La Rioja Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit La Rioja.
Climate overview of La Rioja
La Rioja, in Argentina’s La Rioja Province, experiences hot summers and mild winters, with strong seasonal temperature contrasts. Rainfall is moderate, mostly falling during the warmer months. The city is nearby desert landscapes and red rock formations, including the Talampaya National Park. Let’s explore the climate details to provide you with a complete overview.
La Rioja Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in La Rioja — and find the best time to visit.
Monthly Temperature in La Rioja
In La Rioja, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in January to a moderate 17°C (63°F) in July.
Nighttime temperatures range from 20°C (68°F) in January to 5°C (41°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in La Rioja
On average, La Rioja receives a reasonable amount of rainfall, with an annual precipitation of 842 mm (33 in). The seasons in La Rioja bring significant changes in precipitation. The wettest month, January, receives high rainfall, with an average of 145 mm (5.7 in) of precipitation. This rainfall is distributed across 9 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 16 mm (0.6 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our La Rioja Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in La Rioja
La Rioja enjoys sunny spells year-round. December sees up to 9.0 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 6.3 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in La Rioja by Month
The relative humidity is high throughout the year in La Rioja.
The city experiences its highest humidity in April, reaching 70%. In October, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit La Rioja
Frequently asked questions about the climate in La Rioja
What is the best time to visit La Rioja?
April, May, August, September, October and November typically offer the most optimal weather in La Rioja. In contrast, January and December tend to have less optimal conditions. La Rioja has a distinct dry season from June to September.
What temperatures can I expect in La Rioja?
Daytime highs range from 17°C (63°F) in July to 31°C (88°F) in January. Nighttime lows range from 5°C (41°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does La Rioja get?
Annual rainfall is around 842 mm (33 in). January is the wettest month with 145 mm (5.7 in), while July is the driest with 16 mm (0.6 in).
How sunny is La Rioja?
La Rioja receives around 2,803 hours of sunshine per year. December is the sunniest month with 270 hours, while June is the cloudiest with just 188 hours. Overall, La Rioja enjoys abundant sunshine.
La Rioja 3-Day Forecast
La Rioja 3-Day Forecast
La Rioja on the map
La Rioja is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Córdoba
18°C (64°F) Salta
17°C (63°F) Buenos Aires16°C (61°F) Villa Carlos Paz16°C (61°F) Mendoza14°C (57°F) Mar del Plata13°C (55°F) San Carlos de Bariloche
4°C (39°F) San Martín de los Andes4°C (39°F) 
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