Climate Overview
The climate in Macapá is cold. The average annual temperature is 0°C and approximately 386mm of precipitation falls per year. November is the wettest month, receiving around 33mm of rainfall. Macapá sits near the equator, so seasonal temperature differences are minimal throughout the year. Macapá experiences heavy snowfall, typically from January through December.
Temperature
Macapá has relatively stable temperatures year-round, staying within a 8°C range. May is the warmest month, though highs remain moderate at 4°C with a mean of 2°C. The coldest month is September, when overnight lows fall to -4°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Macapá is a quite dry location, receiving approximately 386mm of precipitation annually, which averages out to around 32mm 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 December, with just 25mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Macapá receives heavy snowfall, accumulating around 343cm annually from January through December. The snowiest month is January, with approximately 33cm. Winter travel should account for significant snow cover.
Wind
Macapá is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 15km/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 10km/h in winter, 18km/h in spring, 15km/h in summer, 10km/h in autumn.
Seasons
16 days until Autumn
It is currently summer in Macapá, which began on June 21, 2026. Macapá sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 4°C, while the coldest stretch bottoms out in September near -4°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.
Spring
Temperatures range from -1 to 4°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are moderate at around 18km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from -3 to 3°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are moderate at around 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 1°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Expect around 98cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -2 to 2°C. Rainfall is relatively light, with around 91mm over the season and a monthly average of 30mm. Expect around 90cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Macapá 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.
