Climate Insights for Sirinhaém

The climate in Sirinhaém is hot. The average annual temperature is 26°C and approximately 1099mm of precipitation falls per year. Sirinhaém receives a notable amount of rainfall throughout the year, including during its driest month. Sirinhaém sits near the equator, so seasonal temperature differences are minimal throughout the year.

Sirinhaém has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Sirinhaém is a moderately rainy area, receiving approximately 1099mm of precipitation annually, which averages out to around 92mm per month. The wettest month is June, averaging 184mm of rainfall. May and July also tend to see above-average precipitation. The driest month is October, with just 34mm. That's 151mm less than June, 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.

Sirinhaém is mildly breezy, with an average annual wind speed of 19km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

It is currently autumn in Sirinhaém, which began on March 20, 2026. Sirinhaém sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit Sirinhaém is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 65mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Sirinhaém 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.