January · Ireland
Best time to visit Dublin in January Weather, crowds & prices
Weather in Dublin in January
Average temperature 6°C, 61 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).
January score
4.7/10
Ranked #8 of 12 months
- Avg temp
- 6°C
- Rainfall
- 61 mm
- Humidity
- 91%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
January in Dublin scores 4.7/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 6°C, 61 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.
January in Dublin: expect compromises
Expect 6°C (43°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 7.8 hours of daylight to work around it.
That is 4.7/10 on the same scale — 8th of 12 months, versus 8.5/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Expect mid-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Dublin — 3.8 points higher on the same scale.
Frequently asked
- What is the weather like in Dublin in January?
- In January, Dublin averages 6°C, 61 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.7/10.
- Is January a good time to visit Dublin?
- January earns a 4.7/10 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 January?
- Expect about 61 mm of rain in January. Average humidity is 91% and there are about 0 days with 6+ hours of sunshine.
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