Castlerock weather in January (Londonderry County, United Kingdom)

What's the typical weather in Castlerock for January? See what weather conditions to anticipate this month with our guide.

Temperatures

January in Castlerock generally includes low temperatures and high rainfall. Daytime temperatures generally settle around 9°C, while nighttime can see a dip to about 5°C.

Precipitation

Castlerock in January usually receives high rainfall, averaging around 122 mm for the month. Historically, approximately 23 days this month are expected to have rain.

Average sunshine

The city usually sees around 50 hours of sunlight, indicating fewer sunny days.

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

Min Temperature 5°C  

Max Temperature 9°C  

Chance of Rain 75%  

Precipitation 122 mm  

Rainy days 23 days  

Sunshine 50 hours *  

Percentage Sunshine *  

Data from: Derry, Ireland (38 KM, 23 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

Map not visible? Whoops sorry! Please refresh the page.

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.