Weather in Portsmouth, England, United Kingdom in August
In an average August, Portsmouth sees a daily high around 23°C and a low around 13°C, based on 1981–2026 of local climate records.
| Average high | 23°C |
|---|---|
| Typical high range | 19°C to 27°C |
| Average low | 13°C |
| Typical low range | 10°C to 16°C |
| Average daily precipitation | 3 mm |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
34°C
2022-08-11
Lowest
15°C
2017-08-30
Low
Highest
20°C
2020-08-13
Lowest
7°C
1986-08-29
Feels-like
Highest
42°C
2003-08-11
Lowest
2°C
2014-08-21
Humidity
Highest
16.0 g/m³
2003-08-11
Lowest
7.2 g/m³
2022-08-06
Wind
Highest
57 km/h
2019-08-10
Lowest
6 km/h
1983-08-23
Precip
Wettest
143 mm
1997
Driest
7 mm
1995
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