Weather in Belfast, Northern Ireland, United Kingdom in January
In an average January, Belfast sees a daily high around 7°C and a low around 4°C, based on 1981–2026 of local climate records.
| Average high | 7°C |
|---|---|
| Typical high range | 4°C to 10°C |
| Average low | 4°C |
| Typical low range | 2°C to 7°C |
| Average daily precipitation | 3 mm |
January records
The most extreme January on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
13°C
2015-01-09
Lowest
-2°C
1987-01-12
Low
Highest
10°C
1998-01-09
Lowest
-3°C
1987-01-13
Feels-like
Highest
10°C
1998-01-09
Lowest
-11°C
1987-01-13
Humidity
Highest
9.3 g/m³
1998-01-10
Lowest
3.3 g/m³
1987-01-12
Wind
Highest
104 km/h
2025-01-24
Lowest
6 km/h
1997-01-29
Precip
Wettest
166 mm
2008
Driest
30 mm
1997
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