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Weather & Climate in Larch Way, WA

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

Larch Way experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 41°F in January while summers reach 64°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 33.4 inches. 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 515 feet.

Temperature

41°F Jan (5°C) 64°F Jul (18°C)
Annual Average51.4°F
5% below US avg
January Average41°F (5°C)
July Average64°F (18°C)
Sunny Days249 days/yr

Geography

Elevation515 ft (157 m)
Area1.1 sq mi (2.9 km²)
Population Density3,645/sq mi
Coordinates47.8429°N, 122.2527°W
TimezoneAmerica/Los_Angeles
CountyKitsap County County
Nearest AirportSeattle Paine Field International (PAE)
5 miles away

Precipitation & Snow

Annual Rainfall 33.4"
12% below US avg
Wettest Month (Dec) 5.91"
Driest Month (Jul) 1.30"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score92.3 / 100
Social Vulnerability12.2 / 100
Community Resilience72.9 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively High
Wildfire Very Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Relatively Low
Drought No Rating
Cold Wave No Rating
Landslide Relatively High
Coastal Flood Relatively Moderate
Tsunami Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

750 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 85 km 52 km
Jul 3, 1999 8 km N of Satsop, Washington M5.8 125 km 40 km
May 3, 1996 8 km NNE of Lake Marcel-Stillwater, Washington M5.4 30 km 4 km
Jun 10, 2001 18 km N of Satsop, Washington M5.0 120 km 40 km
Jan 29, 1995 3 km WSW of Des Moines, Washington M5.0 51 km 15 km
Apr 14, 1990 4 km ENE of Deming, Washington M5.0 112 km 12 km
Jun 23, 1997 2 km NE of Enetai, Washington M4.9 36 km 13 km
Apr 25, 2003 26 km W of Brinnon, Washington M4.8 77 km 51 km
Jan 30, 2009 6 km ESE of Lofall, Washington M4.7 26 km 62 km
Jul 12, 2019 2 km S of Roosevelt, Washington M4.6 18 km 29 km
Mar 3, 2025 2025 Orcas Island, Washington M4.5 95 km 16 km
Jul 22, 2001 4 km WSW of DuPont, Washington M4.3 90 km 52 km
Apr 2, 1990 2 km ENE of Deming, Washington M4.3 110 km 0 km
Jun 18, 1994 11 km SE of Skykomish, Washington M4.3 78 km -1 km
Jun 27, 2013 25 km N of Leavenworth, Washington M4.3 117 km 8 km
Feb 18, 2015 15 km ENE of Cle Elum, Washington M4.2 131 km 4 km
Sep 21, 2002 9 km SW of Friday Harbor, Washington M4.1 96 km 23 km
May 20, 1995 15 km NNE of Ashford, Washington M4.1 110 km 12 km
Feb 23, 2017 11 km NE of Hoodsport, Washington M4.1 71 km 15 km
Aug 16, 2004 16 km ENE of Packwood, Washington M4.0 143 km -1 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

23 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 injury.

Date Rating Distance Path Fatalities
Dec 12, 1969 EF3 40 km 3.8 mi 0
Dec 18, 2018 EF2 47 km 1.4 mi 0
May 13, 1986 EF2 45 km 0.3 mi 0
Nov 24, 1970 EF2 29 km 0.3 mi 0
Oct 18, 2019 EF1 82 km 0.7 mi 0
Jan 18, 2015 EF1 62 km 4.1 mi 0
Sep 30, 2013 EF1 85 km 1.0 mi 0
Sep 6, 2009 EF1 73 km 9.6 mi 0
May 18, 2005 EF1 40 km 0.2 mi 0
Jun 27, 2001 EF1 74 km 2.3 mi 0
May 31, 1997 EF1 70 km 0.5 mi 0
Jun 12, 1978 EF1 80 km 1.5 mi 0
Dec 22, 1971 EF1 50 km 0.5 mi 0
Oct 26, 1971 EF1 29 km 3.0 mi 0
Sep 28, 1962 EF1 38 km 0.1 mi 0
Jun 16, 2006 EF0 39 km 0.5 mi 0
Jun 5, 2004 EF0 43 km 0.1 mi 0
Jun 11, 2001 EF0 34 km 0
Aug 24, 1997 EF0 14 km 0.5 mi 0
Jun 23, 1996 EF0 63 km 0.4 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1894 PUYALLUP RIVER DELTA, TACOMA, WA Meteorological 3.0 m 2 64 km
1891 WASHINGTON Eruption + Earthquake 2.4 m 95 km
1949 PUGET SOUND, WA Meteorological 2.4 m 64 km
1949 PUGET SOUND, WA Eruption + Earthquake 8 80 km
1820 CAMANO ISLAND, WA Meteorological 25 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Glacier Peak (90 km).

Name Type Elevation Last Eruption Distance
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 90 km
Baker Stratovolcano(es) 3,285 m (10,778 ft) 1880 109 km
Rainier Stratovolcano 4,392 m (14,409 ft) 1450 116 km
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 183 km
Adams Stratovolcano 3,742 m (12,277 ft) 950 191 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

19 wildfires (100+ acres) recorded within 100 km. Largest: BOLT CREEK (15,211 acres, 2022).

Year Name Acres Burned Distance
2022 BOLT CREEK 15,211 63 km
2023 AIRPLANE LAKE 7,576 92 km
2022 SUIATTLE RIVER 4,400 82 km
2023 DELABARRE 4,176 90 km
2022 IRVING PEAK 3,983 93 km
2018 MAPLE 3,547 73 km
2016 HAYES TWO 2,679 85 km
2022 BOULDER LAKE 2,347 85 km
2020 DOWNEY CREEK 2,324 91 km
2022 LOCH KATRINE 2,163 52 km
2011 BIG HUMP 1,400 66 km
2021 NASON 1,353 97 km
1990 WHITE RIVER 1,319 90 km
1998 UNNAMED 1,174 95 km
1985 BEAVER 1,107 89 km
2003 SQUARE LAKE FIRE 1,106 90 km
2006 POLLALIE 1,070 97 km
2017 SAWMILL CREEK 1,056 96 km
2006 BEAR GULCH II 1,037 87 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 5.2 in
February 42°F (6°C) 3.9 in
March 45°F (7°C) 4.2 in
April 49°F (9°C) 3.2 in
May 55°F (13°C) 2.5 in
June 60°F (15°C) 2.1 in
July 64°F (18°C) 1.3 in Driest
August 64°F (18°C) 1.4 in Warmest
September 59°F (15°C) 2.2 in
October 51°F (11°C) 3.6 in
November 44°F (7°C) 5.7 in
December 40°F (4°C) 5.9 in Coldest, Wettest

Larch Way has a seasonal temperature swing of 25°F / from 40°F in December to 64°F in August. Total annual precipitation is 41.3 inches, with December being the wettest month (5.9") and July the driest (1.3").

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