Bwindi has a tropical climate. Annual mean temperature ranges from a
minimum of 7–15°C to a maximum of 20–27°C. Its annual rainfall ranges from
1,400 to 1,900 millimeters (55 to 75 in). Peak rainfall occurs from March to
April and from September to November. The park's forest plays an important role
in regulating the outside area's environment and climate. High amounts of transpiration from the forest's vegetation increases the amount of
precipitation that the region outside the park receives. They also lessen soil
erosion, which is a serious problem in southwestern Uganda. They lessen
flooding and ensure that
