Cornwall weather by month

Check out Cornwall weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Maximum daytime temperature °C	9	8	10	12	14	17	19	19	17	15	11	10
Hours of sunshine (daily)	2	3	4	6	7	7	7	6	5	3	2	2
Days with some rainfall	21	16	18	14	15	13	13	15	15	18	20	21
Sea temperature °C	10	9	9	10	12	14	16	16	16	14	13	11

More about Cornwall

Cornwall by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Cornwall

Luxury Cottages discount code: £50 off UK cottages

Exclusive

Save EXTRA £50 on UK breaks with Luxury Cottages
No minimum stay. Book online with exclusive discount code
Offer cannot be combined with other promotions

Show discount code

******C50

Redeem Luxury Cottages discount code >>

Expires at 23:59 on Tuesday 31st Dec 2024 · View all Luxury Cottages offers

UK holiday finder

The climate guide for Cornwall (Newquay) shows long term monthly 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 for next month - December. Select a destination to see the climate guide for all months of the year.