Porvoo — ihu igwe site na ọnwa, mmiri okpomọkụ

The nkezi kacha kwa ụbọchị okpomọkụ — 19.2°C July. Nkezi kacha n'abalị okpomọkụ — 15.7°C August. The nkezi kacha nta kwa ụbọchị okpomọkụ — -2.2°C na January. The nkezi kacha nta n'abalị okpomọkụ — -4°C February.

Nkezi kacha okpomọkụ nke mmiri — 17.4°C ofu August. The nkezi kacha nta okpomọkụ nke mmiri — -0.5°C ofu February.

Oke ọdịda — 69.6 mm E dere ya October. Kacha nta ọdịda — 37.1 mm E dere ya March.