Arklow Weather in January

During January, Arklow experiences low daytime temperatures of 9°C (48°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 86 mm (3.4 in) is typical.

Rainfall in Arklow in January

Records from the past 30 years suggest around 19 days of rain, with 86 mm (3.4 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Arklow in January

Daytime highs in Arklow in January reach 9°C (48°F), with nights around 4°C (39°F). January is typically considered a winter month. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. This time of year is characterized by the coolest but still temperate weather of all the months.

Sunshine in Arklow in January

This month is characterized by fewer sunny days, with about 60 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

January in Arklow has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Arklow's climate page.

Arklow Temperature in January

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 62%  

Precipitation 86 mm (3.4 in)  

Rainy days 19 days  

Humidity 80% *  

Sunshine 60 hours *  

Percentage Sunshine 27% *  

* Data from: Rosslare, Ireland (62 KM, 38 Miles).

What to Wear in Arklow in January

Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Arklow in January

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Arklow's climate page.

More climate data for Arklow

Temperature Rainfall Sunshine Humidity

See the full Arklow climate overview or explore weather in Ireland.