Climate averages 1991–2020
Gao weather
in October.
A very hot, very dry month: the joint 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a very hot month in Gao: daytime highs average 39.2°C and nights cool to about 24.9°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 2.6 mm of rain on fewer than one day, which makes October a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 47 min on an average October day.
The nearest other city in this atlas is Timbuktu (321 km away). In October its highs average 38.0°C, 1.2°C cooler than Gao, with 3.3 mm of rain.
Among the 13 cities listed in Mali, Gao ranks 1st of 13 for the warmest October highs and 1st of 13 for the driest October (rainfall, lowest first). The mean October high of those 13 cities is 34.1°C; Gao is 5.2°C warmer than that mean.
From October to November, average highs fall by 3.6°C to 35.7°C, and monthly rainfall falls from 2.6 mm to under 1 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Timbuktu in OctoberMali · 321 kmHigh 38.0°C · Low 24.3°C · 3.3 mm rain
- Kaya in OctoberBurkina Faso · 371 kmHigh 35.7°C · Low 23.7°C · 18 mm rain
- Niamey in OctoberNiger · 384 kmHigh 37.4°C · Low 24.2°C · 8.8 mm rain
- Ouahigouya in OctoberBurkina Faso · 393 kmHigh 36.2°C · Low 23.4°C · 18 mm rain
- Pouytenga in OctoberBurkina Faso · 449 kmHigh 34.4°C · Low 23.5°C · 26 mm rain
- Saaba in OctoberBurkina Faso · 458 kmHigh 34.2°C · Low 23.7°C · 33 mm rain
- Ouagadougou in OctoberBurkina Faso · 463 kmHigh 34.4°C · Low 23.7°C · 33 mm rain
- Fada N'gourma in OctoberBurkina Faso · 470 kmHigh 34.5°C · Low 23.5°C · 33 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.