Climate averages 1991–2020
Niamey weather
in August.
A hot, wet month: the 11th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Niamey: daytime highs average 32.2°C and nights cool to about 24.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 122 mm of rain on roughly 15 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average August day.
The nearest other city in this atlas is Dosso (128 km away). In August its highs average 31.3°C, 0.9°C cooler than Niamey, with 156 mm of rain.
Among the 8 cities listed in Niger, Niamey ranks 4th of 8 for the warmest August highs and 4th of 8 for the driest August (rainfall, lowest first). The mean August high of those 8 cities is 33.5°C; Niamey is 1.3°C cooler than that mean.
From August to September, average highs rise by 2.3°C to 34.5°C, and monthly rainfall falls from 122 mm to 45 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
Niamey climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.6°C15.8°C | 15.8°C | 0 | 0.0 | 11.411 h |
| February | 34.7°C18.0°C | 18.0°C | 0.1 | 0.0 | 11.712 h |
| March | 38.4°C21.3°C | 21.3°C | 1.0 | 0.4 | 12.012 h |
| April | 40.8°C25.1°C | 25.1°C | 1.9 | 0.6 | 12.412 h |
| May | 40.5°C27.9°C | 27.9°C | 8.3 | 2.3 | 12.713 h |
| June | 38.3°C27.3°C | 27.3°C | 21 | 5.1 | 12.913 h |
| July | 34.8°C25.4°C | 25.4°C | 61 | 10.7 | 12.813 h |
| August, selected | 32.2°C24.1°C | 24.1°C | 122 | 15.2 | 12.613 h |
| September | 34.5°C24.7°C | 24.7°C | 45 | 6.5 | 12.212 h |
| October | 37.4°C24.2°C | 24.2°C | 8.8 | 1.9 | 11.812 h |
| November | 36.0°C19.2°C | 19.2°C | 0 | 0.0 | 11.512 h |
| December | 32.7°C16.5°C | 16.5°C | 0 | 0.0 | 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
August in nearby cities
- Dosso in AugustNiger · 128 kmHigh 31.3°C · Low 23.7°C · 156 mm rain
- Fada N'gourma in AugustBurkina Faso · 249 kmHigh 29.6°C · Low 22.6°C · 196 mm rain
- Birnin Kebbi in AugustNigeria · 255 kmHigh 30.5°C · Low 23.4°C · 187 mm rain
- Jega in AugustNigeria · 285 kmHigh 30.0°C · Low 23.3°C · 216 mm rain
- Pouytenga in AugustBurkina Faso · 309 kmHigh 30.1°C · Low 22.7°C · 191 mm rain
- Birni N Konni in AugustNiger · 341 kmHigh 31.8°C · Low 24.1°C · 129 mm rain
- Sokoto in AugustNigeria · 343 kmHigh 30.6°C · Low 23.5°C · 171 mm rain
- Kaya in AugustBurkina Faso · 349 kmHigh 30.6°C · Low 22.7°C · 158 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 Niamey) is explained once on the Niamey year overview and on the Sources, method and limits page.