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 31 degrees.
› Duration of daylight and sunshine in Uruguay
hours of sunshine per day rainy days per month Precipitation in mm/day Relative humidity in % Absolute humidity in g/m³ (approx.)
Temperature records of the last 70 years
The hottest temperature measured from 1949 to September 2019 was reported by the Mercedes weather station. In January 2012 the record temperature of 41.5 °C was reported here. The hottest summer from July to September, based on all 14 weather stations in Uruguay below 240 metres altitude, 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 70 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.