Climate Insights for Santana do Acaraú

The climate in Santana do Acaraú is cold. The average annual temperature is -50°C and approximately 61mm of precipitation falls per year. December is the wettest month, receiving around 18mm of rainfall. Santana do Acaraú sits near the equator, so seasonal temperature differences are minimal throughout the year. Snowfall occurs from June to December, with around 61cm accumulating over the season.

Temperatures in Santana do Acaraú vary considerably across the year, with a 31°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at -36°C with a mean of -39°C. March brings the harshest conditions, with lows dropping to -67°C and an average temperature of -65°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.

Santana do Acaraú is a quite dry location, receiving approximately 61mm of precipitation annually, which averages out to around 5mm per month. The wettest month is December, averaging 18mm of rainfall. November and August also tend to see above-average precipitation. The driest month is January, with just 0mm. 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. Snowfall is a regular feature from June to December, with around 61cm accumulating over the season. December typically sees the most snow at around 18cm.

Santana do Acaraú is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently winter in Santana do Acaraú, which began on June 21, 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 July at around -36°C, while the coldest stretch bottoms out in March near -67°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

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. 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.