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Temperatures in August
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Temperature in Cornwall in August

Cornwall is a region in the United Kingdom. In August the average maximum daytime temperatures are pleasant and range from 19°C in St Just to 21°C in Truro. Nighttime temperatures generally drop to 14°C in Truro and 16°C in St Just. August is a summer month. On average, August is the month with the highest temperature of the year in Cornwall.

What is the temperature of the different cities in Cornwall in August?

Find the average daytime temperatures in August for the most popular destinations in Cornwall on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in August in Cornwall?
    • Truro tops the warmest city list in our database with average maximum daytime temperatures around 21°C and a minimum nighttime temperature of around 14°C.

  • What is the coldest city in August in Cornwall?
    • According to our data, St Just holds the title for the coldest city in Cornwall in August. It experiences maximum temperatures of approximately 19°C and drops to lows of about 16°C during the night.

  • How much sun does Cornwall get in August?
    • The weather is predominantly sunny, with an estimated total of around 202 hours of sunshine in Newquay. This means many sunny days, which creates a cheerful atmosphere during this month.

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