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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the StoryShift weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Swansea, the live forecast above gives the immediate conditions, but this coastal city is known for mild, changeable weather year-round. The best months for a visit are May to September, when temperatures are warmest and rainfall lowest – though you should still pack layers and a waterproof jacket even in summer.
What is the best time to visit Swansea?
Late spring through early autumn offers the most reliable weather for exploring the Gower Peninsula and Swansea Bay. July and August are the warmest months, with average highs around 19–20°C, but they also see the highest visitor numbers and school holidays. For a quieter trip, consider late May or June, when the met office weather swansea data shows lower rainfall and longer daylight hours. The 14 day weather forecast in swansea from the Met Office can help you plan ahead, especially for outdoor activities.
What should I pack for a trip to Swansea?
Even in summer, a light waterproof jacket is essential – Swansea’s maritime climate means showers can arrive unexpectedly. In winter, pack a warm coat, hat and gloves, as temperatures hover around 5–8°C. Comfortable walking shoes are recommended year-round for coastal paths. For precise planning, check the weather in swansea tomorrow or the 15 day weather forecast swansea before you travel.
Is Swansea usually rainy?
Yes, Swansea receives around 1,200 mm of rain annually, spread fairly evenly through the year. However, showers tend to be short-lived, and many days have a mix of sun and cloud. The bbc weather swansea met office forecast often shows bright intervals after rain.
When are school holidays in Swansea?
School holidays in Swansea follow the Welsh academic calendar. Summer holidays run from late July to early September, with half-terms in late October, February and May. These periods see higher demand and prices for accommodation.
What is the sea temperature in summer?
Sea temperatures around Swansea Bay peak at about 16–17°C in August. It’s refreshing for a swim, but a wetsuit is advisable for extended time in the water. The weather in swansea 10 days forecast can help you choose the calmest days for beach trips.
For more UK destinations, see our UK weather hub or check the 10 day weather forecast UK for other regions.