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Weather by month in Cornwall

Cornwall is a region in the United Kingdom. Many people wonder what the weather conditions are in Cornwall over the year. What is the best time to visit Cornwall?

This page shows the average weather conditions by month in Cornwall over the year in: January, February, March, April, May, June, July, August, September, October, November, December.


Cornwall in January

In January the weather in Cornwall ranges from poor in St Austell to unpleasant in Newquay. January is a winter month. The average maximum daytime temperatures are low and range from 9°C in Gunnislake to 11°C in Sennen.

Find more detailed climate information for Cornwall in January here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in February

In February the weather in Cornwall ranges from poor in Newquay to unpleasant in Penzance. February is a winter month. In Newquay you can expect cold maximum average daytime temperatures around 10°C and nighttime temperatures around 5°C. On average, this month is the coldest month of the year in Cornwall.

Find more detailed climate information for Cornwall in February here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in March

In March the weather in Cornwall is generally unpleasant. In Newquay you can expect cold maximum average daytime temperatures around 12°C and nighttime temperatures around 6°C.

Find more detailed climate information for Cornwall in March here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in April

In April the weather in Cornwall is generally unpleasant. In Newquay you can expect mild maximum average daytime temperatures around 13°C and nighttime temperatures around 7°C.

Find more detailed climate information for Cornwall in April here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in May

In May the weather in Cornwall is generally tolerable. The average maximum daytime temperatures are moderate and range from 14°C in Sennen to 17°C in Truro.

Find more detailed climate information for Cornwall in May here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in June

In June the weather in Cornwall ranges from tolerable in Penzance to pleasant in Newquay. The temperatures range from moderate in Sennen with 16°C to pleasant in Truro with 19°C.

Find more detailed climate information for Cornwall in June here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in July

In July the weather in Cornwall ranges from pleasant in Penzance to perfect in Newquay. July is a summer month. The average maximum daytime temperatures are pleasant and range from 18°C in Sennen to 21°C in Truro.

Find more detailed climate information for Cornwall in July here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in August

In August the weather in Cornwall ranges from pleasant in Penzance to perfect in Newquay. August is a summer month. The average maximum daytime temperatures are pleasant and range from 19°C in St Just to 21°C in Truro. On average, this month is the warmest month of the year in Cornwall.

Find more detailed climate information for Cornwall in August here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in September

In September the weather in Cornwall is generally pleasant. September is a summer month. In Newquay you can expect pleasant maximum average daytime temperatures around 19°C and nighttime temperatures around 13°C.

Find more detailed climate information for Cornwall in September here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in October

In October the weather in Cornwall ranges from unpleasant in Penzance to tolerable in Newquay. In Newquay you can expect mild maximum average daytime temperatures around 16°C and nighttime temperatures around 11°C.

Find more detailed climate information for Cornwall in October here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in November

In November the weather in Cornwall ranges from poor in Newquay to unpleasant in Falmouth. In Newquay you can expect mild maximum average daytime temperatures around 13°C and nighttime temperatures around 8°C.

Find more detailed climate information for Cornwall in November here.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).


Cornwall in December

In December the weather in Cornwall ranges from poor in Newquay to unpleasant in Falmouth. December is a winter month. The temperatures range from low in Gunnislake with 10°C to moderate in St Just with 12°C.

Find more detailed climate information for Cornwall in December here.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).