Climate Overview
The climate in Birao is hot. The average annual temperature is 29°C and approximately 655mm of precipitation falls per year. August is the wettest month, receiving around 217mm of rainfall. Birao is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are January, December, November, when temperatures can drop to 20°C.
Temperature
Birao sees moderate temperature variation throughout the year, ranging from 20°C to 40°C. April is the hottest month, with daytime highs reaching 40°C and an average of 33°C. January is the coolest month, with minimum temperatures around 20°C and an average of 27°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.
Precipitation
Birao is a relatively dry area, receiving approximately 655mm of precipitation annually, which averages out to around 55mm per month. The wettest month is August, averaging 217mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 217mm less than August, 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
Birao is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 6km/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 14km/h in winter, 11km/h in spring, 9km/h in summer, 8km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Birao, which began on September 23, 2026. Birao is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 40°C, while the coldest stretch bottoms out in January near 20°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 25 to 40°C. Precipitation is minimal, with only around 34mm for the entire season. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 22 to 34°C. Rainfall is heavy, totalling around 452mm across the season with a monthly average of 151mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 36°C. Precipitation is moderate at around 169mm for the season, averaging 56mm per month. Winds are generally light, averaging 8km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 20 to 37°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Birao 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.