Bamako is warmest in April, averaging 40° by day and 25° at night. The wettest month is August with 288 mm, and the year brings about 1140 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 34° | 16° | 0 mm | 11.3 h | Beach weather |
| February | 37° | 18° | 0 mm | 11.6 h | Very hot |
| March | 39° | 22° | 31 mm | 11.9 h | Very hot |
| April | 40° | 25° | 48 mm | 12.3 h | Very hot |
| May | 38° | 26° | 87 mm | 12.6 h | Very hot |
| June | 34° | 24° | 168 mm | 12.7 h | Mild |
| July | 31° | 23° | 239 mm | 12.7 h | Rainy season |
| August | 30° | 22° | 288 mm | 12.4 h | Rainy season |
| September | 31° | 22° | 198 mm | 12.1 h | Rainy season |
| October | 33° | 22° | 81 mm | 11.7 h | Beach weather |
| November | 35° | 20° | 0 mm | 11.4 h | Beach weather |
| December | 34° | 16° | 0 mm | 11.3 h | Beach weather |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: January, October, November and December — highs around 34°, nights no colder than 16°, and at most 81 mm of rain in a month.
Wet season: July, August and September — up to 288 mm in a single month.
Serious heat: In February, March, April and May the average high reaches 40°.