Castlereagh weather in December (Down County, United Kingdom)

How does the December weather in Castlereagh compare to other months? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

During December, Castlereagh usually has low temperatures and moderate rainfall. The winter season takes place during December. Anticipate daytime highs near 10°C, and cooler nights with temperatures around 5°C.

Precipitation

Castlereagh in December usually receives moderate rainfall, averaging around 98 mm for the month. Historically, the month has about 19 days of rain.

Average sunshine

The city usually sees around 39 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Castlereagh. July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Castlereagh, monthly averages in December

Min Temperature 5°C  

Max Temperature 10°C  

Water Temperature 10°C *  

Chance of Rain 65%  

Precipitation 98 mm  

Rainy days 19 days  

Humidity 90% *  

Windspeed 18 km/h *  

Sunshine 39 hours *  

Percentage Sunshine 15% *  

* Data from: Belfast, Ireland (24 KM, 15 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 Castlereagh.

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.