Killorglin Weather in December
Thinking of visiting Killorglin in December? Expect low temperatures reaching 10°C (50°F) during the day, dropping to 4°C (39°F) at night, and be prepared for the wettest month of the year.
Rainfall in Killorglin in December
During the wettest month of the year, an umbrella can be your best friend to stay dry. Analyzing past climate data, one can expect approximately 23 days of rain, averaging 136 mm (5.4 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Killorglin in December
In December, expect low temperatures in Killorglin, with highs of 10°C (50°F) and lows of 4°C (39°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. 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 Killorglin 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.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Killorglin. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Killorglin's climate page.
Killorglin Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
78%
Precipitation
136 mm (5.4 in)
Rainy days
23 days
Humidity
80% *
Sunshine
40 hours *
Percentage Sunshine
17% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Killorglin typically stay consistent throughout December, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Killorglin in December
Browse day-by-day weather records for Killorglin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Killorglin historical weather extremes in December
Our historical data for Killorglin spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 9, 2025, with a maximum of 16°C (61°F).
- The coldest December day was on December 21, 2010, with a maximum of 0°C (32°F).
- The lowest overnight temperature recorded in December was -8°C (18°F) (December 12, 2022).
- Peak precipitation in December occurred on December 2, 2005, when 54 mm (2.1 in) of precipitation was measured.
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 →
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What to Wear in Killorglin in December
Dress warmly and in layers for your trip to Killorglin in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Killorglin 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 Killorglin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Killorglin climate overview or explore weather in Ireland.
