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Castlerock weather in December (Londonderry County, United Kingdom)

Interested in knowing the climate of Castlerock in December? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

In December, Castlerock tends to experience low temperatures and high rainfall. During the daylight hours, temperatures often reach 10°C. After dark they usually decrease to around 5°C.

Precipitation

Castlerock in December usually receives high rainfall, averaging around 139 mm for the month. This month experiences about 22 days of rain according to historical data.

Average sunshine

The month is characterized by fewer sunny days, with roughly 39 hours hours of sunshine. 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 Castlerock. June typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Castlerock, monthly averages in December

Min TemperatureMin Temperature 5°C  
Max TemperatureMax Temperature 10°C  
Chance of RainChance of Rain 74%  
PrecipitationPrecipitation 139 mm  
Rainy daysRainy days 22 days  
SunshineSunshine 39 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Derry, Ireland (38 KM, 23 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.

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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
3/10
Outdoor sports
4/10

Interested in more climate information?

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

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.