Laramie, WY Climate

Climate Insight: Laramie, WY

In Laramie, Wyoming, the NOAA 1991–2020 climate normals put the annual average temperature at 43°F, ranging from a mean daily high of 55°F to a mean daily low of 31°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from 2 weather stations, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Laramie averages 13.1 inches of precipitation a year, with 64.1 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 129 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 22 and the first fall freeze near September 28. As for energy demand, 8,150 heating degree days and 155 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Laramie scores 34/100 (Below Average), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.