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.
| 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
December rainfall
December hourly sunshine
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
Cornwall weather stats
| 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 |
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