San Carlos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Carlos.
Climate overview of San Carlos
San Carlos, located in Argentina’s Salta Province, is a quiet town famous for its nearby vineyards and Andean setting. It lies within the Calchaquí Valleys, a region admired for its landscapes, high-altitude wines, and traditional villages. The climate remains fairly consistent throughout the year, with generally warm temperatures. Rainfall occurs at moderate levels, mostly during the summer months. Let’s now guide you through the climate details for a complete overview.
San Carlos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Carlos - and find the best time to visit.
Monthly Temperature in San Carlos
The climate in San Carlos remains fairly constant, offering comfortable temperatures throughout the year. Average daytime temperatures reach a comfortable 25°C (77°F) in December. In July, the coolest month of the year, temperatures drop to a pleasant 18°C (64°F).
At night, temperatures range from around 14°C (57°F) in December to 2°C (36°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Carlos
Generally, San Carlos experiences moderate precipitation patterns, averaging 657 mm (26 in) yearly. San Carlos can be quite wet during January, receiving approximately 148 mm (5.8 in) of precipitation over 14 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 8.1 mm (0.3 in) of precipitation spread across 2 rainy days. For more details, please visit our San Carlos Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit San Carlos
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May, June, July, August, September, October and November
- Warmest weather: January, October, November and December
- Fewer rainy days: May, June, July, August and September
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from April to October
Frequently asked questions about the climate in San Carlos
What is the best time to visit San Carlos?
March, April, May, June, July, August, September, October and November typically offer the most optimal weather in San Carlos. In contrast, January, February and December tend to have less optimal conditions. San Carlos has a distinct dry season from April to October.
What temperatures can I expect in San Carlos?
Daytime highs range from 18°C (64°F) in July to 25°C (77°F) in December. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures stay relatively stable year-round.
How much rain does San Carlos get?
Annual rainfall is around 657 mm (26 in). January is the wettest month with 148 mm (5.8 in), while July is the driest with 8.1 mm (0.3 in).
San Carlos 3-Day Forecast
San Carlos on the map
San Carlos is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Córdoba
23°C (73°F) Salta21°C (70°F) Mendoza20°C (68°F) Buenos Aires
20°C (68°F) Mar del Plata16°C (61°F) San Martín de los Andes
8°C (46°F) San Carlos de Bariloche8°C (46°F) 
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