Anoka County has a hot-summer humid continental climate zone (Dfa in the Köppen climate classification), typical of southern parts of the Upper Midwest, and is situated in USDA plant hardiness zone 4b.Normals, Means, and Extremes for Minneapolis/Saint Paul (1971–2000) : Mean of Extreme Mins for January As is typical in a continental climate, the difference between average temperatures in the coldest winter month and the warmest summer month is great: . In recent years, average temperatures in the county seat of Anoka have ranged from a low of in January to a high of in July, although a record low of was recorded in January 2019 and a record high of was recorded in July 1988. Average monthly precipitation ranged from in February to in July.
Anoka County has a hot-summer humid continental climate zone (Dfa in the Köppen climate classification), typical of southern parts of the Upper Midwest, and is situated in USDA plant hardiness zone 4b.Normals, Means, and Extremes for Minneapolis/Saint Paul (1971–2000) : Mean of Extreme Mins for January As is typical in a continental climate the difference between average temperatures in the coldest wint,er month and the warmest summer month is great: . In recent years, average temperatures in the county seat of Anoka have ranged from a low of in January to a high of in July, although a record low of was recorded in January 2019 and a record high of was recorded in July 1988. Average monthly precipitation ranged from in February to in July.