Weather in Belfast in January
In an average January, Belfast sees a daily high around 7°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 7°C |
|---|---|
| Typical high range | 3°C to 11°C |
| Average low | 3°C |
| Typical low range | 0°C to 7°C |
| Average daily precipitation | 3 mm |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
14°C
2022-01-01
Lowest
-3°C
1987-01-12
Low
Highest
12°C
1998-01-10
Lowest
-6°C
1982-01-11
Feels-like
Highest
12°C
1998-01-10
Lowest
-12°C
1982-01-11
Humidity
Highest
9.6 g/m³
2016-01-24
Lowest
2.7 g/m³
1987-01-12
Wind
Highest
60 km/h
2025-01-24
Lowest
5 km/h
1998-01-27
Gust
Highest
122 km/h
1991-01-05
Lowest
12 km/h
1987-01-24
Precip
Wettest
157 mm
2026
Driest
29 mm
2022
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