Mali is demanding in every month. No month rates better than marginal on heat and rainfall together, so the trip is about tolerating the conditions rather than avoiding them.
Summer monsoon
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 33.3 | 92 | 1% | Too hot |
| February | 36.2 | 97 | 1% | Too hot |
| March | 38.8 | 102 | 2% | Too hot |
| April | 40.0 | 104 | 16% | Too hot |
| May | 38.6 | 101 | 44% | Too hot |
| June | 35.0 | 95 | 80% | Too hot |
| July | 31.1 | 88 | 94% | Too wet |
| August | 29.1 | 84 | 97% | Too wet |
| September | 30.1 | 86 | 92% | Too wet |
| October | 33.2 | 92 | 49% | Too hot |
| November | 34.7 | 94 | 3% | Too hot |
| December | 33.4 | 92 | 0% | Too hot |
Verdict combines mean daytime high with rainy-day frequency. “Rainy days” is the share of days in the month with at least 1 mm of rain.
December is the driest month, with rain on 0% of days and daytime highs near 33.4°C (92°F). August is the wettest, at 97%. The warmest month is April at 40.0°C (104°F); the coolest is August at 29.1°C (84°F). The record rules out too hot in Oct–Jun; too wet in Jul–Sep.