The weather in Portrush in January is very cold with temperatures between 2°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Portrush. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Portrush during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Portrush.
Our weather forecast can give you a great sense of what weather to expect in Portrush in January 2025.
If you’re planning to visit Portrush in the near future, we highly recommend that you review the 14 day weather forecast for Portrush before you arrive.
