Cardiff Weather in March
10.2°C high · 3.6°C low · 85 mm rain · 4h sun
Mar is a cool month in Cardiff — not peak season, but a good time to avoid crowds.
March at a glance
| Metric | Value |
|---|---|
| Average high | 10.2°C |
| Average low | 3.6°C |
| Rainfall | 85 mm |
| Sunshine | 4 hours/day |
| Daylight | 11.5 hours |
What to pack in March
Pack a warm coat and layers for Cardiff in March.
Cardiff weather by month
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Frequently asked questions
What is the weather in Cardiff in March?
Highs of 10.2°C and lows of 3.6°C, with about 85 mm of rain and 4 hours of sunshine per day.
Is March a good time to visit Cardiff?
Mar is a cool month in Cardiff — not peak season, but a good time to avoid crowds.
What to do in Cardiff · Best time to visit Cardiff
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.