Climate Insights for Casimiro de Abreu

The climate in Casimiro de Abreu is warm and mild. The average annual temperature is 23°C and approximately 1864mm of precipitation falls per year. Casimiro de Abreu receives a notable amount of rainfall throughout the year, including during its driest month. Casimiro de Abreu is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are July, August, June, when temperatures can drop to 15°C.

Casimiro de Abreu sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 15°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Casimiro de Abreu is a fairly wet location, receiving approximately 1864mm of precipitation annually, which averages out to around 155mm per month. The wettest month is December, averaging 297mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 30mm. That's 267mm less than December, 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.

Casimiro de Abreu is relatively calm, with an average annual wind speed of 3km/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 4km/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 1km/h gap between the calmest and windiest months.

It is currently autumn in Casimiro de Abreu, which began on March 20, 2026. Casimiro de Abreu is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 29°C, while the coldest stretch bottoms out in July near 15°C. Winter is next, beginning on June 21, 2026 — 12 days from now.

The best time to visit Casimiro de Abreu is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 57mm per month. By contrast, February 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 Casimiro de Abreu 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.