Climate Overview
The climate in Santana do Acaraú is hot. The average annual temperature is 27°C and approximately 930mm of precipitation falls per year. March is the wettest month, receiving around 241mm of rainfall. Santana do Acaraú sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Santana do Acaraú sees moderate temperature variation throughout the year, ranging from 23°C to 35°C. The warmest month is October, when average highs reach 35°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 23°C and an average of 27°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Santana do Acaraú is a moderately rainy area, receiving approximately 930mm of precipitation annually, which averages out to around 78mm per month. The wettest month is March, averaging 241mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 2mm. That's 240mm 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
Santana do Acaraú is mildly breezy, with an average annual wind speed of 18km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 13km/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 20km/h in winter, 21km/h in spring, 17km/h in summer, 14km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Santana do Acaraú, which began on March 20, 2026. Santana do 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 35°C, while the coldest stretch bottoms out in July near 23°C. Winter is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 24 to 35°C. Precipitation is minimal, with only around 14mm for the entire season. Winds are moderate at around 21km/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 353mm across the season with a monthly average of 118mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 525mm across the season with a monthly average of 175mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 33°C. Precipitation is minimal, with only around 38mm for the entire season. Winds are moderate at around 20km/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 Santana do 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.