Dortmund — ihu igwe site na ọnwa

The nkezi kacha kwa ụbọchị okpomọkụ — 23.5°C August. Nkezi kacha n'abalị okpomọkụ — 16.4°C August. The nkezi kacha nta kwa ụbọchị okpomọkụ — 4.4°C na January. The nkezi kacha nta n'abalị okpomọkụ — 2.1°C February.

Oke ọdịda — 91.9 mm E dere ya July. Kacha nta ọdịda — 38.7 mm E dere ya April.