Climate Insights for Tandil

The climate in Tandil is hot. The average annual temperature is 27°C and approximately 319mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Tandil 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, November, March. The coldest months are February, March, November, when temperatures can drop to 20°C.

Tandil sees moderate temperature variation throughout the year, ranging from 20°C to 31°C. The warmest month is December, when average highs reach 31°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between January and February, with a 4°C shift in average temperatures.

Tandil is a quite dry location, receiving approximately 319mm of precipitation annually, which averages out to around 27mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 28mm less than February, 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.

Tandil is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 5km/h in winter, 2km/h in spring, 2km/h in summer, 4km/h in autumn.

It is currently winter in Tandil, which began on June 21, 2026. Tandil 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 31°C, while the coldest stretch bottoms out in February near 20°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Tandil is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 33mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 31°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 Tandil 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.