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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the WordPatch weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For the most accurate and up-to-date BBC Weather forecast for St Asaph, refer to the live forecast above; it provides hour-by-hour and 10-day projections tailored to this historic city in Denbighshire, North Wales.
What is the typical weather in St Asaph?
St Asaph has a temperate maritime climate typical of North Wales. Winters are cool and damp, with average highs around 7°C, while summers are mild with highs near 19°C. Rainfall is spread throughout the year, but autumn and winter tend to be wetter. Always check the live forecast above for any approaching rain or spells of sunshine.
When is the best time to visit St Asaph?
Late spring (May) and early autumn (September) often bring the most settled weather and fewer crowds. School holidays in July and August see higher visitor numbers and accommodation prices. Pack a waterproof jacket regardless of season, as showers can occur at any time – the live forecast above will help you plan your day.
Is St Asaph often rainy?
Yes, St Asaph receives roughly 1,200 mm of rain per year, with October to January being the wettest months. Always check the live forecast above before setting out, especially if you plan outdoor activities like walking in the nearby Clwydian Range.
When are school holidays in St Asaph?
Welsh school holidays typically run from late July to early September for summer, plus shorter breaks at Easter and half-terms. This period sees higher travel demand and accommodation prices in and around St Asaph.
What is the best month for dry weather?
May tends to be the driest month in St Asaph, with average rainfall around 60 mm. However, North Wales weather can be variable, so rely on the live forecast above for precise conditions during your visit.
Sources
For more UK weather information, see our UK weather hub, the 10 Day Weather Forecast UK, or the nearby Liverpool Weather page.