Castlereagh weather in January (Down County, United Kingdom)

Is Castlereagh a good destination in January, weather-wise? Check out our in-depth weather guide for this month.

Temperatures

During January, Castlereagh usually has low temperatures and moderate rainfall. January is part of the winter season. The temperature during the day can rise to approximately 9°C. At night, it falls to around 4°C. This time of year is known for its most moderate and comfortable temperatures.

Precipitation

Castlereagh in January usually receives moderate rainfall, averaging around 91 mm for the month. You can typically expect 20 days days of rain this month, based on climate records.

Average sunshine

The area experiences limited sunny days, amounting to roughly 45 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

If you're looking for dry conditions and comfortable temperatures, January 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 January

Min Temperature 4°C  

Max Temperature 9°C  

Water Temperature 8°C *  

Chance of Rain 66%  

Precipitation 91 mm  

Rainy days 20 days  

Humidity 89% *  

Windspeed 18 km/h *  

Sunshine 45 hours *  

Percentage Sunshine 18% *  

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

Where to go in the United Kingdom in January

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 8°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.