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Weather & Climate in Port Orchard, WA

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

Port Orchard experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 56.9 inches (wetter than the 38-inch national average). The area receives 3.0 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 138 feet.

Temperature

41°F Jan (5°C) 66°F Jul (19°C)
Annual Average52.3°F
3% below US avg
January Average41°F (5°C)
July Average66°F (19°C)
Sunny Days237 days/yr

Geography

Elevation138 ft (42 m)
Area8.5 sq mi (22.1 km²)
Population Density1,701/sq mi
Coordinates47.5384°N, 122.6324°W
TimezoneAmerica/Los_Angeles
CountyKitsap County County
Nearest AirportBoeing Field/King County International (BFI)
15 miles away

Precipitation & Snow

Annual Rainfall 56.9"
50% above US avg
Snowfall 3.0"
Wettest Month (Dec) 7.44"
Driest Month (Jul) 0.91"

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

758 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 44 km 52 km
Jul 3, 1999 8 km N of Satsop, Washington M5.8 81 km 40 km
May 3, 1996 8 km NNE of Lake Marcel-Stillwater, Washington M5.4 62 km 4 km
Jan 29, 1995 3 km WSW of Des Moines, Washington M5.0 26 km 15 km
Jun 10, 2001 18 km N of Satsop, Washington M5.0 77 km 40 km
Apr 14, 1990 4 km ENE of Deming, Washington M5.0 149 km 12 km
Jun 23, 1997 2 km NE of Enetai, Washington M4.9 8 km 13 km
Apr 25, 2003 26 km W of Brinnon, Washington M4.8 49 km 51 km
Jan 30, 2009 6 km ESE of Lofall, Washington M4.7 28 km 62 km
Jul 12, 2019 2 km S of Roosevelt, Washington M4.6 59 km 29 km
Mar 3, 2025 2025 Orcas Island, Washington M4.5 120 km 16 km
Feb 14, 2011 31 km S of Morton, Washington M4.3 143 km 4 km
Jul 22, 2001 4 km WSW of DuPont, Washington M4.3 50 km 52 km
Apr 2, 1990 2 km ENE of Deming, Washington M4.3 148 km 0 km
Jun 18, 1994 11 km SE of Skykomish, Washington M4.3 103 km -1 km
Jun 27, 2013 25 km N of Leavenworth, Washington M4.3 149 km 8 km
Feb 18, 2015 15 km ENE of Cle Elum, Washington M4.2 145 km 4 km
Sep 21, 2002 9 km SW of Friday Harbor, Washington M4.1 112 km 23 km
May 20, 1995 15 km NNE of Ashford, Washington M4.1 90 km 12 km
Feb 23, 2017 11 km NE of Hoodsport, Washington M4.1 31 km 15 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
Dec 12, 1969 EF3 18 km 3.8 mi 0
Dec 18, 2018 EF2 4 km 1.4 mi 0
May 13, 1986 EF2 87 km 0.3 mi 0
Nov 24, 1970 EF2 70 km 0.3 mi 0
Nov 10, 1965 EF2 95 km 1.5 mi 0
Oct 18, 2019 EF1 38 km 0.7 mi 0
Jan 18, 2015 EF1 23 km 4.1 mi 0
Sep 30, 2013 EF1 54 km 1.0 mi 0
Sep 6, 2009 EF1 54 km 9.6 mi 0
May 18, 2005 EF1 79 km 0.2 mi 0
May 27, 2004 EF1 82 km 0.2 mi 0
Jun 27, 2001 EF1 52 km 2.3 mi 0
May 31, 1997 EF1 37 km 0.5 mi 0
Jun 12, 1978 EF1 50 km 1.5 mi 0
Dec 22, 1971 EF1 28 km 0.5 mi 0
Oct 26, 1971 EF1 72 km 3.0 mi 0
Sep 28, 1962 EF1 25 km 0.1 mi 0
Apr 27, 2014 EF0 80 km 0.2 mi 0
Jun 16, 2006 EF0 77 km 0.5 mi 0
Jan 28, 2006 EF0 63 km 0.5 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 31 km
1891 WASHINGTON Eruption + Earthquake 2.4 m 83 km
1949 PUGET SOUND, WA Meteorological 2.4 m 28 km
1949 PUGET SOUND, WA Eruption + Earthquake 8 41 km
1820 CAMANO ISLAND, WA Meteorological 62 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Rainier (101 km).

Name Type Elevation Last Eruption Distance
Rainier Stratovolcano 4,392 m (14,409 ft) 1450 101 km
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 130 km
Baker Stratovolcano(es) 3,285 m (10,778 ft) 1880 151 km
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 153 km
Adams Stratovolcano 3,742 m (12,277 ft) 950 172 km
West Crater Volcanic field 1,329 m (4,360 ft) -5750 189 km
Indian Heaven Shield(s) 1,806 m (5,925 ft) -6250 189 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

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

Year Name Acres Burned Distance
2022 BOLT CREEK 15,211 95 km
2023 DELABARRE 4,176 67 km
2018 MAPLE 3,547 39 km
2015 PARADISE 2,818 89 km
2016 HAYES TWO 2,679 64 km
2022 LOCH KATRINE 2,163 76 km
2011 BIG HUMP 1,400 40 km
1985 BEAVER 1,107 55 km
2017 SAWMILL CREEK 1,056 99 km
2006 BEAR GULCH II 1,037 50 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 6.6 in
February 43°F (6°C) 5.0 in
March 45°F (7°C) 4.8 in
April 49°F (9°C) 2.9 in
May 54°F (12°C) 1.8 in
June 59°F (15°C) 1.5 in
July 66°F (19°C) 0.9 in Warmest, Driest
August 63°F (17°C) 1.1 in
September 59°F (15°C) 1.8 in
October 52°F (11°C) 3.7 in
November 45°F (7°C) 6.8 in
December 41°F (5°C) 7.4 in Coldest, Wettest

Port Orchard has a seasonal temperature swing of 25°F / from 41°F in December to 66°F in July. Total annual precipitation is 44.4 inches, with December being the wettest month (7.4") and July the driest (0.9").

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