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The climate in Uruguay

Average daytime and nighttime temperatures


All climatic diagrams of this page are taken from the collected data from 29 measuring stations in Uruguay.
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 31 degrees. Due to the warmer temperatures the best time for traveling is in January. Nearly unattractive for tourists are the cold months from May to September.

Duration of daylight and sunshine in Uruguay

hours of sunshine per daySunshine hours per day in Uruguay
rainy days per monthRainy days per month in Uruguay
Precipitation in mm/dayPrecipitation in Uruguay
Relative humidity in %Relative humidity in Uruguay
Absolute humidity in g/m³ (approx.)Absolute humidity in Uruguay

Temperature records of the last 72 years

The hottest temperature measured from 1949 to March 2021 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 , 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 72 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 72 years. Incidentally, the region with the most rainfall for the whole year is around Artigas. The driest region is near Punta Del Este.


Data basis: German Weather Service, individual values averaged and supplemented by own elements.