Average annual temperature is 28.6 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 304 days
Number of rainy days: 61 days
Look at detailed online map of Koséiri
* Weather data for Koséiri Niger is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.4 | 38.1 | 40.2 | 42.7 | 42.1 | 40.3 | 38.0 | 38.3 | 39.5 | 38.3 | 37.5 | 35.1 |
| Average daytime temperature (°C) | 29.5 | 31.4 | 36.8 | 39.3 | 40.4 | 36.0 | 35.2 | 33.4 | 35.4 | 36.1 | 34.8 | 29.6 |
| Average temperature (°C) | 22.0 | 24.0 | 29.6 | 32.4 | 34.2 | 30.8 | 30.5 | 28.7 | 30.0 | 29.8 | 28.2 | 22.3 |
| Average night temperature (°C) | 15.8 | 17.7 | 23.3 | 26.0 | 28.1 | 26.3 | 26.2 | 24.8 | 25.5 | 24.2 | 22.3 | 16.3 |
| Absolute minimum temperature (°C) | 13.0 | 14.6 | 19.5 | 21.9 | 24.0 | 23.2 | 23.2 | 22.9 | 23.1 | 20.7 | 17.6 | 13.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.9 | 10.5 | 10.3 | 11.0 | 10.1 | 10.1 | 9.8 | 9.9 | 10.0 | 9.8 | 10.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 31 | 60 | 76 | 28 | 1 | 2 | 0 |
| Sunny days | 31 | 28 | 30 | 29 | 31 | 18 | 20 | 13 | 17 | 29 | 27 | 31 |
| Rainy days | 0 | 0 | 1 | 1 | 0 | 12 | 11 | 18 | 13 | 2 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koséiri is at