Weather in Belfast in December
In an average December, Belfast sees a daily high around 8°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 8°C |
|---|---|
| Typical high range | 4°C to 12°C |
| Average low | 3°C |
| Typical low range | 0°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
15°C
2016-12-07
Lowest
-6°C
2010-12-21
Low
Highest
13°C
1994-12-11
Lowest
-11°C
2010-12-20
Feels-like
Highest
13°C
1994-12-11
Lowest
-16°C
2010-12-21
Humidity
Highest
10.5 g/m³
1994-12-11
Lowest
2.5 g/m³
2010-12-21
Wind
Highest
58 km/h
1998-12-26
Lowest
5 km/h
2005-12-25
Gust
Highest
126 km/h
1998-12-26
Lowest
11 km/h
1998-12-02
Precip
Wettest
175 mm
2015
Driest
40 mm
2010
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