The weather in Cardiff in March is very cold with temperatures between 4°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cardiff during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Cardiff can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in Cardiff in March 2025.
If you’re planning to visit Cardiff in the near future, we highly recommend that you review the 14 day weather forecast for Cardiff before you arrive.
Temperatures
10° / 4°
Rainy Days
6
Snowy Days
1
Dry Days
24
Rainfall
62
mm
Sun Hours
8.0
Hrs
