Chenachène has a hyper-aridhot desert climate (KöppenBWh). It is one of the driest places on earth and the hottest during summer. The average high temperature in July is 48.3 °C (118.9 °F), which is 0.9°C higher than Furnace Creek, Death Valley, California and the highest on earth (Chenachène beats nearby Taghaza in Mali by 0.1°C, and Taoudenni, also in Mali, by 0.4°C).