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Climate in San Juan
(Argentina)

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 2 measuring stations in San Juan.
Weather stations at an altitude above 1180m have not been included.
All data correspond to the average monthly values of the last 20 years.


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Several months of the year it is warm to hot at temperatures continuously above 25 degrees centigrade, sometimes up to 35 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 August.
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Hours of sunshine per daySunshine hours per day in San Juan
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 10 hours per day, December is the sunniest month in country part San Juan. In June the sun shines the shortest.
Rainy days per monthRainy days per month in San Juan
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 5 rainy days, January offers the most number of rainy days, and in August the least.
Precipitation in mm/dayPrecipitation in San Juan
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 0.050 mm, the least rain falls in July. February, on the other hand, has the most rain.
Climate charts for other country parts in Argentina

Map of San Juan

Most important cities in the country part »San Juan«

The country part has a west-east extension of about 190 km and over 160 km from north to south.

CityPopulationGeo-Position
San Juan447,04831° 32' 15"S68° 32' 11"W
Chimbas73,82931° 28' 60"S68° 31' 60"W
Santa Lucía43,56531° 32' 24"S68° 29' 42"W
Pocito40,96931° 40' 60"S68° 34' 60"W
Caucete33,60931° 39' 6"S68° 16' 52"W
San José de Jáchal21,01830° 14' 26"S68° 44' 49"W
Albardón20,41331° 26' 14"S68° 31' 32"W
Villa Paula de Sarmiento19,09231° 29' 36"S68° 32' 18"W
San Martín10,14031° 25' 46"S68° 30' 2"W
Calingasta8,17631° 19' 51"S69° 24' 28"W
Nueve de Julio7,65231° 40' 9"S68° 23' 25"W
San Agustín de Valle Fértil6,86430° 38' 1"S67° 28' 6"W
Villa Basilio Nievas4,03831° 33' 0"S68° 43' 60"W


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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