Climate Overview
The climate in Acaraú is hot. The average annual temperature is 28°C and approximately 993mm of precipitation falls per year. April is the wettest month, receiving around 311mm of rainfall. Acaraú sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Acaraú has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 24°C and an average of 28°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Acaraú is a moderately rainy area, receiving approximately 993mm of precipitation annually, which averages out to around 83mm per month. The wettest month is April, averaging 311mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 3mm. That's 308mm less than April, 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
Acaraú is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 5km/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. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
61 days until Spring
It is currently winter in Acaraú, which began on June 21, 2026. Acaraú 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 24°C. Spring is next, beginning on September 23, 2026 — 61 days from now.
Spring
Temperatures range from 25 to 34°C. Precipitation is minimal, with only around 16mm for the entire season. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 447mm across the season with a monthly average of 149mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 503mm across the season with a monthly average of 168mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 34°C. Precipitation is minimal, with only around 28mm for the entire season. Winds are generally light, averaging 4km/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 Acaraú 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.