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Weather & Climate in Parker, WA

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

Parker experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 30°F in January while summers reach 71°F in July. The area gets 279 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 8.4 inches (drier than the 38-inch national average). 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 929 feet.

Temperature

30°F Jan (-1°C) 71°F Jul (22°C)
Annual Average49.2°F
9% below US avg
January Average30°F (-1°C)
July Average71°F (22°C)
Sunny Days279 days/yr

Geography

Elevation929 ft (283 m)
Area0.1 sq mi (0.3 km²)
Population Density750/sq mi
Coordinates46.5022°N, 120.4668°W
TimezoneAmerica/Los_Angeles
CountyYakima County County
Nearest AirportTri-Cities (PSC)
66 miles away

Precipitation & Snow

Annual Rainfall 8.4"
78% below US avg
Wettest Month (Dec) 1.38"
Driest Month (Jul) 0.20"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score94.0 / 100
Social Vulnerability63.9 / 100
Community Resilience13.5 / 100

Hazard Breakdown

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

Earthquake History

1,132 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.

Jun 18, 1994 11 km SE of Skykomish, Washington M4.3 139 km -1 km
Feb 14, 2011 31 km S of Morton, Washington M4.3 136 km 4 km
Jun 27, 2013 25 km N of Leavenworth, Washington M4.3 148 km 8 km
Jun 17, 2010 30 km S of White Swan, Washington M4.2 49 km 3 km
Feb 18, 2015 15 km ENE of Cle Elum, Washington M4.2 86 km 4 km
Jan 30, 2000 6 km SE of Condon, Oregon M4.1 148 km -1 km
May 20, 1995 15 km NNE of Ashford, Washington M4.1 120 km 12 km
Aug 16, 2004 16 km ENE of Packwood, Washington M4.0 79 km -1 km
Oct 9, 1998 20 km S of White Swan, Washington M4.0 38 km 2 km
Oct 1, 2004 37 km NNE of Amboy, Washington M3.9 137 km -1 km
Mar 22, 1997 10 km ESE of Condon, Oregon M3.9 148 km 0 km
Sep 10, 1994 2 km SE of Enumclaw, Washington M3.9 137 km 17 km
Aug 7, 1992 8 km WSW of Irrigon, Oregon M3.9 98 km 0 km
Jun 25, 2004 17 km W of Packwood, Washington M3.9 110 km -1 km
Nov 18, 1997 20 km NW of Bickleton, Washington M3.9 40 km 15 km
Jan 3, 2018 37 km SSE of Morton, Washington M3.9 125 km 10 km
Sep 12, 2015 3 km NE of North Bend, Washington M3.9 149 km 19 km
Mar 29, 2010 10 km NE of Cliffdell, Washington M3.8 67 km 1 km
Oct 1, 2004 36 km NNE of Amboy, Washington M3.7 137 km -2 km
Sep 4, 2011 14 km N of Richland, Washington M3.7 93 km 2 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

13 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Apr 30, 1957 EF2 11 km 1.0 mi 0
May 19, 2006 EF1 96 km 0.1 mi 0
May 1, 2024 EF0 70 km 0.4 mi 0
Mar 31, 2020 EF0 93 km 0.1 mi 0
Aug 13, 2014 EF0 55 km 0.3 mi 0
Apr 7, 2008 EF0 10 km 0.1 mi 0
May 9, 2005 EF0 13 km 0.2 mi 0
Apr 23, 2005 EF0 28 km 0.1 mi 0
Apr 23, 2005 EF0 20 km 0.1 mi 0
Jun 7, 2004 EF0 76 km 0.5 mi 0
May 15, 2000 EF0 18 km 0.2 mi 0
May 9, 1999 EF0 22 km — 0
Aug 26, 1997 EF0 24 km 1.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami 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 61 136 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Adams (85 km).

Name Type Elevation Last Eruption Distance
Adams Stratovolcano 3,742 m (12,277 ft) 950 85 km
Rainier Stratovolcano 4,392 m (14,409 ft) 1450 106 km
Indian Heaven Shield(s) 1,806 m (5,925 ft) -6250 122 km
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 136 km
West Crater Volcanic field 1,329 m (4,360 ft) -5750 142 km
Hood Stratovolcano 3,426 m (11,240 ft) 1866 157 km
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 186 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: RANGE 12 (167,604 acres, 2016).

Year Name Acres Burned Distance
2016 RANGE 12 167,604 46 km
2000 24 COMMAND 162,300 68 km
1984 HANFORD 122,914 69 km
2021 SCHNEIDER SPRINGS 114,743 61 km
2000 MULE DRY 90,184 66 km
2013 COLOCKUM TARPS 79,279 80 km
2007 WAUTOMA 77,956 59 km
2020 EVANS CANYON 76,288 39 km
1996 COLD CREEK 72,859 37 km
2018 BOYLSTON 66,292 47 km
2012 TABLE MOUNTAIN COMPLEX 65,887 88 km
2023 NEWELL ROAD 61,833 73 km
2015 COUGAR CREEK 51,866 79 km
2024 BIG HORN 51,023 76 km
2017 NORSE PEAK 51,017 90 km
2009 DRY CREEK COMPLEX 49,843 40 km
2024 RETREAT 44,681 43 km
2019 COLD CREEK 43,756 63 km
2015 HIGHWAY 8 35,296 81 km
2003 UMTANUM RIDGE 34,351 37 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 1.2 in Coldest
February 36°F (2°C) 0.8 in
March 43°F (6°C) 0.7 in
April 50°F (10°C) 0.6 in
May 58°F (14°C) 0.5 in
June 65°F (18°C) 0.5 in
July 71°F (22°C) 0.2 in Warmest, Driest
August 71°F (22°C) 0.4 in
September 62°F (17°C) 0.4 in
October 51°F (10°C) 0.5 in
November 39°F (4°C) 1.1 in
December 30°F (-1°C) 1.4 in Wettest

Parker has a seasonal temperature swing of 41°F / from 30°F in January to 71°F in July. Total annual precipitation is 8.2 inches, with December being the wettest month (1.4") and July the driest (0.2").

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