Cornwall weather in August 2024

Expect 19°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Cornwall in August. Check more long-term weather averages for Cornwall in August before you book your next holiday to Cornwall in 2024/2025.

19
19°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
13
13°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
72
72 mm of monthly rainfall
6
6 (High) UV index
16
16°C sea temperature

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Places to visit

Destination

The August weather guide for Cornwall (Newquay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Cornwall destinations

Below are average maximum temperatures at popular destinations in Cornwall in August. Select a destination to see more weather parameters.

Metric (°C / mm) | Imperial (°F / inches)

More about the UK

How hot is it in Cornwall in August?

Daytime temperatures usually reach 19°C in Newquay, Cornwall in August, falling to 13°C at night.

How sunny is it in Cornwall in August?

There are normally 6 hours of bright sunshine each day in Newquay, Cornwall in August - that's 43% of daylight hours.

How warm is the sea around Cornwall in August?

The average sea temperature around Newquay, Cornwall in August is 16°C.

Does it rain in Cornwall in August?

There are usually 15 days with some rain in Newquay, Cornwall in August and the average monthly rainfall is 72mm.

Cornwall August sunrise & sunset times

Browse the sunrise and sunset times for Cornwall in August 2024. Select a month to view Cornwall sunrise and sunset times for the next 12 months. The Cornwall sunrise and sunset times shown below are for Newquay.

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