Climate Overview
The climate in Santa Maria da Boa Vista is hot. The average annual temperature is 28°C and approximately 348mm of precipitation falls per year. March is the wettest month, receiving around 67mm of rainfall. Santa Maria da Boa Vista sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Santa Maria da Boa Vista sees moderate temperature variation throughout the year, ranging from 20°C to 36°C. October is the hottest month, with daytime highs reaching 36°C and an average of 29°C. August is the coolest month, with minimum temperatures around 20°C and an average of 26°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs.
Precipitation
Santa Maria da Boa Vista is a quite dry location, receiving approximately 348mm of precipitation annually, which averages out to around 29mm per month. The wettest month is March, averaging 67mm of rainfall. January and February also tend to see above-average precipitation. The driest month is September, with just 3mm. That's 64mm 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
Santa Maria da Boa Vista 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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
8 days until Winter
It is currently autumn in Santa Maria da Boa Vista, which began on March 20, 2026. Santa Maria da Boa Vista 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 36°C, while the coldest stretch bottoms out in August near 20°C. Winter is next, beginning on June 21, 2026 — 8 days from now.
Spring
Temperatures range from 21 to 36°C. Precipitation is minimal, with only around 42mm for the entire season. Winds are generally light, averaging 6km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 35°C. Rainfall is relatively light, with around 145mm over the season and a monthly average of 48mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 34°C. Rainfall is relatively light, with around 138mm over the season and a monthly average of 46mm. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 20 to 32°C. Precipitation is minimal, with only around 22mm for the entire season. Winds are generally light, averaging 7km/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 Santa Maria da Boa Vista 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.
