January weather forecast
Wyoming, USA

January stands as one of the coldest months in Wyoming, with temperatures often reaching their lowest points of the year. Notably, Riverside holds the record for the coldest temperature ever recorded in the state at -66°F (-54.4°C) on February 9, 1933. In January, average low temperatures span from 0°F (-17.8°C) to 18°F (-7.8°C) depending on the region and elevation. The frigid weather is more extreme in the highlands compared to the plains. Snowfall is substantial, especially in mountainous areas where it can reach up to 200" (5080mm), while the plains also accumulate a significant amount, around 50" (1270mm).

When compared to December, January does not offer much relief from the cold, and the conditions generally persist into February. Winds, particularly in the vast plains, blow at high speeds, but their impact is mitigated upon reaching the high mountain ranges. While not common, Chinook winds can sometimes provide temporary warmth during this icy month. January's weather makes outdoor activities challenging and results in a lull in tourist activity, save for those interested in winter sports.

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• Cheyenne - January »
  In Cheyenne, during January, the rain falls for 4.7 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Cheyenne, in January, during 8.9 snowfall days, 2.28" (58mm) of snow is typically accumulated.
• Casper - January »
  January, August and September are months with the least rain in Casper, Wyoming, when the rain falls for 3.6 days and typically aggregates up to 0.43" (11mm) of rain. January, August and September are months with the least rain in Casper when the rain falls for 3.6 days and typically aggregates up to 0.43" (11mm) of rain.
• Laramie - January »
  The month with the least rainfall in Laramie is January, when the rain falls for 2.9 days and typically collects 0.35" (9mm) of precipitation. The month with the least rainfall in Laramie is January, when the rain falls for 2.9 days and typically collects 0.35" (9mm) of precipitation.
• Gillette - January »
  January's advent in Gillette, Wyoming, presents an average high-temperature of a still subzero cold 30.4°F (-0.9°C), indicating a slight variation from the conditions of the previous month. With an average relative humidity of 78%, January is the most humid month in Gillette, Wyoming.
• Rock Springs - January »
  In Rock Springs in January, during 13.3 snowfall days, 4.37" (111mm) of snow is typically accumulated. In Rock Springs in January, during 5.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.
• Sheridan - January »
  In Sheridan in January, snow falls for 13.2 days, with typically accumulated 5.75" (146mm) of snow. January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Sheridan, Wyoming.
• Green River - January »
  In Green River, Wyoming, during January, the rain falls for 5.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Green River, in January, snow falls for 13.3 days, with typically accumulated 4.37" (111mm) of snow.
• Evanston - January »
  In Evanston in January, snow falls for 14.3 days, with typically accumulated 7.36" (187mm) of snow. In Evanston, during January, snow falls for 14.3 days and regularly aggregates up to 7.36" (187mm) of snow.
• Riverton - January »
  The month with the least rainfall in Riverton is January, when the rain falls for 2.5 days and typically collects 0.24" (6mm) of precipitation. In Riverton in January, snow falls for 5.6 days, with typically accumulated 1.69" (43mm) of snow.
• Jackson - January »
  In Jackson, in January, snow falls for 22.1 days, with typically accumulated 25.91" (658mm) of snow. In Jackson, in January, snow falls for 22.1 days, with typically accumulated 25.91" (658mm) of snow.
• Cody - January »
  The months with the least rainfall in Cody are January and December Rain falls for 5.9 days and accumulates 0.28" (7mm) of rain. In Cody, Wyoming, in January, during 8.2 snowfall days, 2.01" (51mm) of snow is typically accumulated.
• Rawlins - January »
  In Rawlins, Wyoming, in January, snow falls for 13.9 days, with typically accumulated 4.49" (114mm) of snow. In Rawlins, during January, snow falls for 13.9 days and regularly aggregates up to 4.49" (114mm) of snow.