Alderney Weather, climate and geography

Weather & climate

Best time to visit

The island enjoys a temperate climate with warm summers and milder winter temperatures than those experienced in the UK. The most popular holiday season is from April to October, with temperatures averaging 20-21°C (68-70°F). These months give an average of 200 and 260 hours of sunshine. Rainfall is mainly during the cooler months. The sea is 17°C (63°F) on average during the summer.

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