Average temperatures, rainfall and packing tips for Swansea, United Kingdom in March
March in Swansea is typically cool, with average daytime highs around 11°C and nights near 5°C. Temperature-wise it sits mid-range for Swansea (the 9th warmest month).
March is one of the wetter months in Swansea, with around 196 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Swansea are usually July and August.
← Swansea weather tomorrow (live)
In March, Swansea averages a daytime high of about 11°C and a night-time low of around 5°C, based on recent historical data.
March is one of the wetter months in Swansea, with around 196 mm of rain - plan around showers.
March is a workable time to visit Swansea, with cool days - just pack accordingly. If your dates are flexible, the most comfortable months in Swansea are usually July and August.