Climate averages 1991–2020
Gao weather
in July.
A very hot, fairly dry month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Gao: daytime highs average 39.0°C and nights cool to about 27.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 31 mm of rain on roughly 8 days, which makes July a fairly dry month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average July day.
The nearest other city in this atlas is Timbuktu (321 km away). In July its highs average 38.5°C, about as warm as Gao, with 25 mm of rain.
Among the 13 cities listed in Mali, Gao ranks 1st of 13 for the warmest July highs and 2nd of 13 for the driest July (rainfall, lowest first). The mean July high of those 13 cities is 32.5°C; Gao is 6.5°C warmer than that mean.
From July to August, average highs fall by 2.0°C to 37.0°C, and monthly rainfall rises from 31 mm to 56 mm.
The annual picture
July 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, selected | 39.0°C27.2°C | 27.2°C | 31 | 7.9 | 13.013 h |
| August | 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
July in nearby cities
- Timbuktu in JulyMali · 321 kmHigh 38.5°C · Low 27.6°C · 25 mm rain
- Kaya in JulyBurkina Faso · 371 kmHigh 33.0°C · Low 23.8°C · 100 mm rain
- Niamey in JulyNiger · 384 kmHigh 34.8°C · Low 25.4°C · 61 mm rain
- Ouahigouya in JulyBurkina Faso · 393 kmHigh 33.6°C · Low 24.2°C · 108 mm rain
- Pouytenga in JulyBurkina Faso · 449 kmHigh 32.2°C · Low 23.6°C · 105 mm rain
- Saaba in JulyBurkina Faso · 458 kmHigh 32.1°C · Low 23.7°C · 122 mm rain
- Ouagadougou in JulyBurkina Faso · 463 kmHigh 32.2°C · Low 23.8°C · 122 mm rain
- Fada N'gourma in JulyBurkina Faso · 470 kmHigh 31.8°C · Low 23.5°C · 109 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.