Weather in Belfast in December
In an average December, Belfast sees a daily high around 8°C and a low around 4°C, based on 1980–2026 of local climate records.
| Average high | 8°C |
|---|---|
| Typical high range | 4°C to 12°C |
| Average low | 4°C |
| Typical low range | 1°C to 8°C |
| Average daily precipitation | 3 mm |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
14°C
2016-12-07
Lowest
-4°C
2010-12-21
Low
Highest
13°C
1994-12-11
Lowest
-10°C
2010-12-25
Feels-like
Highest
13°C
1994-12-11
Lowest
-16°C
2010-12-25
Humidity
Highest
10.4 g/m³
1994-12-11
Lowest
2.8 g/m³
2010-12-25
Wind
Highest
60 km/h
1998-12-26
Lowest
5 km/h
2005-12-25
Gust
Highest
119 km/h
2013-12-26
Lowest
10 km/h
1998-12-02
Precip
Wettest
181 mm
2015
Driest
49 mm
2010
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