Porthleven Weather in December

What's the weather like in Porthleven, United Kingdom in December 2019?

The climate in Porthleven during December can be summarized as cool and wet.

December is in the winter in Porthleven and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 5°C (41°F) is normal.

Porthleven weather averages (imperial / metric)
Daytime temperature 9.7°C 49.4°F
Nightly temperature 5°C 40.9°F
Average temperature 7.3°C 45.1°F
Daily sunshine 1.9 hrs
Avg rainfall 122 mm 4.8 ins
Rainy days 21 days
Sea temperature 11.3°C 52.3°F
Humidity 90%
Windspeed 23.8kph 15 mph

On average December is the 2nd wettest month of the year in Porthleven with around 122mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.9 hours of sunshine per day.

December temperatures in Porthleven

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 December 2019.

Other monthly averages

UV index

Porthleven weather stats

Porthleven weather statistics
Hottest month: August 18.6°C 65.5°F
Driest month: July 58mm 2.3ins
Sunniest month: May 7.5hrs
Coldest month: February 8.2°C 46.8°F
Wettest month: January 127mm 5ins
Map showing location of Porthleven (50.08618, -5.31501)

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