Heathrow weather in December (United Kingdom)

How does the December weather in Heathrow compare to other months? Find all the essential weather information for this month in our guide.

Temperatures

In December, Heathrow tends to experience low temperatures and moderate rainfall. During December, the winter season is in full swing. During the daylight hours, temperatures often reach 9°C. After dark they usually decrease to around 3°C.

Precipitation

Heathrow in December usually receives moderate rainfall, averaging around 63 mm for the month. Analyzing past climate data, one can expect approximately 16 days of rain.

Average sunshine

With limited sunshine this month, there are about 54 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Heathrow. June, July, August and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Heathrow, monthly averages in December

Min Temperature 3°C  

Max Temperature 9°C  

Chance of Rain 53%  

Precipitation 63 mm  

Rainy days 16 days  

Humidity 81% *  

Windspeed 14 km/h *  

Sunshine 54 hours *  

Percentage Sunshine 21% *  

Where to go in the United Kingdom in December

Find out more about the weather in the United Kingdom and which places have the best travel 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 this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Heathrow.

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 travel conditions. Find out where to go with our weather planner.