The temperatures in Rio Negro in October are comfortable with low of 10°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Rio Negro 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 Rio Negro in October 2025.
If you’re planning to visit Rio Negro in the near future, we highly recommend that you review the 14 day weather forecast for Rio Negro before you arrive.
Temperatures
22° / 10°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
120
mm
Sun Hours
10.4
Hrs
