The temperatures in Tregastel in May are usually low and can range between 10°C and 14°C.
You can expect about 3 to 8 days of rain in Tregastel 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 Tregastel in May 2026.
If you’re planning to visit Tregastel in the near future, we highly recommend that you review the 14 day weather forecast for Tregastel before you arrive.
Temperatures
14° / 10°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
80
mm
Sun Hours
5.4
Hrs
