Climate Insights for San Salvador de Jujuy

The climate in San Salvador de Jujuy is temperate. The average annual temperature is 16°C and approximately 2137mm of precipitation falls per year. San Salvador de Jujuy receives a notable amount of rainfall throughout the year, including during its driest month. San Salvador de Jujuy 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 5°C. Light snow can occur between June and August.

Temperatures in San Salvador de Jujuy vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°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.

San Salvador de Jujuy is a very wet location, receiving approximately 2137mm of precipitation annually, which averages out to around 178mm per month. The wettest month is March, averaging 293mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 41mm. That's 252mm 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. Light snowfall can occur between June and August, totalling around 6cm annually. June is the snowiest month with approximately 2cm.

San Salvador de Jujuy is relatively calm, with an average annual wind speed of 1km/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 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently winter in San Salvador de Jujuy, which began on June 21, 2026. San Salvador de Jujuy 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 26°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit San Salvador de Jujuy is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 49mm per month. By contrast, January can be uncomfortably hot with highs reaching 26°C, while July is the coldest period with lows dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for San Salvador de Jujuy 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.