D2 CLIMATIC Climatic Data at Bujumbura (3) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann. Mean temp. [deg C]*1 23.4 23.1 23.3 23.4 23.3 23.0 22.9 23.9 24.8 24.7 23.3 23.0 23.5 Precipitation [mm]*2 94 109 121 125 57 11 5 11 37 64 100 114 848 *1 10-year mean. *2 1931-1960.