Climate Insights for Manaus

The climate in Manaus is cold. The average annual temperature is -58°C and approximately 31mm of precipitation falls per year. December is the wettest month, receiving around 13mm of rainfall. Manaus sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between October and December.

Manaus has a wide annual temperature range, spanning 36°C from the coldest to warmest months. November is the warmest month, though highs remain moderate at -39°C with a mean of -43°C. June brings the harshest conditions, with lows dropping to -75°C and an average temperature of -73°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between July and August, with a 10°C shift in average temperatures.

Manaus is a quite dry location, receiving approximately 31mm of precipitation annually, which averages out to around 3mm per month. The wettest month is November, averaging 13mm of rainfall. December and October also tend to see above-average precipitation. The driest month is January, with just 0mm. 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. Light snowfall can occur between October and December, totalling around 31cm annually. November is the snowiest month with approximately 13cm.

Manaus is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Manaus, which began on June 21, 2026. Manaus sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around -39°C, while the coldest stretch bottoms out in June near -75°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Manaus 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.