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Cornwall, United Kingdom Weather Averages

July is the hottest month in Cornwall with an average temperature of 16°C (61°F) and the coldest is February at 6°C (42°F) with the most daily sunshine hours at 7 in August. The wettest month is December with an average of 120mm of rain. The best month to swim in the sea is in August when the average sea temperature is 17°C (63°F).

Average Temperature Cornwall

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Cornwall

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Cornwall

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Cornwall

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Cornwall

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Cornwall : Next 24-Hour Weather

Today - 12th July 2024

Sunrise 05:23

Sunrise

Sunset 21:28

Sunset
16:00
Partly cloudy
18°C (63°F)
17:00
Patchy rain possible
15°C (59°F)
18:00
Cloudy
15°C (58°F)
19:00
Cloudy
15°C (58°F)
20:00
Patchy rain possible
14°C (57°F)
21:00
Patchy rain possible
14°C (56°F)
22:00
Cloudy
13°C (55°F)
23:00
Cloudy
13°C (55°F)

Tomorrow - 13th July 2024

Sunrise 05:23

Sunrise

Sunset 21:28

Sunset
0:00
Cloudy
13°C (55°F)
1:00
Cloudy
13°C (55°F)
2:00
Partly cloudy
13°C (55°F)
3:00
Partly cloudy
13°C (54°F)
4:00
Partly cloudy
13°C (54°F)
5:00
Clear
13°C (54°F)
6:00
Clear
13°C (55°F)
7:00
Clear
14°C (57°F)
8:00
Clear
15°C (58°F)
9:00
Clear
15°C (58°F)
10:00
Clear
16°C (59°F)
11:00
Clear
16°C (60°F)
12:00
Patchy rain possible
16°C (60°F)
13:00
Clear
16°C (60°F)
14:00
Clear
16°C (60°F)
15:00
Clear
16°C (60°F)