Climate Insights for San Miguel de Tucumán

The climate in San Miguel de Tucumán is warm and mild. The average annual temperature is 18°C and approximately 1838mm of precipitation falls per year. January is the wettest month, receiving around 342mm of rainfall. San Miguel de Tucumán 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: December, January, February. The coldest months are June, July, August, when temperatures can drop to 7°C.

Temperatures in San Miguel de Tucumán vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is December, when average highs reach 30°C and the mean temperature sits around 24°C. June is the coolest month, with minimum temperatures around 7°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 February and March, with a 4°C shift in average temperatures.

San Miguel de Tucumán is a fairly wet location, receiving approximately 1838mm of precipitation annually, which averages out to around 153mm per month. The wettest month is January, averaging 342mm of rainfall. February and April also tend to see above-average precipitation. The driest month is September, with just 16mm. That's 326mm less than January, 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.

San Miguel de Tucumán is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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 1km/h between the calmest and windiest months.

It is currently winter in San Miguel de Tucumán, which began on June 21, 2026. San Miguel de Tucumán 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 December at around 30°C, while the coldest stretch bottoms out in June near 7°C. Spring is next, beginning on September 23, 2026 — 63 days from now.

The best time to visit San Miguel de Tucumán is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 24mm per month. By contrast, December can be uncomfortably hot with highs reaching 30°C, while June is the coldest period with lows dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for San Miguel de Tucumán 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.