Rio Negro weather
Best months for weather: Mar–May, Jul–Aug. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Rio Negro, Paraná, Brazil.
Best Time to Visit
Peak season Mar–May, Jul–AugOff season Oct, Dec–Jan
Rio Negro weather by month
When is the best time to visit Rio Negro?
Based on weather alone, the best time to visit Rio Negro is Mar–May, Jul–Aug, according to NASA's 2001–2025 climate averages. Oct, Dec–Jan tends to be the least pleasant. Average highs run from 19°C (66°F) in July to 27°C (81°F) in February.
What is the rainiest month in Rio Negro?
January is the wettest month, with about 174 mm (6.9 in) of rain on average. April is the driest, with about 89 mm (3.5 in).
What is the hottest month in Rio Negro?
February is the warmest, with average highs of 27°C (81°F) and lows of 17°C (62°F). July is the coolest, with highs of 19°C (66°F) and lows of 8°C (47°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months