Fairfield, UT Climate

Climate Insight: Fairfield, UT

Fairfield, Utah runs an annual average of 48°F, ranging from a mean daily high of 65°F to a mean daily low of 31°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00422696, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Fairfield receives roughly 12.5 inches of precipitation each year, with 33.6 inches typically falling as snow. The frost-free season averages 106 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 2 and the first fall freeze near September 16. For energy use, 6,713 heating degree days and 406 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Fairfield scores 49/100 (Moderate), 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.