Weather in Cardiff in January
In an average January, Cardiff sees a daily high around 7°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 7°C |
|---|---|
| Typical high range | 3°C to 11°C |
| Average low | 3°C |
| Typical low range | -1°C to 8°C |
| Average daily precipitation | 3 mm |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
13°C
2022-01-01
Lowest
-6°C
1987-01-12
Low
Highest
11°C
2022-01-01
Lowest
-10°C
1982-01-14
Feels-like
Highest
11°C
2022-01-01
Lowest
-18°C
1987-01-13
Humidity
Highest
9.9 g/m³
2016-01-24
Lowest
2.2 g/m³
1987-01-12
Wind
Highest
73 km/h
1990-01-25
Lowest
2 km/h
2000-01-26
Gust
Highest
150 km/h
1990-01-25
Lowest
9 km/h
2020-01-24
Precip
Wettest
186 mm
2026
Driest
20 mm
1997
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