Weather in Cardiff in July
In an average July, Cardiff sees a daily high around 19°C and a low around 12°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 16°C to 25°C |
| Average low | 12°C |
| Typical low range | 9°C to 15°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
33°C
2022-07-18
Lowest
12°C
2004-07-08
Low
Highest
20°C
2026-07-11
Lowest
4°C
2015-07-31
Feels-like
Highest
36°C
2016-07-19
Lowest
1°C
2015-07-31
Humidity
Highest
15.3 g/m³
1983-07-13
Lowest
7.0 g/m³
1984-07-03
Wind
Highest
40 km/h
1985-07-22
Lowest
4 km/h
1992-07-08
Gust
Highest
85 km/h
2010-07-15
Lowest
14 km/h
2005-07-31
Precip
Wettest
234 mm
2007
Driest
1 mm
2026
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