Weather in Swansea in August
In an average August, Swansea sees a daily high around 18°C and a low around 15°C, based on 1980–2026 of local climate records.
| Average high | 18°C |
|---|---|
| Typical high range | 16°C to 21°C |
| Average low | 15°C |
| Typical low range | 13°C to 17°C |
| Average daily precipitation | 3 mm |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
26°C
1995-08-02
Lowest
13°C
1986-08-29
Low
Highest
21°C
1995-08-02
Lowest
10°C
1986-08-31
Feels-like
Highest
26°C
1995-08-02
Lowest
10°C
1986-08-31
Humidity
Highest
16.4 g/m³
2003-08-09
Lowest
7.7 g/m³
1987-08-05
Wind
Highest
60 km/h
2020-08-25
Lowest
7 km/h
1997-08-15
Gust
Highest
95 km/h
2020-08-25
Lowest
13 km/h
1988-08-06
Precip
Wettest
232 mm
1992
Driest
9 mm
1995
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