The temperatures in Plymouth in May are usually low and can range between 11°C and 14°C.
You can expect about 3 to 8 days of rain in Plymouth 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 Plymouth in May 2025.
If you’re planning to visit Plymouth in the near future, we highly recommend that you review the 14 day weather forecast for Plymouth before you arrive.
Temperatures
14° / 11°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
89
mm
Sun Hours
9.1
Hrs