Weather in Portsmouth, England, United Kingdom in December
In an average December, Portsmouth sees a daily high around 8°C and a low around 3°C, based on 1981–2026 of local climate records.
| Average high | 8°C |
|---|---|
| Typical high range | 4°C to 12°C |
| Average low | 3°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 1981–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
14°C
2024-12-01
Lowest
-1°C
1996-12-31
Low
Highest
12°C
2015-12-26
Lowest
-6°C
1981-12-12
Feels-like
Highest
12°C
2015-12-26
Lowest
-15°C
1981-12-19
Humidity
Highest
10.7 g/m³
2015-12-16
Lowest
3.2 g/m³
1996-12-31
Wind
Highest
74 km/h
2013-12-24
Lowest
6 km/h
2016-12-30
Precip
Wettest
150 mm
2012
Driest
22 mm
1988
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