Summers tend to be cloudy and windy, with maximum temperatures averaging around during the day and about at night. Temperatures of or more occur only on a handful of days, and night frost is always possible, as well as days below . Temperatures gradually diminish during the autumn, to reach maximum temperatures of about and minimum temperatures of in winter, with frequent snow, sleet and rain showers. Some winters may bring extended periods of frost and snow with a perpetual snowcover, whereas other winters might just bring snowstorms followed by thaws. Temperatures then very slowly recover during the spring, but snow showers and frost are a common occurrence until the beginning of the summer in December, and they might occur even in midsummer.