Weather in Swansea in July
In an average July, Swansea sees a daily high around 18°C and a low around 14°C, based on 1980–2026 of local climate records.
| Average high | 18°C |
|---|---|
| Typical high range | 15°C to 21°C |
| Average low | 14°C |
| Typical low range | 12°C to 16°C |
| Average daily precipitation | 3 mm |
July records
The most extreme July on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total July accumulation.
High
Highest
28°C
2026-07-10
Lowest
12°C
1997-07-02
Low
Highest
20°C
1983-07-13
Lowest
9°C
1996-07-07
Feels-like
Highest
32°C
2026-07-10
Lowest
6°C
1996-07-07
Humidity
Highest
16.2 g/m³
2026-07-10
Lowest
7.5 g/m³
2001-07-16
Wind
Highest
53 km/h
1990-07-05
Lowest
6 km/h
2021-07-19
Gust
Highest
79 km/h
1990-07-05
Lowest
11 km/h
2021-07-19
Precip
Wettest
229 mm
2009
Driest
14 mm
1983
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