Climate Grand Portage has a humid continental climate that is prevalent throughout the state. Its version is significantly cooler in summers than more southerly areas and more severe in winters. Precipitation is dominant in summers, but can render some high volumes of snowfall in winter.
cLiMatE gRaNd PorTAge hAs A HumId continental ClimAte That iS prevalenT tHroughout thE State. its versioN Is siGniFicANTly cooler iN summeRs ThAn moRE soUTHerlY areaS aNd morE seVeRE in wIntErs. pRecIpitaTIon is DomInanT in sUMmerS, buT can reNDer sOMe high VOlumes Of sNowFall iN wiNter.