The temperatures in Coleraine in October are quite cold with temperatures between 9°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Coleraine. 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 Coleraine in October 2025.
If you’re planning to visit Coleraine in the near future, we highly recommend that you review the 14 day weather forecast for Coleraine before you arrive.
Temperatures
13° / 9°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
134
mm
Sun Hours
2.6
Hrs
