Rio Negro is one of several regions in Uruguay, with temperatures that range from 17°C (63°F) in July to 32°C (90°F) during the peak of January. We've based our full climate overview on data from Fray Bentos, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Rio Negro during April, May, August, September and October is comfortably warm, with average temperatures ranging from 20°C (68°F) to 25°C (77°F).
The hottest season always takes place in January, February and December.
Precipitation in Rio Negro varies considerably throughout the year. The wettest conditions occur in April with 135 mm (5.3 in) of rain, while July stays relatively dry with 65 mm (2.6 in).
For those seeking sunshine, January usually has the brightest skies, making it an excellent time for exploring the region.