Cornwall weather in October 2025

Q: How warm is it in Cornwall in October?

Daytime temperatures usually reach 15°C in Newquay, Cornwall in October, falling to 10°C at night.

Q: How sunny is it in Cornwall in October?

There are normally 3 hours of bright sunshine each day in Newquay, Cornwall in October - that's 32% of daylight hours.

Q: How warm is the sea around Cornwall in October?

The average sea temperature around Newquay, Cornwall in October is 14°C.

Q: Does it rain in Cornwall in October?

There are usually 18 days with some rain in Newquay, Cornwall in October and the average monthly rainfall is 103mm.

Expect 15°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Cornwall in October. Check more long-term weather averages for Cornwall in October before you book your next holiday to Cornwall in 2025/2026.

15
15°C max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
10
10°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
103
103 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

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The October 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 countries, regions and places in Cornwall in October. Select a holiday destination to see more weather parameters.

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

More about the UK

How warm is it in Cornwall in October?

Daytime temperatures usually reach 15°C in Newquay, Cornwall in October, falling to 10°C at night.

How sunny is it in Cornwall in October?

There are normally 3 hours of bright sunshine each day in Newquay, Cornwall in October - that's 32% of daylight hours.

How warm is the sea around Cornwall in October?

The average sea temperature around Newquay, Cornwall in October is 14°C.

Does it rain in Cornwall in October?

There are usually 18 days with some rain in Newquay, Cornwall in October and the average monthly rainfall is 103mm.

Cornwall October sunrise & sunset times

Browse the sunrise and sunset times for Cornwall in October 2025. 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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