The temperatures in Fontana in May are quite cold with temperatures between 9°C and 26°C, warm clothes are a must.
There is little to no rain in Fontana during May, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Fontana in May 2025.
If you’re planning to visit Fontana in the near future, we highly recommend that you review the 14 day weather forecast for Fontana before you arrive.
Temperatures
26° / 9°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
7
mm
Sun Hours
11.9
Hrs
