The temperatures in Helston in May are quite cold with temperatures between 7°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Helston 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.
Please note that Helston can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Helston in May 2025.
If you’re planning to visit Helston in the near future, we highly recommend that you review the 14 day weather forecast for Helston before you arrive.
Temperatures
16° / 7°
Rainy Days
6
Snowy Days
1
Dry Days
24
Rainfall
102
mm
Sun Hours
9.4
Hrs
