Climate Overview
The climate in Barão de Melgaço is hot. The average annual temperature is 27°C and approximately 1132mm of precipitation falls per year. January is the wettest month, receiving around 200mm of rainfall. Barão de Melgaço 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: September, October, August. The coldest months are July, June, August, when temperatures can drop to 18°C.
Temperature
Barão de Melgaço sees moderate temperature variation throughout the year, ranging from 18°C to 36°C. September is the hottest month, with daytime highs reaching 36°C and an average of 30°C. July is the coolest month, with minimum temperatures around 18°C and an average of 25°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.
Precipitation
Barão de Melgaço is a moderately rainy area, receiving approximately 1132mm of precipitation annually, which averages out to around 94mm per month. The wettest month is January, averaging 200mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 198mm 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.
Wind
Barão de Melgaço is relatively calm, with an average annual wind speed of 11km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Barão de Melgaço, which began on March 20, 2026. Barão de Melgaço 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 September at around 36°C, while the coldest stretch bottoms out in July near 18°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 24 to 36°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 33°C. Rainfall is heavy, totalling around 567mm across the season with a monthly average of 189mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 32°C. Precipitation is moderate at around 276mm for the season, averaging 92mm per month. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 34°C. Precipitation is minimal, with only around 25mm for the entire season. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Barão de Melgaço is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 6mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 36°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Barão de Melgaço 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.
