Is Belfast hot in January?
Days are typically cold at 8.1°C, while nights average 2.5°C.
United Kingdom · 1991–2020 normal
Belfast in
January.
Typical January weather in Belfast: 8.1°C by day, 2.5°C at night, 89 mm of rain over 15.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.1°C
Typical low2.5°C
Rain89 mm
Wet days15.1
In the year-round weather comparison, January scores 6 out of 100 (July leads the year at 64). Daylight is calculated as 7 h 48 from latitude 54.60°. Open-water sea temperature is 9.0°C (31 km from the place centre).
January at a glance
What is Belfast like in January?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 89 mm across about 15 wet days.
How much daylight is there?
There are about 7 h 48 between sunrise and sunset at mid-month, calculated from the place latitude.
Is January a good time to visit?
January ranks 12 of 12 in our weather comparison; July ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2655984
- NOAA station
- UKE00105877 · STORMONT CASTLE
- Station distance
- 6.3 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Belfast is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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