The temperatures in Monte Carlo 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 Monte Carlo 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 Monte Carlo in May 2025.
If you’re planning to visit Monte Carlo in the near future, we highly recommend that you review the 14 day weather forecast for Monte Carlo before you arrive.
Temperatures
20° / 14°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
71
mm
Sun Hours
11.5
Hrs
