Weather in Cardiff in March
In an average March, Cardiff sees a daily high around 9°C and a low around 4°C, based on 1980–2026 of local climate records.
| Average high | 9°C |
|---|---|
| Typical high range | 6°C to 12°C |
| Average low | 4°C |
| Typical low range | 1°C to 8°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
18°C
2021-03-30
Lowest
-2°C
2018-03-01
Low
Highest
11°C
2017-03-30
Lowest
-5°C
2018-03-01
Feels-like
Highest
11°C
2017-03-30
Lowest
-15°C
2018-03-01
Humidity
Highest
9.6 g/m³
2017-03-29
Lowest
3.1 g/m³
2013-03-11
Wind
Highest
61 km/h
1987-03-27
Lowest
4 km/h
2016-03-11
Gust
Highest
113 km/h
1995-03-17
Lowest
11 km/h
2025-03-01
Precip
Wettest
178 mm
1981
Driest
19 mm
2011
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