The temperatures in Portrush in May are quite cold with temperatures between 7°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of May 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.
Our weather forecast can give you a great sense of what weather to expect in Portrush in May 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.
Temperatures
13° / 7°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
95
mm
Sun Hours
6.5
Hrs
