The temperatures in Campobasso in May are quite cold with temperatures between 9°C and 20°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Campobasso. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Campobasso in May 2026.
If you’re planning to visit Campobasso in the near future, we highly recommend that you review the 14 day weather forecast for Campobasso before you arrive.
Temperatures
20° / 9°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
147
mm
Sun Hours
10.8
Hrs
