When to Niamey
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January offers some of the most tolerable conditions in Niamey with no rainfall and the coolest nighttime temperatures of the year. Despite being the 'coolest' month, daytime highs still reach a sweltering 98°F. The dry harmattan winds may bring dust from the Sahara.
February
February continues the dry season with increasing heat as temperatures climb to 104°F. The month remains completely dry with pleasant cool nights providing some relief. This marks the end of the most comfortable period before the extreme heat arrives.
March
March ushers in the hottest period of the year with scorching 108°F highs and still no rainfall for relief. The heat becomes increasingly oppressive as the city prepares for the peak hot season. Nighttime temperatures also begin rising significantly.
April
April reaches extreme heat levels with dangerous 111°F temperatures and the first minimal rainfall of 0.4 inches. The combination of intense heat and high humidity makes outdoor activities very challenging. This marks the beginning of the transition toward the wet season.
May
May maintains the year's peak temperatures at 111°F with slightly increased rainfall to 1.0 inches. The heat remains at dangerous levels while the approaching wet season brings occasional storms. This is one of the most challenging months for visitors.
June
June marks the beginning of the wet season with temperatures dropping slightly to 107°F and rainfall increasing to 3.1 inches. While still extremely hot, the occasional rains provide some relief from the dust and heat. Humidity combined with heat creates challenging conditions.
July
July brings more substantial relief with temperatures dropping to 102°F and significant rainfall of 5.7 inches. The wet season is in full swing, providing much-needed moisture and slightly more bearable temperatures. However, humidity and heat still create uncomfortable conditions.
August
August represents the wettest and relatively coolest month with 98°F highs and peak rainfall of 7.6 inches. This is the heart of the wet season when temperatures are at their most manageable, though still quite hot. The rains help settle dust and provide some atmospheric relief.
September
September continues the wet season with temperatures rising back to 102°F and moderate rainfall of 3.4 inches. As the wet season begins to wind down, heat starts building again. This transitional month still offers some relief from the extreme dry season heat.
October
October marks the transition back to the dry season with rising temperatures to 104°F and minimal rainfall of 0.7 inches. The wet season is ending, and the heat begins building toward the intense dry months. Conditions become increasingly challenging again.
November
November returns to completely dry conditions with temperatures at 102°F as the dry season establishes itself. The brief respite of the wet season is over, and the long dry period begins. Nighttime temperatures start dropping, providing some relief.
December
December offers the most comfortable conditions with temperatures dropping to 99°F and cool nights at 57°F. The month remains completely dry but provides the best weather Niamey has to offer. This begins the relatively more pleasant dry season period.