May in Tahoua averages a daily high of 41.1°C with nights around 28.5°C. Expect roughly 3 wet days totalling 3.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tahoua is December–January.
Based on TAHOUA, NG (2.4km), 1995–2024. 20 years of May data.