Climate Insights for Corumbá

The climate in Corumbá is hot. The average annual temperature is 26°C and approximately 1297mm of precipitation falls per year. January is the wettest month, receiving around 205mm of rainfall. Corumbá 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: October, September, November. The coldest months are July, June, August, when temperatures can drop to 17°C.

Corumbá sees moderate temperature variation throughout the year, ranging from 17°C to 34°C. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 17°C and an average of 22°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Corumbá is a fairly wet location, receiving approximately 1297mm of precipitation annually, which averages out to around 108mm per month. The wettest month is January, averaging 205mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 202mm less than January, 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.

Corumbá is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/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 winter in Corumbá, which began on June 21, 2026. Corumbá 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 October at around 34°C, while the coldest stretch bottoms out in July near 17°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Corumbá is during May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 40mm per month. By contrast, October can be uncomfortably hot with temperatures reaching 34°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 Corumbá 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.