Climate Insights for Mata de São João

The climate in Mata de São João is temperate. The average annual temperature is 15°C and approximately 335mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Mata de São João 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: August, July, September. The coldest months are October, November, December, when temperatures can drop to 3°C. Light snow can occur between November and November.

Temperatures in Mata de São João vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 20°C. October is the coolest month, with minimum temperatures around 3°C and an average of 11°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Mata de São João is a quite dry location, receiving approximately 335mm of precipitation annually, which averages out to around 28mm per month. The wettest month is January, averaging 33mm of rainfall. February and April also tend to see above-average precipitation. The driest month is September, with just 2mm. That's 31mm 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. Light snowfall can occur between November and November, totalling around 6cm annually. November is the snowiest month with approximately 6cm.

Mata de São João 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 January, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, 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 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Mata de São João, which began on June 21, 2026. Mata de São João 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 August at around 28°C, while the coldest stretch bottoms out in October near 3°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Mata de São João is during March, April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 25mm per month. By contrast, October can be quite cold with temperatures dropping to 3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mata de São João 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.