Climate Overview
The climate in Boa Viagem is hot. The average annual temperature is 26°C and approximately 527mm of precipitation falls per year. March is the wettest month, receiving around 149mm of rainfall. Boa Viagem sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Boa Viagem sees moderate temperature variation throughout the year, ranging from 21°C to 34°C. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 21°C and an average of 25°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Boa Viagem is a relatively dry area, receiving approximately 527mm of precipitation annually, which averages out to around 44mm per month. The wettest month is March, averaging 149mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 1mm. That's 148mm 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
Boa Viagem is moderately windy, with an average annual wind speed of 20km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 23km/h in spring, 19km/h in summer, 17km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Boa Viagem, which began on March 20, 2026. Boa Viagem 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 34°C, while the coldest stretch bottoms out in July near 21°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 22 to 34°C. Precipitation is minimal, with only around 9mm for the entire season. Winds are moderate at around 23km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 22 to 33°C. Precipitation is moderate at around 191mm for the season, averaging 64mm per month. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 30°C. Precipitation is moderate at around 295mm for the season, averaging 98mm per month. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 32°C. Precipitation is minimal, with only around 32mm for the entire season. Winds are moderate at around 22km/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 Boa Viagem 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.
