Portsmouth Weather in December

What's the weather like in Portsmouth (England) in December 2024?

The climate in Portsmouth during December can be summarized as cool and reasonably dry.

December is in the winter in Portsmouth and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.

Portsmouth weather averages (imperial / metric)
Daytime temperature 8.7°C 47.6°F
Nightly temperature 4°C 39.1°F
Average temperature 6.3°C 43.3°F
Daily sunshine 2.3 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 16 days
Sea temperature 11.4°C 52.5°F
Humidity 92%
Windspeed 16.9kph 11 mph

On average December is the 3rd wettest month of the year in Portsmouth with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.3 hours of sunshine per day.

December temperatures in Portsmouth

Portsmouth average temperature in December

December rainfall

Portsmouth average rain in December

December hourly sunshine

Portsmouth 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 Portsmouth in December 2024.

Other monthly averages

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UV index Best time to go?

Portsmouth weather stats

Portsmouth weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: July 39mm 1.5ins
Sunniest month: August 7.6hrs
Coldest month: February 7.4°C 45.3°F
Wettest month: November 80mm 3.1ins
Map showing location of Portsmouth (50.79899, -1.09125) Portsmouth map pin © Google

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