Climate Overview
The climate in Mairiporã is warm and mild. The average annual temperature is 20°C and approximately 1445mm of precipitation falls per year. January is the wettest month, receiving around 232mm of rainfall. Mairiporã 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: February, April, December. The coldest months are June, July, August, when temperatures can drop to 11°C.
Temperature
Mairiporã sees moderate temperature variation throughout the year, ranging from 11°C to 29°C. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 24°C. June is the coolest month, with minimum temperatures around 11°C and an average of 15°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.
Precipitation
Mairiporã is a fairly wet location, receiving approximately 1445mm of precipitation annually, which averages out to around 120mm per month. The wettest month is January, averaging 232mm of rainfall. February and November also tend to see above-average precipitation. The driest month is July, with just 6mm. That's 225mm 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.
Wind
Mairiporã 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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
63 days until Spring
It is currently winter in Mairiporã, which began on June 21, 2026. Mairiporã 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 February at around 29°C, while the coldest stretch bottoms out in June near 11°C. Spring is next, beginning on September 23, 2026 — 63 days from now.
Spring
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 558mm across the season with a monthly average of 186mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 14 to 29°C. Precipitation is moderate at around 281mm for the season, averaging 94mm per month. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 24°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Mairiporã is during April, May, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 47mm per month. By contrast, February can be uncomfortably hot with highs reaching 29°C, while June is the coldest period with lows dropping to 11°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Mairiporã 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.