Weather in Cardiff, Wales, United Kingdom in March
In an average March, Cardiff sees a daily high around 10°C and a low around 4°C, based on 1981–2026 of local climate records.
| Average high | 10°C |
|---|---|
| Typical high range | 6°C to 12°C |
| Average low | 4°C |
| Typical low range | 0°C to 7°C |
| Average daily precipitation | 3 mm |
March records
The most extreme March on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
18°C
2021-03-31
Lowest
-1°C
2018-03-01
Low
Highest
10°C
2017-03-29
Lowest
-6°C
2018-03-01
Feels-like
Highest
10°C
2017-03-29
Lowest
-16°C
2018-03-01
Humidity
Highest
9.7 g/m³
1981-03-10
Lowest
3.4 g/m³
2018-03-01
Wind
Highest
70 km/h
1987-03-27
Lowest
6 km/h
2016-03-11
Precip
Wettest
140 mm
2023
Driest
16 mm
2025
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