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Latah County Climate

JanFebMarAprMayJunJulAugSepOctNovDec46.6°AVG °F

Avg Annual Temp

46.6°F

Annual Precip

26.1"

Annual Snowfall

46.1"

Extreme Heat Days

20

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.0"
2.3"
2.9"
2.5"
2.5"
1.7"
0.8"
0.7"
1.0"
2.3"
3.2"
3.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

1,662

Favors cool-season crops

Last spring frost (32°F): -9999.0
First fall frost (32°F): -9999.0

Seasonal Overview

Comfort ZoneSpring39°53°8.0"Summer58°66°3.1"Fall37°58°6.4"Winter30°33°8.6"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 22% of US counties
More seasonal variation than 14% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Latah County

Climate Verdict

Latah County has a cool, averaging 46.6°F annually, moderate rainfall of 26.1 inches per year, occasional hot days — 20.15 per year above 90°F, moderate snowfall of 46.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 30.6°F. summers are pleasantly cool with July averaging 65.2°F. The 35°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

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

Regional Context

Latah County closely matches the Idaho statewide average temperature of 46.5°F, it is also noticeably wetter, receiving 9.1 inches more precipitation than the state average.

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.

Frequently Asked Questions

What is the average temperature in Latah County?
The average annual temperature in Latah County, ID is 46.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Latah County get?
Latah County receives an average of 26.1 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 Latah County?
Yes, Latah County receives an average of 46.1 inches of snowfall per year according to NOAA climate normals.
How hot does Latah County get in summer?
The average summer temperature (June-August) in Latah County is 62.8°F. The county experiences an average of 20 days per year above 90°F.
How cold are winters in Latah County?
The average winter temperature (December-February) in Latah County is 31.2°F. January, typically the coldest month, averages 30.6°F.

Track your own weather in Latah 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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