Río Negro is one of several regions in Argentina, with temperatures that range from 4°C (39°F) in July to 21°C (70°F) during the peak of February. We've based our full climate overview on data from El Bolsón, 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.
In Río Negro, during the months of January and February you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 21°C (70°F).
The colder period typically falls in the months of May, June, July, August and September.
Precipitation in Río Negro varies considerably throughout the year. The wettest conditions occur in June with 241 mm (9.5 in) of rain, while January stays relatively dry with 63 mm (2.5 in). The region experiences its rainy season during June, July and August, when monthly rainfall can range from 197 mm (7.8 in) to 241 mm (9.5 in).