When planning a visit to La Rioja Province in Argentina, it helps to know that temperatures typically range from 16°C (61°F) in July up to 31°C (88°F) during the peak of January. Our detailed climate overview is based on data from La Rioja, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in La Rioja Province during April, May, August, September and October is comfortably warm, with average temperatures ranging from 20°C (68°F) to 26°C (79°F).
The hottest season always takes place in January and December.
When it comes to rainfall, La Rioja Province sees significant variations throughout the year. January tends to be the wettest, receiving 145 mm (5.7 in) of rain, while July is much drier with just 15 mm (0.6 in). For those seeking drier weather, July and August typically see minimal rainfall, never exceeding 16 mm (0.6 in).
December is the sunniest period, with ideal conditions for exploring the region and all it has to offer.