Mamiriro okunze ari maritime temperate ane kunaya kwakanyanya mumwaka yose (Köppen climate classification: Cfb), kufanana nevakawanda kuchamhembe kwakadziva kumadokero kweEurope. Avhareji tembiricha yakaderera munaJanuary pa3 ° C (37.4 ° F) uye yakakwirira munaJuly pa18 ° C (64.4 ° F). Avhareji yemvura inonaya pamwedzi inosiyana pakati pe54 mm (2.1 mu) munaFebruary naApril, kusvika ku78 mm (3.1 mu) munaJuly. Avhareji yemakore 2000 kusvika ku2006 inoratidza zuva nezuva tembiricha yakaderera ye7 ° C (44.6 ° F) uye yakakwira ye14 ° C (57.2 ° F) uye kunaya kwemvura kwemwedzi wega wega kwe74 mm (2.9 mu); izvi zvinenge 1 ° C uye inenge 10 millimetres pamusoro pemitengo yakajairwa yezana ramakore rapfuura, zvichiteerana. Phytogeographically, Belgium iri pakati pemapurovhinzi eCentral Atlantic neWestern Europe yeCircore B. Pakati pemwedzi tembiricha yakaderera pa3 ° C (3
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