Climate averages 1991–2020

Weather in Niger.

ClimaNote covers 8 cities in Niger, starting with Niamey, Maradi and Zinder. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 34.5°C in Zinder to 36.1°C in Arlit, and yearly rainfall from 29 mm in Arlit to 347 mm in Dosso. The hottest city-month is June in Arlit, with an average high of 41.9°C, and the coolest is January in Arlit, at 27.2°C. By single month, the most rain falls in August in Dosso, with 156 mm.

April is the warmest month in 5 cities, May in 2 and June in 1; January is the coolest in 7 cities and August in 1. August is the wettest month in every city; in every city two or more months tie for the driest. Of these cities, all have a month with under 1 mm of rain; none has a month with an average high below 2.0°C or a month with more than 300 mm of rain.