The climate in Uruguay
Average daytime and nighttime temperaturesAll climate diagrams on this page result from the collected data of 24 weather stations.
All data correspond to the average monthly values of the last 20 years.
Back to overview: Uruguay
Climate zone: sub-tropics of the southern hemisphere
Several months of the year it is warm to hot at temperatures continuously above 25 degrees centigrade, sometimes up to 30 degrees. The warmest and rainiest part of the country is Northern Interior. The coldest is Atlantic Coast.
Several months of the year it is warm to hot at temperatures continuously above 25 degrees centigrade, sometimes up to 30 degrees. The warmest and rainiest part of the country is Northern Interior. The coldest is Atlantic Coast.
Hours of sunshine per day

Rainy days per month

Precipitation in mm/day

Relative humidity in %

Absolute humidity in g/m³

Climate charts for other country parts in Uruguay
Temperature records of the last 73 years
The hottest temperature measured from 1949 to March 2022 was reported by the Mercedes weather station. In January 2022 the record temperature of 42.7 °C was reported here. The hottest summer from July to September, based on all 14 weather stations in Uruguay , was recorded in 2017 with an average temperature of 14.8 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 12.7 degrees Celsius. The average maximum daily temperature at that time was 19.1 °C.The coldest day in these 73 years was reported by the weather station Salto. Here the temperature dropped to -22.0 °C in July 2000. Salto lies at an altitude of 42 meters above sea level. The coldest winter (January to March) was in 1951 with an average temperature of 18.8 °C. In Uruguay, it is usual to have about 4.0 degrees more at 22.8 °C for this three-month period.
The most precipitation fell in April 1959. With 26.7 mm per day, the Salto weather station recorded the highest monthly average of the last 73 years. Incidentally, the region with the most rainfall for the whole year is around Artigas. The driest region is near Punta Del Este.