The temperatures in Derry in May are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Derry during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Derry in May 2025.
If you’re planning to visit Derry in the near future, we highly recommend that you review the 14 day weather forecast for Derry before you arrive.
Temperatures
14° / 6°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
55
mm
Sun Hours
6.1
Hrs
