Climate Insights for Tucumã

The climate in Tucumã is hot. The average annual temperature is 25°C and approximately 200mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Tucumã sits near the equator, so seasonal temperature differences are minimal throughout the year.

Tucumã sees moderate temperature variation throughout the year, ranging from 16°C to 32°C. The warmest month is August, when average highs reach 32°C and the mean temperature sits around 26°C. October is the coolest month, with minimum temperatures around 16°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Tucumã is a quite dry location, receiving approximately 200mm of precipitation annually, which averages out to around 17mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 32mm 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.

Tucumã is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, 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 8km/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 2km/h in winter, 4km/h in spring, 8km/h in summer, 5km/h in autumn.

It is currently winter in Tucumã, which began on June 21, 2026. Tucumã sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in August at around 32°C, while the coldest stretch bottoms out in October near 16°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Tucumã is during June, July, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 8mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Tucumã 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.