Climate Insights for Belo Horizonte

The climate in Belo Horizonte is warm and mild. The average annual temperature is 22°C and approximately 956mm of precipitation falls per year. January is the wettest month, receiving around 203mm of rainfall. Belo Horizonte 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, January, September. The coldest months are July, June, August, when temperatures can drop to 13°C.

Belo Horizonte sees moderate temperature variation throughout the year, ranging from 13°C to 30°C. The warmest month is October, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 13°C and an average of 19°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Belo Horizonte is a moderately rainy area, receiving approximately 956mm of precipitation annually, which averages out to around 80mm per month. The wettest month is January, averaging 203mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 1mm. 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.

Belo Horizonte 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 September, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 Belo Horizonte, which began on June 21, 2026. Belo Horizonte 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 30°C, while the coldest stretch bottoms out in July near 13°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Belo Horizonte is during March, April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 36mm per month. 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 Belo Horizonte 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.