sentences:  As a result of this variability, severe cold with temperatures below can be completely absent during some winters, and in others, it can occur with regularity, even as late as March.Heavy snowfall is rare, and significant snow accumulations typically occur gradually, a few centimeters at a time over a protracted cold spell.Summer is warm and lasts from June to early September, and is characterized by abundant sunshine, but also severe weather, particularly early in the season.