The winter helped the Germans. What bogged them down was the rainy season from the end of August to November, which turned the backroad, rural, dirt roads, airstrips, and villages to mud, and halted the German advance in its tracks.
When the first frost and ground freeze came in November, the ground was once again hard enough for tanks and heavy equipment to move easily and the Germans restarted their offensive around Leningrad and Moscow; while making headway into Southern Russia.
The winter helped the Germans. What bogged them down was the rainy season from the end of August to November, which turned the backroad, rural, dirt roads, airstrips, and villages to mud, and halted the German advance in its tracks.
When the first frost and ground freeze came in November, the ground was once again hard enough for tanks and heavy equipment to move easily and the Germans restarted their offensive around Leningrad and Moscow; while making headway into Southern Russia.