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Klickitat County Climate

Klickitat County, Washington

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec48.3°AVG °F

Avg Annual Temp

48.3°F

Annual Precip

19.3"

Annual Snowfall

40.8"

Extreme Heat Days

24

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.2"
2.3"
1.9"
1.1"
1.1"
0.6"
0.2"
0.3"
0.5"
1.6"
2.7"
3.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

1,998

Favors cool-season crops

Last spring frost (32°F): 05/19
First fall frost (32°F): 10/09

Seasonal Overview

Comfort ZoneSpring41°54°4.1"Summer60°68°1.1"Fall38°60°4.7"Winter31°35°9.3"20°40°60°80°100°

National Comparison

Warmer than 25% of US counties
Wetter than 13% of US counties
More seasonal variation than 18% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Klickitat County

Climate Verdict

Klickitat County has a cool, averaging 48.3°F annually, semi-arid conditions with only 19.3 inches of annual precipitation, occasional hot days — 24.483333333333334 per year above 90°F, moderate snowfall of 40.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 31.9°F. summers are pleasantly cool with July averaging 67.8°F. The 36°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

Klickitat County closely matches the Washington statewide average temperature of 49.9°F, it is also noticeably drier, receiving 19.2 inches less precipitation than the state average.

Climate Profile

About Klickitat County Weather

Cool Temps and High Variability

Klickitat County's 48.3°F average annual temperature is cooler than the national median. The climate is characterized by relatively low precipitation compared to the rest of the Pacific Northwest.

Washington's Dry Interior Climate

The county receives only 19.3 inches of precipitation, which is roughly half of the 38.5-inch state average. Its annual temperature of 48.3°F is slightly lower than the state mean.

Drier and Snowier Than Lewis

Klickitat receives only 19.3 inches of rain, while neighboring Lewis County gets 53.2 inches. However, Klickitat sees much more snow, averaging 40.8 inches compared to Lewis's 12.9 inches.

Abundant Snow and Summer Heat

The county faces 24 extreme heat days a year, with July averages reaching 67.8°F. Winter is demanding, with 40.8 inches of annual snowfall and January temperatures averaging 31.9°F.

Snow Tires and AC Required

Sturdy snow removal equipment is vital for the 40.8-inch annual snowfall. Homeowners should also ensure air conditioning units are serviced to handle the 24 days of extreme summer heat.

Frequently Asked Questions

What is the average temperature in Klickitat County?
The average annual temperature in Klickitat County, WA is 48.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Klickitat County get?
Klickitat County receives an average of 19.3 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 Klickitat County?
Yes, Klickitat County receives an average of 40.8 inches of snowfall per year according to NOAA climate normals.
How hot does Klickitat County get in summer?
The average summer temperature (June-August) in Klickitat County is 65.1°F. The county experiences an average of 24 days per year above 90°F.
How cold are winters in Klickitat County?
The average winter temperature (December-February) in Klickitat County is 32.7°F. January, typically the coldest month, averages 31.9°F.

Track your own weather in Klickitat 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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