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.