Climate averages 1991–2020
Gao weather
in April.
A very hot, very dry month: the 3rd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a very hot month in Gao: daytime highs average 40.8°C and nights cool to about 24.1°C. By daytime temperature it is the 3rd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical April (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average April day.
The nearest other city in this atlas is Timbuktu (321 km away). In April its highs average 39.0°C, 1.8°C cooler than Gao, with almost no rain (under 1 mm).
Among the 13 cities listed in Mali, Gao ranks 2nd of 13 for the warmest April highs and 3rd of 13 for the driest April (rainfall, lowest first). The mean April high of those 13 cities is 39.5°C; Gao is 1.3°C warmer than that mean.
From April to May, average highs rise by 1.4°C to 42.2°C, and monthly rainfall rises from under 1 mm to 2.3 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Timbuktu in AprilMali · 321 kmHigh 39.0°C · Low 23.3°C · 0.2 mm rain
- Kaya in AprilBurkina Faso · 371 kmHigh 39.7°C · Low 25.7°C · 5.1 mm rain
- Niamey in AprilNiger · 384 kmHigh 40.8°C · Low 25.1°C · 1.9 mm rain
- Ouahigouya in AprilBurkina Faso · 393 kmHigh 40.2°C · Low 25.3°C · 5.4 mm rain
- Pouytenga in AprilBurkina Faso · 449 kmHigh 39.5°C · Low 26.3°C · 10 mm rain
- Saaba in AprilBurkina Faso · 458 kmHigh 39.5°C · Low 26.4°C · 12 mm rain
- Ouagadougou in AprilBurkina Faso · 463 kmHigh 39.6°C · Low 26.4°C · 12 mm rain
- Fada N'gourma in AprilBurkina Faso · 470 kmHigh 39.7°C · Low 26.7°C · 14 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.