Weather in Killarney in December
Killarney, Ireland averages a high of 8.9°C (48°F) and low of 4.5°C (40.1°F) in December, with 16 rain days and 3.6 hours of daily sunshine. Travel score: 38.5/100 (Poor). The best time to visit Killarney is July.
High
9°C48°F
Low
5°C40°F
🌧️
16
rain days
☀️
3.6
hrs/day sunshine
💧
89%
humidity
39— Poor
December in Killarney is cool and rainy — challenging weather conditions.
What are the average temperatures in Killarney?
How much does it rain in Killarney in December?
Killarney receives an average of 127.1mm of rainfall across 16 rainy days in December. The annual total is 1237.2mm.
What should I pack for Killarney in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 9°C
🧶
Sweaters and warm layers
Layer up for comfort
🧥
Waterproof jacket
Frequent rain expected (16 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧤
Warm gloves
Cold nights around 5°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Ireland in December?
Don't miss any public holidays — check before you book!
Compare Killarney
Popular comparisons:
How can I plan my trip to Killarney?
What other cities are near Killarney?
What are other popular cities in Ireland?
What is the weather like in other months in Killarney?
Data based on 1994–2024 averages · Last updated: 2024-12-31