Whether you're visiting San Juan Province in Argentina during the peak of January (33°C (91°F)) or the cooler months around July (17°C (63°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from San Juan, 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 San Juan Province, during the months of April, May, August, September and October you can expect comfortable weather, with average temperatures ranging from 21°C (70°F) to 27°C (81°F).
The peak of the heat usually falls in January, February and December.
When it comes to rainfall, San Juan Province maintains fairly consistent rainfall patterns throughout the year, with December seeing 40 mm (1.6 in) and June receiving 11 mm (0.4 in). For those seeking drier weather, May, June, July and August typically see minimal rainfall, never exceeding 16 mm (0.6 in).
For those seeking sunshine, December usually has the brightest skies, making it an excellent time for exploring the region.
