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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Burnham-on-Sea’s weather is typical of a temperate maritime climate—mild winters and cool summers, with frequent breezes off the Bristol Channel. For the most reliable 14-day outlook, check the BBC Weather page for Burnham-on-Sea; the data there updates hourly and provides a useful planning tool for short breaks and longer stays.
Seasonal weather in Burnham-on-Sea
Spring (March–May) sees temperatures climbing from about 9°C to 15°C, with increasing sunshine but still a chance of showers. Summer (June–August) is the peak season; July averages 21°C, though sea breezes can make it feel cooler on the beach. Autumn brings unsettled conditions and stronger winds, while winter lows rarely drop below 2°C. The 14-day forecast from BBC Weather gives a solid indication of any incoming Atlantic systems.
What to pack for Burnham-on-Sea
Layers are essential—coastal weather can shift quickly. A waterproof jacket is useful year-round, and sturdy footwear is recommended for walks across the mudflats and sand. In summer, bring sun protection and a light jumper for the evening. Packing for variability means you’ll be comfortable whether you’re exploring the dunes or heading inland to nearby Bristol.
How accurate is the 14-day forecast for Burnham-on-Sea?
For a coastal town like Burnham-on-Sea, forecasts beyond five or six days have more uncertainty due to shifting wind patterns and Atlantic pressure systems. BBC Weather’s 14-day outlook provides a useful trend, but always check the live forecast above for the most recent updates.
Is Burnham-on-Sea often windy?
Yes, especially in autumn and winter when low-pressure systems sweep across the Bristol Channel. Wind speeds can exceed 30 mph, making the area popular for windsurfing. Summer evenings tend to be calmer, though a light breeze is common.
When is the best time to visit Burnham-on-Sea for good weather?
Late May through September offers the most reliable warmth and daylight. July and August have the highest temperatures, but also the largest crowds. For a quieter trip with still-pleasant conditions, consider June or early September.
For a broader look at conditions across the UK, see our UK weather hub, or check the 10-day weather forecast for other destinations.