Cornwall weather in June 2025

Q: How warm is it in Cornwall in June?

Daytime temperatures usually reach 17°C in Newquay, Cornwall in June, falling to 11°C at night.

Q: How sunny is it in Cornwall in June?

There are normally 7 hours of bright sunshine each day in Newquay, Cornwall in June - that's 42% of daylight hours.

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

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

Q: Does it rain in Cornwall in June?

There are usually 13 days with some rain in Newquay, Cornwall in June and the average monthly rainfall is 61mm.

Expect 63°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cornwall in June. Check more long-term weather averages for Cornwall in June before you book your next holiday to Cornwall in 2025/2026.

63
63°F max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
52
52°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
2.4
2.4 inches of monthly rainfall
6
6 (High) UV index
57
57°F sea temperature

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The June 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 June. Select a holiday destination to see more weather parameters.

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Cornwall in June?

Daytime temperatures usually reach 63°F in Newquay, Cornwall in June, falling to 52°F at night.

How sunny is it in Cornwall in June?

There are normally 7 hours of bright sunshine each day in Newquay, Cornwall in June - that's 42% of daylight hours.

How warm is the sea around Cornwall in June?

The average sea temperature around Newquay, Cornwall in June is 57°F.

Does it rain in Cornwall in June?

There are usually 13 days with some rain in Newquay, Cornwall in June and the average monthly rainfall is 2.4 inches.

Cornwall June sunrise & sunset times

Browse the sunrise and sunset times for Cornwall in June 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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