January · United Kingdom
Best time to visit Belfast in January Weather, crowds & prices
Weather in Belfast in January
Average temperature 5°C, 44 mm of rain, about 12 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
6.0/10
Ranked #7 of 12 months
- Avg temp
- 5°C
- Rainfall
- 44 mm
- Humidity
- 85%
- Days with 6h+ sun
- 12
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
January in Belfast scores 6.0/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 5°C, 44 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Belfast's Titanic Quarter, Cathedral Quarter, and political murals trace a shipbuilding city remaking its waterfront.
January in Belfast: mixed conditions, plan around the weather
January averages 5°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 44 mm of rain — occasional showers rather than washed-out days — alongside about 12 days with 6+ hours of sunshine and 8 daylight hours.
It scores 6/10 here, 7th of 12 months, against 8.1/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? June scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Belfast in January?
- In January, Belfast averages 5°C, 44 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 6.0/10.
- Is January a good time to visit Belfast?
- January earns a 6.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Belfast in January?
- Expect about 44 mm of rain in January. Average humidity is 85% and there are about 12 days with 6+ hours of sunshine.
Curated in Belfast
Tickets & experiences
Things to do in Belfast
Belfast, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.