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

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Cornwall by month

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

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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 - January. Select a destination to see the climate guide for all months of the year.