Visiting local bars in Nioumachoua is more fun when you know what the weather holds. These rainfall averages and temperatures can help you decide the best time for bar-hopping. The hottest months are usually March and December, with an average temperature of 28°C, while the coldest months are August and September, with an average of 25°C. The rainiest months in Nioumachoua are January, February, March and December, with each month seeing an average of 230 mm of rainfall.