Climate averages 1991–2020
Gao weather
in August.
A very hot, moderately wet month: the 8th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Gao: daytime highs average 37.0°C and nights cool to about 26.0°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 56 mm of rain on roughly 11 days, which makes August a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 40 min on an average August day.
The nearest other city in this atlas is Timbuktu (321 km away). In August its highs average 36.5°C, about as warm as Gao, with 47 mm of rain.
Among the 13 cities listed in Mali, Gao ranks 1st of 13 for the warmest August highs and 2nd of 13 for the driest August (rainfall, lowest first). The mean August high of those 13 cities is 30.7°C; Gao is 6.3°C warmer than that mean.
From August to September, average highs rise by 2.3°C to 39.2°C, and monthly rainfall falls from 56 mm to 16 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
Gao climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.0°C14.4°C | 14.4°C | 0.3 | 0.1 | 11.311 h |
| February | 33.3°C16.7°C | 16.7°C | 0.1 | 0.0 | 11.612 h |
| March | 37.2°C20.0°C | 20.0°C | 0.1 | 0.0 | 12.012 h |
| April | 40.8°C24.1°C | 24.1°C | 0.6 | 0.2 | 12.512 h |
| May | 42.2°C27.4°C | 27.4°C | 2.3 | 0.8 | 12.913 h |
| June | 41.7°C28.7°C | 28.7°C | 7.6 | 2.8 | 13.113 h |
| July | 39.0°C27.2°C | 27.2°C | 31 | 7.9 | 13.013 h |
| August, selected | 37.0°C26.0°C | 26.0°C | 56 | 11.2 | 12.713 h |
| September | 39.2°C26.7°C | 26.7°C | 16 | 4.3 | 12.212 h |
| October | 39.2°C24.9°C | 24.9°C | 2.6 | 0.8 | 11.812 h |
| November | 35.7°C19.8°C | 19.8°C | 0.1 | 0.0 | 11.411 h |
| December | 31.7°C15.9°C | 15.9°C | 0.1 | 0.0 | 11.211 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
- Timbuktu in AugustMali · 321 kmHigh 36.5°C · Low 26.3°C · 47 mm rain
- Kaya in AugustBurkina Faso · 371 kmHigh 30.6°C · Low 22.7°C · 158 mm rain
- Niamey in AugustNiger · 384 kmHigh 32.2°C · Low 24.1°C · 122 mm rain
- Ouahigouya in AugustBurkina Faso · 393 kmHigh 31.1°C · Low 23.2°C · 168 mm rain
- Pouytenga in AugustBurkina Faso · 449 kmHigh 30.1°C · Low 22.7°C · 191 mm rain
- Saaba in AugustBurkina Faso · 458 kmHigh 30.2°C · Low 22.8°C · 199 mm rain
- Ouagadougou in AugustBurkina Faso · 463 kmHigh 30.2°C · Low 22.8°C · 199 mm rain
- Fada N'gourma in AugustBurkina Faso · 470 kmHigh 29.6°C · Low 22.6°C · 196 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 Gao) is explained once on the Gao year overview and on the Sources, method and limits page.