weatherbycounty

Clallam County Climate

Clallam County, Washington

JanFebMarAprMayJunJulAugSepOctNovDec49.3°AVG °F

Avg Annual Temp

49.3°F

Annual Precip

58.7"

Annual Snowfall

2.9"

Extreme Heat Days

1.3166666666666669

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet❄= snowfall
❄9.0"
❄5.7"
❄6.6"
❄4.2"
2.4"
1.9"
1.0"
1.4"
2.4"
6.0"
❄9.3"
❄8.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring43°53°13.3"Summer57°61°4.2"Fall43°57°17.7"Winter39°41°23.5"20°40°60°80°100°

National Comparison

Warmer than 28% of US counties
Wetter than 89% of US counties
More seasonal variation than 1% of US counties

Climate Profile

About Clallam County Weather

A cool, wet Pacific maritime climate

Clallam County stays cool with a 49.3°F annual average and heavy 58.7-inch precipitation. This is significantly wetter and cooler than the average American county.

Cooler summers than the state average

The county's average temperature of 49.3°F is just below the Washington average of 49.9°F. Its 58.7 inches of rain is nearly 20 inches higher than the state mean.

Wetter and milder than the interior

Clallam sees only one day of extreme heat annually, far fewer than inland counties. It receives 58.7 inches of rain, vastly out-precipitating the dry counties of eastern Washington.

Consistent moisture and very few extremes

Winters are mild at 39.9°F, while summers peak at a cool 60.8°F in July. The county only records about 2.9 inches of snow, as most precipitation falls as rain.

Invest in rain gear, not AC

With only one day of heat over 90°F, air conditioning is rarely a necessity. High-quality waterproof clothing and moisture control for homes are essential for the 58.7 inches of rain.

Frequently Asked Questions

What is the average temperature in Clallam County?
The average annual temperature in Clallam County, WA is 49.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Clallam County get?
Clallam County receives an average of 58.7 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 Clallam County?
Yes, Clallam County receives an average of 2.9 inches of snowfall per year according to NOAA climate normals.
How hot does Clallam County get in summer?
The average summer temperature (June-August) in Clallam County is 59.5°F. The county experiences an average of 1.3166666666666669 days per year above 90°F.
How cold are winters in Clallam County?
The average winter temperature (December-February) in Clallam County is 39.9°F. January, typically the coldest month, averages 39.7°F.

Track your own weather in Clallam County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

Other Counties in Washington

Adams County

Washington

View climate data

Asotin County

Washington

View climate data

Benton County

Washington

View climate data

Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

← Back to Washington

Explore more data for Clallam County

TaxCost of LivingComing SoonCrime RateIncomeComing SoonHealthSchoolsRiskWaterCounty Score