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Lake County Climate

JanFebMarAprMayJunJulAugSepOctNovDec46.6°AVG °F

Avg Annual Temp

46.6°F

Annual Precip

12.8"

Annual Snowfall

23.2"

Extreme Heat Days

26

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.4"
1.2"
1.3"
1.3"
1.5"
0.9"
0.5"
0.3"
0.6"
1.0"
1.2"
1.7"
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

1,721

Favors cool-season crops

Last spring frost (32°F): 06/10
First fall frost (32°F): 09/17

Seasonal Overview

Comfort ZoneSpring38°51°4.0"Summer58°67°1.7"Fall37°58°2.8"Winter30°34°4.2"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 4% of US counties
More seasonal variation than 17% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Lake County

Climate Verdict

Lake County has a cool, averaging 46.6°F annually, arid conditions receiving just 12.8 inches of precipitation annually, occasional hot days — 26.0875 per year above 90°F, moderate snowfall of 23.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 31.3°F. summers are pleasantly cool with July averaging 67.0°F. The 36°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Lake County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Lake County is 3.9°F cooler than the Oregon statewide average of 50.5°F, it is also noticeably drier, receiving 24.6 inches less precipitation than the state average.

Climate Profile

About Lake County Weather

Cool Temps in a High Desert Climate

Lake County's annual average of 46.6°F is notably cooler than the national median. This high-desert region experiences significant temperature swings throughout the year.

A Dry Outlier in the Pacific Northwest

With only 12.8 inches of annual precipitation, Lake County is far drier than the Oregon average of 37.4 inches. It also tracks nearly four degrees cooler than the state average temperature.

Drier Than Its High-Desert Neighbors

Lake County receives less than half the precipitation of neighboring Klamath County. While Klamath is colder overall, Lake sees 26 extreme heat days compared to Klamath's 15.

Hot Days and Moderate Snow

The county sees 26 days of heat over 90°F, contributing to a summer average of 63.5°F. Winters are cold, averaging 31.5°F with 23.2 inches of annual snowfall.

Prepare for Arid Conditions and Extremes

Water conservation is vital given the low 12.8 inches of annual rainfall. Residents should prepare for both sub-freezing winter nights and nearly a month's worth of 90°F summer days.

Frequently Asked Questions

What is the average temperature in Lake County?
The average annual temperature in Lake County, OR is 46.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Lake County get?
Lake County receives an average of 12.8 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 Lake County?
Yes, Lake County receives an average of 23.2 inches of snowfall per year according to NOAA climate normals.
How hot does Lake County get in summer?
The average summer temperature (June-August) in Lake County is 63.5°F. The county experiences an average of 26 days per year above 90°F.
How cold are winters in Lake County?
The average winter temperature (December-February) in Lake County is 31.5°F. January, typically the coldest month, averages 31.3°F.

Track your own weather in Lake 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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