Wamsutter, WY Climate

Climate Insight: Wamsutter, WY

An annual average temperature of 42°F, ranging from a mean daily high of 56°F to a mean daily low of 28°F is what the NOAA 1991–2020 climate normals report for Wamsutter, Wyoming. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00489459 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Wamsutter sees about 8.4 inches of precipitation a year, with 50.8 inches typically falling as snow. The frost-free season averages 101 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 5 and the first fall freeze near September 14. On the energy side, 8,458 heating degree days and 204 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Wamsutter scores 24/100 (Below Average), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.