Climate guide for Cornwall, United Kingdom

Best Time to Visit
Cornwall

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About Cornwall

Cornwall is a premier global destination in United Kingdom, renowned for its unique natural beauty, rich culture, and world-class travel experiences. Rugged southwestern English peninsula of surf beaches, Eden Project, and St Ives.

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Travel Tips

Best time to visit Cornwall
Check seasonal weather curves and book accommodations early for Cornwall.

Things to do in Cornwall

Cornwall, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Cornwall, United Kingdom?
The best months to visit Cornwall are April, May, September, October. April is the single peak month with a climate score of 9.2/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Cornwall year-round?
Cornwall has a beach and coastal climate profile. Average monthly temperatures range from 11°C in January to 38°C in July, with climate scores between 7.5 and 9.2 out of 10.
Which months should I avoid in Cornwall?
The lowest-scoring months in Cornwall are January (7.5/10), February (7.5/10), March (7.5/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Cornwall?
January is the wettest month in Cornwall, averaging about 75 mm of rainfall. June is the driest, at roughly 35 mm.
Which is the sunniest month in Cornwall?
January sees the most sun in Cornwall, with about 20 sunny days on average - ideal for outdoor plans.
Is Cornwall good for beach and coastal travel?
Cornwall is profiled as a beach and coastal destination in United Kingdom, United Kingdom. Its highest-scoring window (April, May, September, October) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Cornwall calculated?
Each month is rated 0-10 using ERA5 climate normals for Cornwall: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a beach and coastal trip.

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