Climate Insights for Igarapé Miri

The climate in Igarapé Miri is cold. The average annual temperature is -29°C and approximately 57mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Igarapé Miri sits near the equator, so seasonal temperature differences are minimal throughout the year. Snowfall occurs from January to December, with around 57cm accumulating over the season.

Temperatures in Igarapé Miri vary considerably across the year, with a 29°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at -13°C with a mean of -16°C. October brings the harshest conditions, with lows dropping to -42°C and an average temperature of -41°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between October and November, with a 16°C shift in average temperatures.

Igarapé Miri is a quite dry location, receiving approximately 57mm of precipitation annually, which averages out to around 5mm per month. The wettest month is December, averaging 33mm of rainfall. November and January also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm less than December, 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. Snowfall is a regular feature from January to December, with around 57cm accumulating over the season. December typically sees the most snow at around 33cm.

Igarapé Miri is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 13km/h in spring, 9km/h in summer, 12km/h in autumn.

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 February at around -13°C, while the coldest stretch bottoms out in October near -42°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

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. 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.