Niamey weather in August
August in Niamey: sweltering, rainy, with clean air — a good time to visit.
#6 of 12 months in Niamey · #470 of 604 destinations to visit in August · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Niamey climate normals — August
| Daytime high | 32°C / 90°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 129 mm / 5.1 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.6 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Niamey in August — FAQ
- Is August a good time to visit Niamey?
- August in Niamey: sweltering, rainy, with clean air — a good time to visit. It ranks #6 of 12 months for Niamey on SeasonMap's comfort score (63/100).
- What is the weather like in Niamey in August?
- In August, Niamey averages a daily high of 32.1°C and a low of 24.2°C, with about 128.7 mm of rain over roughly 15.2 rainy days.
- What is the air quality in Niamey in August?
- Niamey has a mean US Air Quality Index of about 38 in August.