Climate Insights for Acarau
Região Geográfica Intermediária de Cruzeiro do Sul, Acre, Brazil
Climate Overview
The climate in Acarau is hot. The average annual temperature is 26°C and approximately 2,113 mm of precipitation falls per year. Acarau receives a notable amount of rainfall throughout the year, including during its driest month. Acarau sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Acarau is hot. The average annual temperature is 78°F and approximately 83.2 in of precipitation falls per year. Acarau receives a notable amount of rainfall throughout the year, including during its driest month. Acarau sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Acarau sees moderate temperature variation throughout the year, ranging from 21°C to 32°C. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 21°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Acarau sees moderate temperature variation throughout the year, ranging from 69°F to 90°F. The warmest month is September, when average highs reach 90°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 69°F and an average of 77°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.
Precipitation
Acarau is a very wet location, receiving approximately 2,113 mm of precipitation annually, which averages out to around 176 mm per month. The wettest month is March, averaging 299 mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 31 mm. That's 268 mm 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.Acarau is a very wet location, receiving approximately 83.2 in of precipitation annually, which averages out to around 6.9 in per month. The wettest month is March, averaging 11.8 in of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 1.2 in. That's 10.6 in 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
Acarau is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 6km/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. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Acarau is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Acarau is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 62 mm per month. By contrast, September can be uncomfortably hot with highs reaching 32°C, while July is the coldest period with lows dropping to 21°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Acarau is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 76°F with modest rainfall averaging 2.4 in per month. By contrast, September can be uncomfortably hot with highs reaching 90°F, while July is the coldest period with lows dropping to 69°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Acarau 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.The table below shows monthly climate averages for Acarau based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.