Niamey weather in May
May in Niamey: sweltering, dry — one of the weakest months to visit.
#12 of 12 months in Niamey · #602 of 604 destinations to visit in May · comfort 38/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Niamey climate normals — May
| Daytime high | 41°C / 106°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 29°C / 83°F | |
| Feels like (high) | 43°C / 109°F | |
| Rainfall | 4 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 35% | 🌵 dry |
| Dew point | 16°C / 60°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 12.8 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 81 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Niamey?
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Niamey in May — FAQ
- Is May a good time to visit Niamey?
- May in Niamey: sweltering, dry — one of the weakest months to visit. It ranks #12 of 12 months for Niamey on SeasonMap's comfort score (38/100).
- What is the weather like in Niamey in May?
- In May, Niamey averages a daily high of 41.2°C and a low of 28.6°C, with about 4.2 mm of rain over roughly 1 rainy days.
- What is the air quality in Niamey in May?
- Niamey has a mean US Air Quality Index of about 81 in May.