Belfast weather in December (Antrim County, United Kingdom)

Thinking of visiting Belfast in December? Check the weather first! Use this page to get an overview of the month’s weather conditions.

Temperatures

In December, Belfast tends to experience low temperatures and moderate rainfall. During December, you’ll experience the winter season. The daytime often sees temperatures reaching 9°C, but nighttime brings a cool-down to 4°C.

Precipitation

Belfast in December usually receives moderate rainfall, averaging around 95 mm for the month. The climate data from previous years indicates that there are typically about 20 days days of rain.

Average sunshine

With limited sunshine this month, there are about 39 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 Belfast. July and August typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Belfast, monthly averages in December

Min Temperature 4°C  

Max Temperature 9°C  

Water Temperature 10°C *  

Chance of Rain 66%  

Precipitation 95 mm  

Rainy days 20 days  

Humidity 90% *  

Windspeed 18 km/h *  

Sunshine 39 hours *  

Percentage Sunshine 15% *  

Data from: Belfast, Ireland (19 KM, 12 Miles).

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. With a water temperature of around 10°C there is no need to bring your swimwear.

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 Belfast.

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.