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°C maximum daytime temperature in January in Newquay9
8°C maximum daytime temperature in February in Newquay8
10°C maximum daytime temperature in March in Newquay10
12°C maximum daytime temperature in April in Newquay12
14°C maximum daytime temperature in May in Newquay14
17°C maximum daytime temperature in June in Newquay17
19°C maximum daytime temperature in July in Newquay19
19°C maximum daytime temperature in August in Newquay19
17°C maximum daytime temperature in September in Newquay17
15°C maximum daytime temperature in October in Newquay15
11°C maximum daytime temperature in November in Newquay11
10°C maximum daytime temperature in December in Newquay10
Hours of sunshine (daily)
Days with some rainfall
21 days with some rainfall in January in Newquay21
16 days with some rainfall in February in Newquay16
18 days with some rainfall in March in Newquay18
14 days with some rainfall in April in Newquay14
15 days with some rainfall in May in Newquay15
13 days with some rainfall in June in Newquay13
13 days with some rainfall in July in Newquay13
15 days with some rainfall in August in Newquay15
15 days with some rainfall in September in Newquay15
18 days with some rainfall in October in Newquay18
20 days with some rainfall in November in Newquay20
21 days with some rainfall in December in Newquay21
Sea temperature °C
10°C sea temperature in January in Newquay10
9°C sea temperature in February in Newquay9
9°C sea temperature in March in Newquay9
10°C sea temperature in April in Newquay10
12°C sea temperature in May in Newquay12
14°C sea temperature in June in Newquay14
16°C sea temperature in July in Newquay16
16°C sea temperature in August in Newquay16
16°C sea temperature in September in Newquay16
14°C sea temperature in October in Newquay14
13°C sea temperature in November in Newquay13
11°C sea temperature in December in Newquay11

More about Cornwall

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

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

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More about the UK

Compare Cornwall with the UK

Below the Cornwall chart shows average maximum daytime temperature for Cornwall, England (Newquay) and the UK (London).

Maximum daytime temperature (°C)

Cornwall, England (Newquay)
UK (London)
9
7
8
7
10
10
12
13
14
17
17
20
19
22
19
22
17
19
15
15
11
10
10
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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