The climate of Ouagadougou is hot semi-arid
(BSh) under Köppen-Geiger classification that closely borders with tropical wet
and dry (Aw). The city is part of the Soudano-Sahelian area, with a rainfall of
about 800 mm (31 in) per year. The rainy season stretches from May to
October, its height from June to September, with a mean average temperature of
28 °C (82 °F). The cold season runs from December to January, with a
minimum average temperature of 16 °C (61 °F). The maximum temperature
during the hot season, which runs from March to May, can reach 43 °C