The area enjoys four well-defined seasons. Winters, though cold, are seldom severe in the city. The average temperature range for January is 19-37 F/-7-3 C. Snowfall varies around the city, with average amounts of 52-70 in/132-178 cm a year (up to 10 times as much snow falls in the surrounding mountains). The ski season generally begins in late November and lasts until mid-April.
Spring is the wettest season, and summer is hot, with July and August promising highs in the upper 90s F/32+ C. Humidity is low to moderate, so the daytime summer warmth is generally comfortable, and nights are cool (53-61 F/13-16 C). Early fall is dry and warm, with temperatures ranging 50-80 F/10-26 C in September and 39-66 F/3-17 C in October.