The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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
Conditions in La Rioja are generally most comfortable in April, May, August, September, October and November. They are typically least comfortable in January and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
very good
Mar
very good
Apr
excellent
May
excellent
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
excellent
Nov
excellent
Dec
mixed
- Best overall: April, May, August, September, October and November
- Warmest weather: January, February and December
- Most sunshine: January, October, November and December
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from June to September, with very warm summers and mild winters
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, with very warm summers and mild winters.
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 on the map
La Rioja is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Córdoba
25°C (77°F) Mendoza
24°C (75°F) Salta
23°C (73°F) Villa Carlos Paz23°C (73°F) Buenos Aires23°C (73°F) Mar del Plata18°C (64°F) San Carlos de Bariloche11°C (52°F) San Martín de los Andes11°C (52°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Argentina in November: Where to Go for the Best Weather
Compare November weather in Mendoza, Buenos Aires, Cafayate, Bariloche and Ushuaia to find Argentina's warmest, sunniest and driest places.