Climate Overview
The climate in Igarapé Miri is hot. The average annual temperature is 28°C and approximately 2048mm of precipitation falls per year. March is the wettest month, receiving around 564mm of rainfall. Igarapé Miri sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Igarapé Miri sees moderate temperature variation throughout the year, ranging from 23°C to 35°C. The warmest month is August, when average highs reach 35°C and the mean temperature sits around 29°C. June is the coolest month, with minimum temperatures around 23°C and an average of 27°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Igarapé Miri is a very wet location, receiving approximately 2048mm of precipitation annually, which averages out to around 171mm per month. The wettest month is March, averaging 564mm of rainfall. April and February also tend to see above-average precipitation. The driest month is August, with just 25mm. That's 539mm 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
Igarapé Miri is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, 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 Igarapé Miri, which began on June 21, 2026. Igarapé Miri 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 35°C, while the coldest stretch bottoms out in June near 23°C. Spring is next, beginning on September 23, 2026 — 63 days from now.
Spring
Temperatures range from 24 to 34°C. Rainfall is relatively light, with around 130mm over the season and a monthly average of 43mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 635mm across the season with a monthly average of 212mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 1162mm across the season with a monthly average of 387mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 35°C. Rainfall is relatively light, with around 122mm over the season and a monthly average of 41mm. Winds are generally light, averaging 2km/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 Igarapé Miri 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.