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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 ·
Criccieth’s weather is shaped by its position on the Llyn Peninsula, bringing mild winters, cool summers and frequent rain. The live forecast above gives the immediate outlook; for longer planning, the Met Office and BBC Weather for Criccieth are reliable sources.
When is the best time to visit Criccieth?
Late spring to early autumn (May–September) offers the mildest temperatures and the highest chance of dry spells. July and August are the busiest months due to school holidays, so book accommodation early. Pack a waterproof jacket and layers even in summer – conditions can shift quickly, especially near the coast.
What should I pack for a trip to Criccieth?
A waterproof coat is essential year-round. In summer, light layers and a fleece for cooler evenings work well; in winter, add a warm hat, gloves and a windproof outer layer. Comfortable walking shoes are a must for exploring the castle and coastal paths. Sunscreen is useful on bright days, even when it’s cool.
Is Criccieth weather often rainy?
Yes – Criccieth receives around 1,200mm of rain annually, with autumn and winter being wettest. Showers can occur any time, so always carry a waterproof. The live forecast above helps you plan day trips.
What is the sea temperature like near Criccieth?
Sea temperatures peak at about 16°C in August and drop to 8°C in February. Swimming is possible in summer but a wetsuit is recommended. The nearby beaches are popular for walks regardless of the season.
Does Criccieth get snow?
Snow is rare on the coast – typically only a few days a year. When it does fall, it seldom settles for long. For hillwalkers, the higher ground of Snowdonia, a short drive away, gets more regular snowfall in winter.
For a broader picture, see our UK weather hub or check the 10 day weather forecast UK. For other coastal spots, compare with Bristol Weather.