Weather in Portsmouth, England, United Kingdom in May
In an average May, Portsmouth sees a daily high around 16°C and a low around 7°C, based on 1981–2026 of local climate records.
| Average high | 16°C |
|---|---|
| Typical high range | 13°C to 21°C |
| Average low | 7°C |
| Typical low range | 4°C to 10°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
29°C
2026-05-26
Lowest
7°C
1996-05-18
Low
Highest
15°C
2026-05-27
Lowest
0°C
1996-05-04
Feels-like
Highest
33°C
2026-05-26
Lowest
-7°C
1981-05-03
Humidity
Highest
13.8 g/m³
1998-05-14
Lowest
4.5 g/m³
1996-05-04
Wind
Highest
58 km/h
2021-05-03
Lowest
6 km/h
2004-05-24
Precip
Wettest
116 mm
2007
Driest
4 mm
2020
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