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Wahkiakum County Climate

Wahkiakum County, Washington

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec52.0°AVG °F

Avg Annual Temp

52.0°F

Annual Precip

79.8"

Annual Snowfall

3.2"

Extreme Heat Days

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
11.1"
8.3"
8.5"
6.3"
4.1"
3.1"
0.9"
1.3"
3.8"
7.8"
13.0"
11.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8b

Minimum winter temperature range for plant survival

Seasonal Overview

Comfort ZoneSpring46°55°18.9"Summer58°64°5.3"Fall46°62°24.5"Winter41°43°31.1"20°40°60°80°100°

National Comparison

Warmer than 40% of US counties
Wetter than 99% of US counties
More seasonal variation than 2% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Wahkiakum County

Climate Verdict

Climate data for Wahkiakum County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.

Seasonal Breakdown

Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.

Outdoor & Gardening Guidance

Growing season and gardening guidance for Wahkiakum County will be added as data becomes available.

Regional Context

Comparative climate data for Wahkiakum County is being processed.

Climate Profile

About Wahkiakum County Weather

Extreme Rainfall on the Pacific Coast

While specific temperature averages are unavailable, Wahkiakum County is defined by its 79.8 inches of annual precipitation. This is more than double the national average, marking it as one of the wettest regions in the country.

Dripping Past the Washington Average

The county’s 79.8 inches of annual rain is over twice the Washington state average of 38.5 inches. This extreme moisture levels the county among the top tier of the state's wettest locales.

Soaking Wet Compared to Neighbors

Wahkiakum receives nearly 30 inches more rain annually than nearby Thurston County. Despite the rain, it sees very little snow, averaging only 3.2 inches per year.

Mild Winters and Damp Summers

Specific seasonal temperature data is limited, but the low 3.2-inch snowfall suggests a very mild winter cycle. The primary seasonal variation is the intensity of the nearly 80 inches of rainfall.

Prioritize Drainage and Waterproofing

Residents must invest in professional-grade waterproof clothing and ensure home drainage systems can handle 79.8 inches of rain. Snow tires are rarely needed, but hydroplaning resistance is a year-round priority.

Frequently Asked Questions

What is the average temperature in Wahkiakum County?
The average annual temperature in Wahkiakum County, WA is 52.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Wahkiakum County get?
Wahkiakum County receives an average of 79.8 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 Wahkiakum County?
Yes, Wahkiakum County receives an average of 3.2 inches of snowfall per year according to NOAA climate normals.
How hot does Wahkiakum County get in summer?
The average summer temperature (June-August) in Wahkiakum County is 62.1°F.
How cold are winters in Wahkiakum County?
The average winter temperature (December-February) in Wahkiakum County is 42.1°F. January, typically the coldest month, averages 41.9°F.

Track your own weather in Wahkiakum County

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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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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