December · Ireland
Best time to visit Dublin in December Weather, crowds & prices
Weather in Dublin in December
Average temperature 7°C, 133 mm of rain, about 0 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
3.4/10
Ranked #12 of 12 months
- Avg temp
- 7°C
- Rainfall
- 133 mm
- Humidity
- 91%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Dublin scores 3.4/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 7°C, 133 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Georgian doors, pub sessions, and coastal cliffs feel finest May through September.
December in Dublin: expect compromises
December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 133 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 3.4/10 here, 12th of 12 months, against 8.5/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? June scores 5.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Dublin in December?
- In December, Dublin averages 7°C, 133 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 3.4/10.
- Is December a good time to visit Dublin?
- December earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Dublin in December?
- Expect about 133 mm of rain in December. Average humidity is 91% and there are about 0 days with 6+ hours of sunshine.
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