Bonn — ihu igwe site na ọnwa

The nkezi kacha kwa ụbọchị okpomọkụ — 23.8°C August. Nkezi kacha n'abalị okpomọkụ — 15.1°C August. The nkezi kacha nta kwa ụbọchị okpomọkụ — 4.6°C na January. The nkezi kacha nta n'abalị okpomọkụ — 1.8°C February.

Oke ọdịda — 75 mm E dere ya July. Kacha nta ọdịda — 34.5 mm E dere ya February.