There are 103.7 days of air frost, and 22.3 ice days per year at Bern (Zollikofen) for the period of 1981–2010, as well as 14.1 days of snowfall, 36.7 days of snow cover per year and the average amount of snow measured per year is . On average, January is the coldest month, with a daily mean temperature of , and a daily minimum temperature of . The lowest temperature ever recorded at Bern (Zollikofen) was , recorded in February 1929, and typically the coldest temperature of the year reaches an average of for the period of 1981–2010.