Climate Overview
The climate in Bamako is hot. The average annual temperature is 28°C and approximately 807mm of precipitation falls per year. August is the wettest month, receiving around 266mm of rainfall. Bamako 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 18°C.
Temperature
Temperatures in Bamako vary considerably across the year, with a 22°C difference between the coldest and warmest months. 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 18°C and an average of 25°C. On average, daily temperatures fluctuate by about 11°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
Bamako is a moderately rainy area, receiving approximately 807mm of precipitation annually, which averages out to around 67mm per month. The wettest month is August, averaging 266mm of rainfall. July and September also tend to see above-average precipitation. The driest month is February, with just 0mm. That's 266mm 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
Bamako is mildly breezy, with an average annual wind speed of 15km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.
Seasons
90 days until Summer
It is currently spring in Bamako, which began on March 20, 2026. Bamako 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 18°C. Summer is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 25 to 40°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are moderate at around 16km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 23 to 35°C. Rainfall is heavy, totalling around 564mm across the season with a monthly average of 188mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 35°C. Precipitation is moderate at around 214mm for the season, averaging 71mm per month. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 18 to 36°C. Precipitation is minimal, with only around 2mm for the entire season. Winds are moderate at around 16km/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 Bamako 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.
