The temperatures in Formia in May are usually low and can range between 14°C and 20°C.
You can expect about 3 to 8 days of rain in Formia 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 Formia in May 2025.
If you’re planning to visit Formia in the near future, we highly recommend that you review the 14 day weather forecast for Formia before you arrive.
Temperatures
20° / 14°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
76
mm
Sun Hours
9.2
Hrs
