When holidaying in Cornwall in the summer you could be forgiven for thinking you’re abroad, from the sunshine and warm temperatures to the blue skies and just-as-blue waters. The weather in Cornwall in August has high average temperatures of 19°C and lows of only 14°C.

Pack your swimwear and shorts, as Cornwall in August is one of the best places to spend the British summer. August is a busy month for outdoor events and festivals in Cornwall, including agricultural shows, food festivals, music concerts and arts events. Overall, August in Cornwall offers warm and sunny weather creating the perfect environment for a wealth of things to do.

Cornwall weather in August


Month: August


High/Low (°C): 19° / 14°


Rainfall (Days): 10


Based on monthly weather averages from NOAA.

Surfers at sunset in Newquay
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