Climate averages 1991–2020
Niamey weather
in January.
A hot, very dry month: the coolest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Niamey: daytime highs average 31.6°C and nights cool to about 15.8°C. By daytime temperature it is the coolest month of the year.
Rain is very rare: less than 1 mm falls in a typical January (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 11 h 25 min on an average January day.
The nearest other city in this atlas is Dosso (128 km away). In January its highs average 32.3°C, 0.7°C warmer than Niamey, with almost no rain (under 1 mm).
Among the 8 cities listed in Niger, Niamey ranks 2nd of 8 for the warmest January highs and joint 1st of 8 for the driest January (rainfall, lowest first). The mean January high of those 8 cities is 29.8°C; Niamey is 1.8°C warmer than that mean.
From January to February, average highs rise by 3.1°C to 34.7°C, and monthly rainfall stays under 1 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Dosso in JanuaryNiger · 128 kmHigh 32.3°C · Low 16.8°C · 0 mm rain
- Fada N'gourma in JanuaryBurkina Faso · 249 kmHigh 33.6°C · Low 18.5°C · 0.1 mm rain
- Birnin Kebbi in JanuaryNigeria · 255 kmHigh 33.0°C · Low 18.7°C · 0 mm rain
- Jega in JanuaryNigeria · 285 kmHigh 33.2°C · Low 18.9°C · 0 mm rain
- Pouytenga in JanuaryBurkina Faso · 309 kmHigh 32.8°C · Low 17.4°C · 0 mm rain
- Birni N Konni in JanuaryNiger · 341 kmHigh 31.1°C · Low 16.6°C · 0 mm rain
- Sokoto in JanuaryNigeria · 343 kmHigh 31.6°C · Low 17.7°C · 0 mm rain
- Kaya in JanuaryBurkina Faso · 349 kmHigh 31.5°C · Low 16.4°C · 0.1 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.