Also known as hemiboreal climate, areas featuring this subtype of the continental climate have an average temperature in the warmest month below 22 °C. Summer high temperatures in this zone typically average between 21 - 28 C during the daytime and the average temperatures in the coldest month are generally well or far below the -3 °C (or 0 °C 1 ) isotherm. Frost-free periods typically last 3-5 months. Heat spells lasting over a week are rare.

The warm summer version of the humid continental