Weather in Cardiff in March
In an average March, Cardiff sees a daily high around 9°C and a low around 3°C, based on 1980–2026 of local climate records.
| Average high | 9°C |
|---|---|
| Typical high range | 5°C to 12°C |
| Average low | 3°C |
| Typical low range | -1°C to 7°C |
| Average daily precipitation | 3 mm |
March records
The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
19°C
2021-03-30
Lowest
-4°C
2018-03-01
Low
Highest
11°C
2017-03-30
Lowest
-8°C
1986-03-03
Feels-like
Highest
11°C
2017-03-30
Lowest
-17°C
2018-03-01
Humidity
Highest
9.7 g/m³
2017-03-30
Lowest
2.8 g/m³
2018-03-01
Wind
Highest
49 km/h
1987-03-27
Lowest
4 km/h
2009-03-31
Gust
Highest
120 km/h
1987-03-27
Lowest
13 km/h
1995-03-13
Precip
Wettest
206 mm
1981
Driest
20 mm
2011
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