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Weather & Climate in Renton, WA

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

Renton experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 42°F in January while summers reach 68°F in July. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 50.4 inches (wetter than the 38-inch national average). The area receives 21.0 inches of snow annually, a moderate snowfall amount. 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 36 feet.

Temperature

42°F Jan (6°C) 68°F Jul (20°C)
Annual Average52.8°F
2% below US avg
January Average42°F (6°C)
July Average68°F (20°C)
Sunny Days237 days/yr

Geography

Elevation36 ft (11 m)
Area25.2 sq mi (65.3 km²)
Population Density4,472/sq mi
Coordinates47.4792°N, 122.1946°W
TimezoneAmerica/Los_Angeles
CountyKitsap County County
Nearest AirportSeattle-Tacoma International (SEA)
6 miles away

Precipitation & Snow

Annual Rainfall 50.4"
33% above US avg
Snowfall 21.0"
Wettest Month (Dec) 6.10"
Driest Month (Jul) 0.98"

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

1,489 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 54 km 52 km
Jul 3, 1999 8 km N of Satsop, Washington M5.8 106 km 40 km
May 3, 1996 8 km NNE of Lake Marcel-Stillwater, Washington M5.4 39 km 4 km
Jun 10, 2001 18 km N of Satsop, Washington M5.0 105 km 40 km
Jan 29, 1995 3 km WSW of Des Moines, Washington M5.0 16 km 15 km
Jun 23, 1997 2 km NE of Enetai, Washington M4.9 31 km 13 km
Apr 25, 2003 26 km W of Brinnon, Washington M4.8 82 km 51 km
Jan 30, 2009 6 km ESE of Lofall, Washington M4.7 45 km 62 km
Jul 12, 2019 2 km S of Roosevelt, Washington M4.6 46 km 29 km
Mar 3, 2025 2025 Orcas Island, Washington M4.5 134 km 16 km
Feb 14, 2011 31 km S of Morton, Washington M4.3 133 km 4 km
Jun 18, 1994 11 km SE of Skykomish, Washington M4.3 71 km -1 km
Jul 22, 2001 4 km WSW of DuPont, Washington M4.3 57 km 52 km
Jun 27, 2013 25 km N of Leavenworth, Washington M4.3 119 km 8 km
Feb 18, 2015 15 km ENE of Cle Elum, Washington M4.2 112 km 4 km
May 20, 1995 15 km NNE of Ashford, Washington M4.1 69 km 12 km
Sep 21, 2002 9 km SW of Friday Harbor, Washington M4.1 132 km 23 km
Feb 23, 2017 11 km NE of Hoodsport, Washington M4.1 63 km 15 km
Aug 16, 2004 16 km ENE of Packwood, Washington M4.0 105 km -1 km
Jun 15, 1994 1 km WNW of Hoodsport, Washington M4.0 73 km 44 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
Dec 12, 1969 EF3 16 km 3.8 mi 0
Dec 18, 2018 EF2 34 km 1.4 mi 0
May 13, 1986 EF2 83 km 0.3 mi 0
Nov 24, 1970 EF2 69 km 0.3 mi 0
Oct 18, 2019 EF1 61 km 0.7 mi 0
Jan 18, 2015 EF1 34 km 4.1 mi 0
Sep 30, 2013 EF1 46 km 1.0 mi 0
Sep 6, 2009 EF1 32 km 9.6 mi 0
May 18, 2005 EF1 80 km 0.2 mi 0
May 27, 2004 EF1 91 km 0.2 mi 0
Jun 27, 2001 EF1 33 km 2.3 mi 0
May 31, 1997 EF1 34 km 0.5 mi 0
Jun 12, 1978 EF1 41 km 1.5 mi 0
Dec 22, 1971 EF1 14 km 0.5 mi 0
Oct 26, 1971 EF1 58 km 3.0 mi 0
Sep 28, 1962 EF1 8 km 0.1 mi 0
Apr 27, 2014 EF0 69 km 0.2 mi 0
Jun 16, 2006 EF0 56 km 0.5 mi 0
Jan 28, 2006 EF0 69 km 0.5 mi 0
Jun 5, 2004 EF0 84 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

6 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 61 142 km
1894 PUYALLUP RIVER DELTA, TACOMA, WA Meteorological 3.0 m 2 29 km
1891 WASHINGTON Eruption + Earthquake 2.4 m 114 km
1949 PUGET SOUND, WA Meteorological 2.4 m 32 km
1949 PUGET SOUND, WA Eruption + Earthquake 8 47 km
1820 CAMANO ISLAND, WA Meteorological 66 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Rainier (77 km).

Name Type Elevation Last Eruption Distance
Rainier Stratovolcano 4,392 m (14,409 ft) 1450 77 km
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 107 km
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 142 km
Baker Stratovolcano(es) 3,285 m (10,778 ft) 1880 147 km
Adams Stratovolcano 3,742 m (12,277 ft) 950 151 km
Indian Heaven Shield(s) 1,806 m (5,925 ft) -6250 175 km
West Crater Volcanic field 1,329 m (4,360 ft) -5750 178 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

16 wildfires (100+ acres) recorded within 100 km. Largest: NORSE PEAK (51,017 acres, 2017).

Year Name Acres Burned Distance
2017 NORSE PEAK 51,017 80 km
2017 JOLLY MOUNTAIN 38,159 93 km
2022 BOLT CREEK 15,211 67 km
2017 JACK CREEK 5,184 96 km
2022 IRVING PEAK 3,983 100 km
2017 AMERICAN 3,794 91 km
2018 MAPLE 3,547 73 km
2016 HAYES TWO 2,679 97 km
2022 LOCH KATRINE 2,163 46 km
1988 FALLS CREEK 2,152 77 km
2011 BIG HUMP 1,400 73 km
1985 BEAVER 1,107 88 km
2003 SQUARE LAKE FIRE 1,106 86 km
2006 POLLALIE 1,070 81 km
2017 SAWMILL CREEK 1,056 66 km
2006 BEAR GULCH II 1,037 82 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 5.5 in
February 42°F (6°C) 4.3 in
March 45°F (7°C) 4.1 in
April 50°F (10°C) 3.1 in
May 56°F (13°C) 2.1 in
June 61°F (16°C) 1.7 in
July 68°F (20°C) 1.0 in Warmest, Driest
August 66°F (19°C) 1.2 in
September 60°F (16°C) 1.8 in
October 52°F (11°C) 3.3 in
November 44°F (7°C) 6.0 in
December 39°F (4°C) 6.1 in Coldest, Wettest

Renton has a seasonal temperature swing of 29°F / from 39°F in December to 68°F in July. Total annual precipitation is 40.2 inches, with December being the wettest month (6.1") and July the driest (1.0").

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