Portrush Weather in January

January in Portrush brings low temperatures, with highs of 9°C (48°F) and nights dropping to 5°C (41°F). Rainfall is on the higher side this month, averaging around 127 mm (5 in), so keep a rain jacket handy.

Rainfall in Portrush in January

Typically, you can expect about 22 days of rain this month, with 127 mm (5 in) on average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Portrush in January

Daytime temperatures in Portrush reach 9°C (48°F) in January, dropping to 5°C (41°F) at night. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Portrush in January

The month is characterized by fewer sunny days, with roughly 50 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 Portrush. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Portrush Temperature in January

Min Temperature 5°C (41°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 75%  

Precipitation 127 mm (5 in)  

Rainy days 22 days  

Sunshine 50 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (47 KM, 29 Miles).

What to Wear in Portrush in January

We recommend to layer up for chilly conditions in Portrush in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Portrush 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

3/10

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 the United Kingdom, check out our Portrush's climate page.

More climate data for Portrush

Temperature Rainfall Sunshine

See the full Portrush climate overview or explore weather in the United Kingdom.