The temperatures in Rio Negro in July are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
Rio Negro is going to be cold and wet in the month of July. Expect low temperatures and a few days of rain, so be sure to bundle up to avoid catching a cold.
Our weather forecast can give you a great sense of what weather to expect in Rio Negro in July 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
14° / 5°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
34
mm
Sun Hours
10.1
Hrs