Niamey, Niger Weather
Niamey hourly forecast: next 24 hours
Today's high of 99°F (37°C) is about 10°F (6°C) above the typical August high of 89°F (32°C).
Current conditions in detail
Niamey weather tomorrow (Thursday, August 27)
Tomorrow in Niamey looks overcast, with a high of 95° and an overnight low of 79°. Precipitation chance is modest at 36%. Winds top out near 16 mph, and the UV index reaches 10 (very high).
Niamey 14-day forecast
About the weather in Niamey
Warmth is the constant in Niamey: 85°F (29°C) averaged across all twelve months, never dropping below 90°F (32°C) even in January. August is the wettest month at 6.1 inches (155 mm).
Niamey weather: quick facts
- Hottest month: May - highs near 105°F (41°C)
- Coldest month: January - highs near 90°F (32°C)
- Decade extremes (2015-2024): 112°F (44°C) high · 53°F (12°C) low
- Wettest month: August (16 rainy days) · Sunniest: May (11.0 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 11°C between the average warmest and coolest month · day to night: 13°C
- Months averaging 30°C or hotter: 12
- Average humidity: 37%
Temperatures through the year
January is the coolest month, with highs of 90°F (32°C) and lows near 62°F (16°C). At its warmest, in May, Niamey runs to 105°F (41°C) in the afternoon and back to 84°F (29°C) by dawn. May is the brightest month at 11.0 hours of sun a day, against an annual average of 10.5 - sunnier than roughly 82% of the cities we track.
Rain, sun and snow
Days and nights are about 13°C apart on average - wider than 94% of the 3496 cities in our dataset. The wettest month is August (6.1 inches (155 mm) across 16 days) and the driest January. 8 months average under 20 mm of rain, the longest unbroken stretch running October through May. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 112°F (44°C) and the lowest daily minimum 53°F (12°C).
Season by season
March through May
March through May turns very hot here - highs near 104°F (40°C), nights near 79°F (26°C), and precipitation is sparse, near 9 mm (0.4 in) for the season. Daylight is generous - around 10.9 hours of sun a day.
June through August
June through August in Niamey is punishingly hot, with daytime highs averaging 95°F (35°C) and nights around 78°F (26°C); rain falls on around 33 of the 90 days. Daylight is generous - around 10.1 hours of sun a day.
September through November
September through November is punishingly hot here - highs near 96°F (36°C), nights near 74°F (23°C), and rain comes on about 9 days over the three months. Daylight is generous - around 10.6 hours of sun a day.
December through February
December through February in Niamey is punishingly hot, with daytime highs averaging 92°F (33°C) and nights around 64°F (18°C); precipitation is essentially absent. Daylight is generous - around 10.5 hours of sun a day.
Average temperatures in Niamey by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 90° | 62° | 0 | 0.0 in | 10.3 h/day | 15% |
| February | 95° | 66° | 0 | 0.0 in | 10.6 h/day | 13% |
| March | 102° | 74° | 0 | 0.0 in | 10.8 h/day | 14% |
| April | 106° | 79° | 0 | 0.0 in | 10.9 h/day | 20% |
| May | 105° | 84° | 2 | 0.3 in | 11.0 h/day | 36% |
| June | 100° | 82° | 5 | 1.3 in | 10.8 h/day | 50% |
| July | 94° | 78° | 12 | 3.0 in | 10.2 h/day | 64% |
| August | 89° | 76° | 16 | 6.1 in | 9.3 h/day | 75% |
| September | 93° | 77° | 7 | 1.8 in | 10.2 h/day | 68% |
| October | 99° | 76° | 2 | 0.3 in | 10.6 h/day | 44% |
| November | 97° | 69° | 0 | 0.0 in | 10.9 h/day | 22% |
| December | 91° | 64° | 0 | 0.0 in | 10.6 h/day | 18% |