Climate Insights for Tatuí

The climate in Tatuí is cold. The average annual temperature is -9°C and approximately 86mm of precipitation falls per year. January is the wettest month, receiving around 31mm of rainfall. Tatuí 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 May, June, April, when temperatures can drop to -11°C. Snowfall occurs from January to December, with around 86cm accumulating over the season.

Tatuí has relatively stable temperatures year-round, staying within a 4°C range. January is the warmest month, though highs remain moderate at -7°C with a mean of -9°C. The coldest month is May, when overnight lows fall to -11°C and the daily average is -10°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Tatuí is a quite dry location, receiving approximately 86mm of precipitation annually, which averages out to around 7mm per month. The wettest month is January, averaging 31mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 2mm. That's 30mm 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. Snowfall is a regular feature from January to December, with around 86cm accumulating over the season. January typically sees the most snow at around 31cm.

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

It is currently winter in Tatuí, which began on June 21, 2026. Tatuí 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 -7°C, while the coldest stretch bottoms out in May near -11°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The table below shows monthly climate averages for Tatuí 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.