The temperatures in San Marino in May are quite cold with temperatures between 8°C and 20°C, warm clothes are a must.
With more than 22 rainy days, San Marino is an incredibly wet during May. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in San Marino in May 2025.
If you’re planning to visit San Marino in the near future, we highly recommend that you review the 14 day weather forecast for San Marino before you arrive.
Temperatures
20° / 8°
Rainy Days
23
Snowy Days
0
Dry Days
8
Rainfall
118
mm
Sun Hours
10.6
Hrs