When in the suburbs to wait for permanent snow cover? It usually forms in late November - early December, the chief expert of the information portal Meteonovsti, meteorologist Tatiana Pozdnyakova told us. The expert noted that a stable snow cover will continue to form during these periods, even though the winter in the Moscow region is warming up every year. If you are waiting for snow storms and blizzards. #opinion 360 #weather360 subscribe to us at MAX I Feedback.