 19 days of rain, with a monthly average of 84 mm (3.3 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Castleblayney in December

In December, expect low temperatures in Castleblayney, with highs of 9°C (48°F) and lows of 3°C (37°F) at night. The month of December belongs to the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Castleblayney in December

The area experiences limited sunny days, amounting to roughly 39 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

December in Castleblayney 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.

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Check the conditions for any month of the year.

• January
• February
• March
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• September
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• December

For a detailed overview over the year and the best time to visit Ireland, check out our Castleblayney's climate page.

Castleblayney Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 65%  

Precipitation 84 mm (3.3 in)  

Rainy days 19 days  

Humidity 90% *  

Sunshine 39 hours *  

Percentage Sunshine 15% *  

* Data from: Belfast, Ireland (67 KM, 42 Miles).

What to Wear in Castleblayney 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Castleblayney in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Castleblayney's climate page.

More climate data for Castleblayney

Temperature Rainfall Sunshine Humidity

See the full Castleblayney climate overview or explore weather in Ireland.