Lincoln County Climate
Lincoln County, Montana
Avg Annual Temp
44.8°F
Annual Precip
19.4"
Annual Snowfall
54.2"
Extreme Heat Days
22.9375
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lincoln County Weather
A Moist and Snowy Mountain Pocket
Lincoln County averages 44.8°F annually, which is mild for Montana but still well below the national median. It stands out for its 19.4 inches of annual precipitation, making it wetter than many surrounding plains counties.
Warmer and Wetter Than State Averages
At 44.8°F, Lincoln County is warmer than the 43.7°F Montana average. It also sees significantly more moisture, exceeding the state precipitation average by four inches per year.
Snowier and Warmer Than Liberty County
Lincoln County records 54.2 inches of snow, vastly out-pacing Liberty County's 35.9 inches. Despite the snow, its January average of 25.6°F is nearly eight degrees warmer than its neighbors to the east.
Heavy Snow and Frequent Summer Heat
The county experiences 23 extreme heat days annually, even with a moderate July average of 66.4°F. Winter is defined by persistent snow and a Dec-Feb average temperature of 26.5°F.
Gear Up for Snow and Summer Sun
Residents should invest in high-quality snow removal equipment to handle the 54-inch annual snowfall. HVAC systems must also be robust enough to handle the 23 days of extreme 90°F heat that occur despite the overall cool climate.
Frequently Asked Questions
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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.