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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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 17° | 3 | 28 | 0 | 93 mm | Good | Rio Negro in January |
| February | 31° / 16° | 3 | 25 | 0 | 69 mm | Good | Rio Negro in February |
| March | 28° / 14° | 4 | 28 | 0 | 82 mm | Perfect | Rio Negro in March |
| April | 23° / 12° | 3 | 27 | 0 | 83 mm | Perfect | Rio Negro in April |
| May | 18° / 9° | 3 | 28 | 0 | 62 mm | Good | Rio Negro in May |
| June | 14° / 7° | 2 | 28 | 0 | 27 mm | Good | Rio Negro in June |
| July | 14° / 5° | 2 | 29 | 0 | 34 mm | Good | Rio Negro in July |
| August | 17° / 7° | 2 | 29 | 0 | 44 mm | Good | Rio Negro in August |
| September | 19° / 8° | 4 | 26 | 0 | 81 mm | Good | Rio Negro in September |
| October | 22° / 10° | 5 | 26 | 0 | 120 mm | Good | Rio Negro in October |
| November | 27° / 13° | 5 | 25 | 0 | 113 mm | Perfect | Rio Negro in November |
| December | 31° / 16° | 4 | 27 | 0 | 95 mm | Good | Rio Negro in December |