Dun Laoghaire weather in January (Dublin County, Ireland)

How is January weather typically in Dun Laoghaire? Get all the weather information you need to plan your visit.

Temperatures

In January, Dun Laoghaire usually has low temperatures and moderate rainfall. During January, you’ll experience the winter season. As the day progresses, temperatures can peak at 9°C. Luckily at nightfall, they typically drop to 4°C. The temperatures in January are often the mildest compared to the rest of the year.

Precipitation

Dun Laoghaire in January usually receives moderate rainfall, averaging around 80 mm for the month. Typically around 18 days days of rainfall are expected.

Average sunshine

The month is characterized by fewer sunny days, with roughly 56 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Dun Laoghaire. July and August typically offer 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 Dun Laoghaire climate page with graphs.

 

Dun Laoghaire, monthly averages in January

Min Temperature 4°C  

Max Temperature 9°C  

Water Temperature 10°C *  

Chance of Rain 61%  

Precipitation 80 mm  

Rainy days 18 days  

Humidity 81% *  

Windspeed 22 km/h *  

Sunshine 56 hours *  

Percentage Sunshine 25% *  

Data from: Dublin, Ireland (17 KM, 10 Miles).

Where to go in Ireland in January

Find out more about the weather in Ireland 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. 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 Dun Laoghaire.

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.