This page presents a long range weather forecast for Rio Negro in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.
The Rio Negro extended forecast data provided is based on the average values of previous years.
Select a month and click on a day for more information:
Sunday
Dec 1
25° / 10°
Monday
Dec 2
28° / 11°
Tuesday
Dec 3
30° / 15°
Wednesday
Dec 4
27° / 11°
Thursday
Dec 5
25° / 8°
Friday
Dec 6
31° / 14°
Saturday
Dec 7
33° / 12°
Sunday
Dec 8
33° / 15°
Monday
Dec 9
34° / 15°
Tuesday
Dec 10
35° / 16°
Wednesday
Dec 11
31° / 16°
Thursday
Dec 12
27° / 13°
Friday
Dec 13
29° / 10°
Saturday
Dec 14
32° / 13°
Sunday
Dec 15
28° / 13°
Monday
Dec 16
30° / 11°
Tuesday
Dec 17
30° / 13°
Wednesday
Dec 18
33° / 14°
Thursday
Dec 19
30° / 15°
Friday
Dec 20
30° / 13°
Saturday
Dec 21
32° / 12°
Sunday
Dec 22
32° / 13°
Monday
Dec 23
34° / 14°
Tuesday
Dec 24
33° / 16°
Wednesday
Dec 25
30° / 13°
Thursday
Dec 26
35° / 14°
Friday
Dec 27
36° / 16°
Saturday
Dec 28
32° / 14°
Sunday
Dec 29
35° / 16°
Monday
Dec 30
32° / 17°
Tuesday
Dec 31
33° / 14°
Rio Negro 30 days weather forecast
Check out our estimated 30 days weather forecast for Rio Negro, this data is based on the average weather in Rio Negro in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Rio Negro next to the desired date.