Niamey weather in 2025
Niamey weather in 2025, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2025 alongside other available years for Niamey.
Year summary
In 2025, Niamey averaged 36.8 C for daily highs and 24.5 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was +0.4 C from that baseline, and total precipitation was +120.1 mm from the baseline total.
The warmest month was April, with an average high of 42.0 C, while January had the lowest average low at 19.6 C.
The wettest month was August, totaling 215.8 mm. The hottest day reached 44.1 C on May 12, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 19.6 | 33.8 | 0.0 | 31 |
| February | 22.1 | 36.4 | 0.0 | 28 |
| March | 26.5 | 41.5 | 0.0 | 31 |
| April | 27.8 | 42.0 | 0.0 | 30 |
| May | 29.5 | 41.3 | 3.1 | 31 |
| June | 27.1 | 38.0 | 68.6 | 30 |
| July | 24.5 | 33.3 | 180.8 | 31 |
| August | 23.5 | 31.0 | 215.8 | 31 |
| September | 24.7 | 34.1 | 90.7 | 30 |
| October | 24.7 | 37.8 | 17.6 | 31 |
| November | 22.3 | 37.1 | 0.0 | 30 |
| December | 22.0 | 35.5 | 0.0 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | May 12, 2025 | 44.1 C |
| Coldest night | January 13, 2025 | 15.9 C |
| Wettest day | August 1, 2025 | 33.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.