Climate averages 1991–2020
Kayes weather
in August.
A hot, wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Kayes: daytime highs average 31.7°C and nights cool to about 24.6°C. By daytime temperature it is the coolest month of the year.
Expect about 160 mm of rain on roughly 15 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average August day.
The nearest other city in this atlas is Tambacounda (251 km away). In August its highs average 30.8°C, 0.9°C cooler than Kayes, with 197 mm of rain.
Among the 13 cities listed in Mali, Kayes ranks 4th of 13 for the warmest August highs and 4th of 13 for the driest August (rainfall, lowest first). The mean August high of those 13 cities is 30.7°C; Kayes is 1.0°C warmer than that mean.
From August to September, average highs rise by 0.8°C to 32.5°C, and monthly rainfall falls from 160 mm to 108 mm.
The annual picture
August 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
Kayes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.7°C19.4°C | 19.4°C | 0.4 | 0.1 | 11.411 h |
| February | 36.6°C21.5°C | 21.5°C | 0.2 | 0.0 | 11.712 h |
| March | 39.5°C24.1°C | 24.1°C | 0.2 | 0.0 | 12.012 h |
| April | 41.8°C27.1°C | 27.1°C | 0.4 | 0.1 | 12.412 h |
| May | 42.0°C29.4°C | 29.4°C | 4.7 | 1.3 | 12.813 h |
| June | 39.5°C28.5°C | 28.5°C | 24 | 4.5 | 13.013 h |
| July | 34.5°C25.8°C | 25.8°C | 98 | 11.1 | 12.913 h |
| August, selected | 31.7°C24.6°C | 24.6°C | 160 | 15.0 | 12.613 h |
| September | 32.5°C24.7°C | 24.7°C | 108 | 11.1 | 12.212 h |
| October | 35.8°C25.1°C | 25.1°C | 24 | 4.4 | 11.812 h |
| November | 36.6°C22.3°C | 22.3°C | 1.0 | 0.2 | 11.511 h |
| December | 34.3°C20.1°C | 20.1°C | 1.2 | 0.1 | 11.311 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
August in nearby cities
- Tambacounda in AugustSenegal · 251 kmHigh 30.8°C · Low 23.9°C · 197 mm rain
- Kita in AugustMali · 263 kmHigh 28.6°C · Low 22.1°C · 259 mm rain
- Labé in AugustGuinea · 360 kmHigh 24.8°C · Low 18.6°C · 330 mm rain
- Kati in AugustMali · 411 kmHigh 28.5°C · Low 21.9°C · 258 mm rain
- Kolda in AugustSenegal · 415 kmHigh 29.7°C · Low 23.5°C · 292 mm rain
- Siguiri in AugustGuinea · 417 kmHigh 28.2°C · Low 21.7°C · 292 mm rain
- Dialakorodji in AugustMali · 423 kmHigh 28.9°C · Low 22.2°C · 258 mm rain
- Bamako in AugustMali · 427 kmHigh 28.7°C · Low 22.1°C · 253 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 Kayes) is explained once on the Kayes year overview and on the Sources, method and limits page.