The temperatures in Monmouth in October are usually low and can range between 13°C and 18°C.
You can expect about 3 to 8 days of rain in Monmouth 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 Monmouth in October 2025.
If you’re planning to visit Monmouth in the near future, we highly recommend that you review the 14 day weather forecast for Monmouth before you arrive.
Temperatures
18° / 13°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
77
mm
Sun Hours
9.4
Hrs
