Average temperatures, rainfall and packing tips for Cardiff, United Kingdom in April
April in Cardiff is typically cool, with average daytime highs around 13°C and nights near 7°C. Temperature-wise it sits mid-range for Cardiff (the 7th warmest month).
April is one of the wetter months in Cardiff, with around 151 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Cardiff are usually June, July and August.
← Cardiff weather tomorrow (live)
In April, Cardiff averages a daytime high of about 13°C and a night-time low of around 7°C, based on recent historical data.
April is one of the wetter months in Cardiff, with around 151 mm of rain - plan around showers.
April is a workable time to visit Cardiff, with cool days - just pack accordingly. If your dates are flexible, the most comfortable months in Cardiff are usually June, July and August.