The temperatures in Conwy in May are quite cold with temperatures between 8°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Conwy. 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 Conwy in May 2025.
If you’re planning to visit Conwy in the near future, we highly recommend that you review the 14 day weather forecast for Conwy before you arrive.
Temperatures
13° / 8°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
89
mm
Sun Hours
8.3
Hrs
