Climate Overview
The climate in Tucumã is hot. The average annual temperature is 27°C and approximately 3167mm of precipitation falls per year. March is the wettest month, receiving around 578mm of rainfall. Tucumã sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Tucumã has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is October, when average highs reach 33°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Tucumã is a very wet location, receiving approximately 3167mm of precipitation annually, which averages out to around 264mm per month. The wettest month is March, averaging 578mm of rainfall. April and February also tend to see above-average precipitation. The driest month is October, with just 21mm. That's 557mm less than March, 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
Tucumã is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Tucumã, which began on March 20, 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 October at around 33°C, while the coldest stretch bottoms out in January near 24°C. Winter is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 25 to 33°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 1088mm across the season with a monthly average of 363mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 1539mm across the season with a monthly average of 513mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 389mm across the season with a monthly average of 130mm. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
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.
