Cornwall Weather in December

What's the weather like in Cornwall (Prince Edward Island) in December 2024?

The climate in Cornwall during December can be summarized as cold and wet.

December is in the winter in Cornwall and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -0°C (32°F), whilst at night -8°C (18°F) is normal.

Cornwall weather averages (imperial / metric)
Daytime temperature -0°C 31.9°F
Nightly temperature -7.8°C 18.1°F
Average temperature -3.9°C 25°F
Daily sunshine 2.5 hrs
Avg rainfall 122 mm 4.8 ins
Rainy days 19 days
Sea temperature 3°C 37.4°F
Humidity 82%
Windspeed 20.2kph 13 mph

On average December is the wettest month of the year in Cornwall with around 122mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.5 hours of sunshine per day.

December temperatures in Cornwall

Cornwall average temperature in December

December rainfall

Cornwall average rain in December

December hourly sunshine

Cornwall average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cornwall in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Cornwall weather stats

Cornwall weather statistics
Hottest month: July 23.1°C 73.6°F
Driest month: July 80mm 3.1ins
Sunniest month: July 8.7hrs
Coldest month: January -3.4°C 25.9°F
Wettest month: December 122mm 4.8ins
Map showing location of Cornwall (46.22652, -63.21809) Cornwall map pin © Google

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