The temperatures in Monte Carlo in October are comfortable with low of 15°C and and high up to 20°C.
You can expect about 3 to 8 days of rain in Monte Carlo during the month of October. 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 October 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° / 15°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
129
mm
Sun Hours
11.2
Hrs