Climate averages 1991–2020
Bamako weather
in May.
A very hot, fairly dry month: the joint 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Bamako: daytime highs average 37.8°C and nights cool to about 26.2°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 32 mm of rain on roughly 7 days, which makes May a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 42 min on an average May day.
The nearest other city in this atlas is Dialakorodji (11 km away). In May its highs average 38.3°C, 0.5°C warmer than Bamako, with 28 mm of rain.
Among the 13 cities listed in Mali, Bamako ranks joint 10th of 13 for the warmest May highs and 10th of 13 for the driest May (rainfall, lowest first). The mean May high of those 13 cities is 39.0°C; Bamako is 1.2°C cooler than that mean.
From May to June, average highs fall by 3.6°C to 34.2°C, and monthly rainfall rises from 32 mm to 92 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bamako climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.2°C17.8°C | 17.8°C | 1.5 | 0.2 | 11.511 h |
| February | 35.2°C20.2°C | 20.2°C | 0.7 | 0.1 | 11.712 h |
| March | 37.8°C23.3°C | 23.3°C | 2.1 | 0.6 | 12.112 h |
| April | 39.1°C26.0°C | 26.0°C | 7.0 | 2.2 | 12.412 h |
| May, selected | 37.8°C26.2°C | 26.2°C | 32 | 7.4 | 12.713 h |
| June | 34.2°C24.4°C | 24.4°C | 92 | 14.2 | 12.913 h |
| July | 29.9°C22.6°C | 22.6°C | 198 | 22.1 | 12.813 h |
| August | 28.7°C22.1°C | 22.1°C | 253 | 24.3 | 12.513 h |
| September | 29.6°C22.2°C | 22.2°C | 163 | 20.3 | 12.212 h |
| October | 31.9°C22.5°C | 22.5°C | 49 | 9.1 | 11.912 h |
| November | 34.1°C20.5°C | 20.5°C | 1.9 | 0.4 | 11.612 h |
| December | 32.6°C18.4°C | 18.4°C | 0.1 | 0.0 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Dialakorodji in MayMali · 11 kmHigh 38.3°C · Low 26.1°C · 28 mm rain
- Kati in MayMali · 18 kmHigh 37.9°C · Low 25.6°C · 28 mm rain
- Bougouni in MayMali · 143 kmHigh 36.0°C · Low 25.0°C · 61 mm rain
- Kita in MayMali · 171 kmHigh 39.0°C · Low 26.8°C · 21 mm rain
- Siguiri in MayGuinea · 185 kmHigh 36.1°C · Low 24.9°C · 54 mm rain
- Ségou in MayMali · 208 kmHigh 39.4°C · Low 27.4°C · 16 mm rain
- Koutiala in MayMali · 274 kmHigh 37.8°C · Low 26.3°C · 38 mm rain
- Kankan in MayGuinea · 287 kmHigh 33.6°C · Low 23.6°C · 126 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bamako) is explained once on the Bamako year overview and on the Sources, method and limits page.