Climate averages 1991–2020
Kayes weather
in May.
A very hot, very dry month: the 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 Kayes: daytime highs average 42.0°C and nights cool to about 29.4°C. By daytime temperature it is the warmest month of the year.
Expect about 4.7 mm of rain on roughly 1 day, which makes May a very dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 47 min on an average May day.
The nearest other city in this atlas is Tambacounda (251 km away). In May its highs average 40.9°C, 1.1°C cooler than Kayes, with 3.5 mm of rain.
Among the 13 cities listed in Mali, Kayes ranks 2nd of 13 for the warmest May highs and 3rd of 13 for the driest May (rainfall, lowest first). The mean May high of those 13 cities is 39.0°C; Kayes is 3.0°C warmer than that mean.
From May to June, average highs fall by 2.5°C to 39.5°C, and monthly rainfall rises from 4.7 mm to 24 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
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, selected | 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 | 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
May in nearby cities
- Tambacounda in MaySenegal · 251 kmHigh 40.9°C · Low 26.8°C · 3.5 mm rain
- Kita in MayMali · 263 kmHigh 39.0°C · Low 26.8°C · 21 mm rain
- Labé in MayGuinea · 360 kmHigh 30.9°C · Low 20.4°C · 114 mm rain
- Kati in MayMali · 411 kmHigh 37.9°C · Low 25.6°C · 28 mm rain
- Kolda in MaySenegal · 415 kmHigh 38.6°C · Low 24.6°C · 3.0 mm rain
- Siguiri in MayGuinea · 417 kmHigh 36.1°C · Low 24.9°C · 54 mm rain
- Dialakorodji in MayMali · 423 kmHigh 38.3°C · Low 26.1°C · 28 mm rain
- Bamako in MayMali · 427 kmHigh 37.8°C · Low 26.2°C · 32 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.