Climate Insights for Salta

The climate in Salta is temperate. The average annual temperature is 14°C and approximately 1918mm of precipitation falls per year. Salta receives a notable amount of rainfall throughout the year, including during its driest month. Salta is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, December, February. The coldest months are July, June, August, when temperatures can drop to 4°C.

Salta sees moderate temperature variation throughout the year, ranging from 4°C to 23°C. January is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. July is the coolest month, with minimum temperatures around 4°C and an average of 9°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Salta is a fairly wet location, receiving approximately 1918mm of precipitation annually, which averages out to around 160mm per month. The wettest month is March, averaging 284mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 31mm. That's 253mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Salta is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Salta, which began on March 20, 2026. Salta is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 23°C, while the coldest stretch bottoms out in July near 4°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

The table below shows monthly climate averages for Salta based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.