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Weather & Climate in Willapa, WA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Willapa experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 41°F in January while summers reach 61°F in July. The area gets 226 sunny days per year, above the national average. Annual precipitation totals 83.7 inches (wetter than the 38-inch national average). The area receives 1.1 inches of snow annually. Air quality is rated Good with a median AQI of 28 / among the cleanest air in the country. The city sits at an elevation of 27 feet.

Temperature

41°F Jan (5°C) 61°F Jul (16°C)
Annual Average49.8°F
8% below US avg
January Average41°F (5°C)
July Average61°F (16°C)
Sunny Days226 days/yr

Geography

Elevation27 ft (8 m)
Area0.1 sq mi (0.3 km²)
Population Density696/sq mi
Coordinates46.6754°N, 123.6648°W
TimezoneAmerica/Los_Angeles
CountyPacific County County
Nearest AirportAstoria Regional (AST)
35 miles away

Precipitation & Snow

Annual Rainfall 83.7"
120% above US avg
Snowfall 1.1"
Wettest Month (Dec) 13.62"
Driest Month (Jul) 1.54"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.8 / 100
Social Vulnerability64.4 / 100
Community Resilience69.6 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Very Low
Flood Relatively Low
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Very Low
Ice Storm Very Low
Drought Very Low
Cold Wave Very Low
Landslide Relatively Low
Coastal Flood Relatively Moderate
Tsunami Very High
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

1,130 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.

Feb 28, 2001 7 km SSE of Longbranch, Washington M6.8 89 km 52 km
Jul 3, 1999 8 km N of Satsop, Washington M5.8 47 km 40 km
Jan 29, 1995 3 km WSW of Des Moines, Washington M5.0 126 km 15 km
Jun 10, 2001 18 km N of Satsop, Washington M5.0 56 km 40 km
Jun 23, 1997 2 km NE of Enetai, Washington M4.9 132 km 13 km
Apr 25, 2003 26 km W of Brinnon, Washington M4.8 115 km 51 km
Jan 30, 2009 6 km ESE of Lofall, Washington M4.7 148 km 62 km
Jul 22, 2001 4 km WSW of DuPont, Washington M4.3 87 km 52 km
Feb 14, 2011 31 km S of Morton, Washington M4.3 119 km 4 km
May 20, 1995 15 km NNE of Ashford, Washington M4.1 133 km 12 km
Feb 23, 2017 11 km NE of Hoodsport, Washington M4.1 101 km 15 km
Jun 15, 1994 1 km WNW of Hoodsport, Washington M4.0 90 km 44 km
Jun 25, 2004 17 km W of Packwood, Washington M3.9 135 km -1 km
Apr 24, 2003 3 km NW of North Portland, Oregon M3.9 136 km 17 km
Jun 27, 1997 3 km SW of Bainbridge Island, Washington M3.9 133 km 1 km
Oct 1, 2004 37 km NNE of Amboy, Washington M3.9 125 km -1 km
Sep 10, 1994 2 km SE of Enumclaw, Washington M3.9 141 km 17 km
Mar 6, 2025 14 km SW of Blyn, Washington M3.9 144 km 42 km
Jan 3, 2018 37 km SSE of Morton, Washington M3.9 132 km 10 km
Jul 24, 2011 21 km W of Brinnon, Washington M3.9 121 km 41 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

25 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date Rating Distance Path Fatalities
Nov 10, 1965 EF2 58 km 1.5 mi 0
Oct 10, 2020 EF1 80 km 0.5 mi 0
Oct 18, 2019 EF1 86 km 0.7 mi 0
Oct 23, 2014 EF1 82 km 1.3 mi 0
May 27, 2004 EF1 59 km 0.2 mi 0
Mar 28, 1985 EF1 80 km 0.2 mi 0
Oct 3, 1967 EF1 64 km 0.5 mi 0
Oct 28, 2024 EF0 80 km 0.2 mi 0
Mar 19, 2021 EF0 48 km 0.3 mi 0
May 27, 2011 EF0 60 km 0.1 mi 0
Oct 25, 2010 EF0 74 km 0.0 mi 0
Jan 28, 2006 EF0 79 km 0.5 mi 0
Jun 6, 2004 EF0 96 km 0.5 mi 0
Oct 15, 2003 EF0 86 km 0.1 mi 0
Jan 5, 1998 EF0 78 km 0.1 mi 0
Dec 23, 1997 EF0 36 km 0.3 mi 0
Aug 26, 1997 EF0 39 km 0.5 mi 0
Sep 15, 1996 EF0 74 km 1.5 mi 0
Apr 6, 1994 EF0 55 km 0.5 mi 0
Feb 13, 1994 EF0 60 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 250.0 m (820 ft).

Year Location Cause Max Wave Deaths Distance
1980 WASHINGTON Explosion 250.0 m 61 126 km
1894 PUYALLUP RIVER DELTA, TACOMA, WA Meteorological 3.0 m 2 115 km
1891 WASHINGTON Eruption + Earthquake 2.4 m — 148 km
1949 PUGET SOUND, WA Meteorological 2.4 m — 110 km
1949 PUGET SOUND, WA Eruption + Earthquake — 8 97 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: St. Helens (126 km).

Name Type Elevation Last Eruption Distance
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 126 km
Rainier Stratovolcano 4,392 m (14,409 ft) 1450 146 km
West Crater Volcanic field 1,329 m (4,360 ft) -5750 151 km
Indian Heaven Shield(s) 1,806 m (5,925 ft) -6250 164 km
Adams Stratovolcano 3,742 m (12,277 ft) 950 175 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

2 wildfires (100+ acres) recorded within 100 km. Largest: BEAVER (1,107 acres, 1985).

Year Name Acres Burned Distance
1985 BEAVER 1,107 99 km
2006 BEAR GULCH II 1,037 96 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 13.0 in
February 42°F (5°C) 10.6 in
March 44°F (7°C) 9.3 in
April 47°F (8°C) 6.3 in
May 52°F (11°C) 4.0 in
June 56°F (14°C) 2.8 in
July 61°F (16°C) 1.5 in Warmest, Driest
August 61°F (16°C) 1.8 in
September 58°F (14°C) 3.6 in
October 51°F (11°C) 7.3 in
November 44°F (7°C) 12.8 in
December 40°F (4°C) 13.6 in Coldest, Wettest

Willapa has a seasonal temperature swing of 21°F / from 40°F in December to 61°F in July. Total annual precipitation is 86.5 inches, with December being the wettest month (13.6") and July the driest (1.5").

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