Portsmouth weather in December (Hampshire, United Kingdom)

Curious about the December weather in Portsmouth? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In December, Portsmouth generally has low temperatures and moderate rainfall. December is a winter month. Anticipate daytime temperatures around 10°C, while night temperatures can drop to 5°C.

Portsmouth in December usually receives moderate rainfall, averaging around 88 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 16 days of the month will see rainfall.

The area sees fewer sunny days, with a projection of about 54 hours of sunshine. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Portsmouth. July and August typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Portsmouth climate page with graphs.

 

Portsmouth, monthly averages in December

Min Temperature 5°C  

Max Temperature 10°C  

Chance of Rain 52%  

Precipitation 88 mm  

Rainy days 16 days  

Humidity 91% *  

Sunshine 54 hours *  

Percentage Sunshine 16% *  

* Data from: Southampton, the United Kingdom (25 KM, 15 Miles).

Where to go in the United Kingdom in December

Find out more about the weather in the United Kingdom in December and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Portsmouth in December?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Portsmouth.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.