Climate Insights for Casimiro de Abreu

The climate in Casimiro de Abreu is hot. The average annual temperature is 28°C and approximately 355mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. 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: April, March, December. The coldest months are February, March, January, when temperatures can drop to 21°C.

Casimiro de Abreu sees moderate temperature variation throughout the year, ranging from 21°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 29°C. February 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 4°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.

Casimiro de Abreu is a quite dry location, receiving approximately 355mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 33mm of rainfall. May and June also tend to see above-average precipitation. The driest month is March, with just 7mm. That's 26mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Casimiro de Abreu 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 May, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 1km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8km/h in winter, 6km/h in spring, 1km/h in summer, 6km/h in autumn.

It is currently winter in Casimiro de Abreu, which began on June 21, 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 April at around 33°C, while the coldest stretch bottoms out in February near 21°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Casimiro de Abreu is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 26mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

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.