Latah County Climate
Latah County, Idaho
Avg Annual Temp
46.6°F
Annual Precip
26.1"
Annual Snowfall
46.1"
Extreme Heat Days
20.15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Latah County Weather
Cool, snowy, and moisture-rich
Latah County averages 46.6°F, placing it squarely in the cooler tier of American counties. It receives a generous 26.1 inches of annual precipitation, making it much greener than the national median for the West.
A typical Gem State climate
Latah County's 46.6°F annual average is nearly identical to the Idaho state average of 46.5°F. Its 26.1 inches of precipitation, however, is nearly 10 inches higher than the state's typical 17-inch mark.
Snowier than its northern neighbor
While temperature-matched with Kootenai County, Latah receives significantly more snow at 46.1 inches per year. This makes the county more prone to winter travel disruptions than its neighbors to the north.
Deep snow and temperate summers
Winters are defined by 46.1 inches of snow and a January average of 30.6°F. Summers are comfortable, with a July average of 65.2°F and 20 days reaching the 90°F threshold.
Invest in winter snow tires
The 46.1-inch annual snowfall requires reliable winter tires and home heating systems that can handle long freezes. Summer cooling needs are moderate, as the county enjoys cooler July averages than southern Idaho.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.