July is one of the warmest months in Cornwall, with average high temperatures of 19°C and lows of just 14°C. With approximately nine days of rainfall in July, your summer holiday in Cornwall will more than likely be packed with days at the beach.

July offers perfect conditions for exploring scenic trails, like the South West Coast Path, thanks to the long daylight hours and generally dry weather. With warm temperatures and plenty of sunshine, July is an excellent time to enjoy a UK beach holiday.

Cornwall weather in July


Month: July


High/Low (°C): 19° / 14°


Rainfall (Days): 9


Based on monthly weather averages from NOAA.

A sunny day at Newquay Harbour
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