The British weather is renown throughout the world for being very interchangeable & unpredictable, though if you enjoy warm sunny weather then the best time to visit Newquay is between June - September.
Weather in Newquay.
Temperatures in Newquay range from 1.45 to 22.45 (Celcius).
Temperature
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Rainfall in Newquay varies from 111.0 to 255.0 (mm/month).