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Lincoln County Climate

JanFebMarAprMayJunJulAugSepOctNovDec44.8°AVG °F

Avg Annual Temp

44.8°F

Annual Precip

19.4"

Annual Snowfall

54.2"

Extreme Heat Days

23

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.7"
1.3"
1.6"
1.3"
1.9"
2.4"
1.0"
0.8"
1.2"
1.7"
2.3"
2.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

1,686

Favors cool-season crops

Last spring frost (32°F): 05/16
First fall frost (32°F): 09/27

Seasonal Overview

Comfort ZoneSpring37°53°4.8"Summer59°66°4.3"Fall33°56°5.2"Winter25°29°5.1"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties
Wetter than 14% of US counties
More seasonal variation than 40% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Lincoln County

Climate Verdict

Lincoln County has a cool, averaging 44.8°F annually, semi-arid conditions with only 19.4 inches of annual precipitation, occasional hot days — 22.9375 per year above 90°F, moderate snowfall of 54.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 25.6°F. summers are pleasantly cool with July averaging 66.4°F. The 41°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Lincoln County closely matches the Montana statewide average temperature of 43.7°F, it is somewhat wetter than average for Montana.

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

What is the average temperature in Lincoln County?
The average annual temperature in Lincoln County, MT is 44.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Lincoln County get?
Lincoln County receives an average of 19.4 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Lincoln County?
Yes, Lincoln County receives an average of 54.2 inches of snowfall per year according to NOAA climate normals.
How hot does Lincoln County get in summer?
The average summer temperature (June-August) in Lincoln County is 63.8°F. The county experiences an average of 23 days per year above 90°F.
How cold are winters in Lincoln County?
The average winter temperature (December-February) in Lincoln County is 26.5°F. January, typically the coldest month, averages 25.6°F.

Track your own weather in Lincoln County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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