Belfast weather in December (County Antrim, Ireland)

What weather conditions can you expect in Belfast this December? Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

In December, the weather in Belfast generally includes low temperatures and moderate rainfall. December is typically considered a winter month. During the daylight hours, temperatures often reach 9°C. After dark they usually decrease to around 3°C.

Precipitation

Belfast in December usually receives moderate rainfall, averaging around 83 mm for the month. Typically around 21 days days of rainfall are expected.

Average sunshine

The area sees fewer sunny days, with a projection of about 39 hours of sunshine. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Belfast. July typically offers 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 Belfast climate page with graphs.

 

Belfast, monthly averages in December

Min Temperature 3°C  

Max Temperature 9°C  

Water Temperature 10°C  

Chance of Rain 69%  

Precipitation 83 mm  

Rainy days 21 days  

Humidity 90%  

Windspeed 18 km/h  

Sunshine 39 hours  

Percentage Sunshine 15%  

Where to go in Ireland in December

Find out more about the weather in Ireland 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 Ireland? On this website you can find historical weather averages for many cities in Ireland. 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.