Weather & Climate in Reardan, WA

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

Reardan experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 30°F in January while summers reach 71°F in July. Annual precipitation totals 16.5 inches (drier than the 38-inch national average). The area receives 45.4 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. 77% of days have good air quality. The city sits at an elevation of 2,506 feet.

Temperature

30°F Jan (-1°C) 71°F Jul (22°C)
Annual Average48.6°F
10% below US avg
January Average30°F (-1°C)
July Average71°F (22°C)

Geography

Elevation2,506 ft (764 m)
Area0.2 sq mi (0.5 km²)
Population Density1,414/sq mi
Coordinates47.6701°N, 117.8786°W
TimezoneAmerica/Los_Angeles
CountySpokane County County
Nearest AirportSpokane International (GEG)
16 miles away

Precipitation & Snow

Annual Rainfall 16.5"
57% below US avg
Snowfall 45.4"
Wettest Month (Dec) 2.34"
Driest Month (Jul) 0.42"

Air Quality

AQI Median38.0
RatingGood
Good Days %76.5%
Unhealthy Days1

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score90.0 / 100
Social Vulnerability21.0 / 100
Community Resilience75.8 / 100

Hazard Breakdown

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

Earthquake History

81 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Sep 1, 2015 15 km N of Nespelem Community, Washington M4.2 111 km 9 km
Nov 11, 2001 3 km NE of Spokane, Washington M4.0 36 km 4 km
Apr 24, 2015 8 km WSW of Hope, Idaho M3.9 125 km 17 km
Jun 25, 2001 Washington M3.9 36 km 10 km
Jun 28, 1998 3 km SE of Genesee, Idaho M3.8 147 km 10 km
Apr 24, 2015 12 km SSW of East Hope, Idaho M3.7 124 km 9 km
Jan 20, 2000 21 km ENE of Athol, Idaho M3.5 114 km 5 km
Jan 13, 1994 11 km SW of Lind, Washington M3.4 107 km 0 km
Jun 17, 2004 11 km SSE of Washtucna, Washington M3.4 114 km 17 km
Jun 25, 2001 2 km SSE of Town and Country, Washington M3.4 35 km 10 km
May 11, 2001 4 km NNW of Moses Lake North, Washington M3.3 121 km 11 km
May 27, 1997 15 km W of Othello, Washington M3.3 146 km 2 km
Jun 19, 1990 11 km W of Othello, Washington M3.3 143 km 2 km
Sep 22, 2003 12 km NW of Rathdrum, Idaho M3.3 69 km 13 km
Nov 12, 2001 3 km NNE of Spokane, Washington M3.3 35 km 0 km
Apr 24, 2015 7 km SW of Hope, Idaho M3.3 127 km 10 km
Mar 16, 2000 1 km WSW of Coulee City, Washington M3.2 108 km 1 km
Jul 31, 2001 2 km WNW of Town and Country, Washington M3.2 32 km 0 km
Mar 25, 2010 9 km SE of Lakeview, Washington M3.2 121 km 9 km
Mar 12, 1999 17 km NW of Malden, Washington M3.1 41 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
Apr 5, 1972 EF3 49 km 0.1 mi 0
May 31, 1997 EF2 100 km 5.0 mi 0
Apr 9, 1991 EF2 92 km 1.0 mi 0
Jul 17, 1978 EF2 80 km 0.1 mi 0
Apr 5, 1972 EF2 92 km 0.1 mi 0
Aug 30, 1971 EF2 92 km 0.5 mi 0
May 6, 1957 EF2 55 km 1.5 mi 0
Jun 15, 1954 EF2 46 km 0.5 mi 0
May 6, 2009 EF1 23 km 3.4 mi 0
Jul 21, 1997 EF1 99 km 5.0 mi 0
Jul 21, 1997 EF1 99 km 5.0 mi 0
May 31, 1997 EF1 62 km 12.0 mi 0
May 31, 1997 EF1 33 km 5.0 mi 0
Apr 12, 1984 EF1 49 km 1.0 mi 0
Oct 17, 1983 EF1 33 km 0.5 mi 0
Jul 25, 1983 EF1 98 km 0.2 mi 0
Jun 22, 1981 EF1 45 km 0.1 mi 0
Aug 14, 1980 EF1 89 km 0.1 mi 0
Aug 15, 1978 EF1 79 km 0.1 mi 0
Jun 29, 1970 EF1 20 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).

Year Location Cause Max Wave Deaths Distance
1952 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m - 102 km
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m - 40 km
2024 COLUMBIA RIVER VALLEY, WA Meteorological 14.3 m - 102 km
1944 COLUMBIA RIVER VALLEY, WA Meteorological 9.1 m - 102 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 9.0 m - 19 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 4.8 m - 102 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m - 33 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological - - 102 km
1952 COLUMBIA RIVER VALLEY, WA Meteorological - - 102 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: WHITNEY (127,930 acres, 2020).

Year Name Acres Burned Distance
2020 WHITNEY 127,930 52 km
2015 CARPENTER RD. 62,488 45 km
2021 SUMMIT TRAIL 54,855 88 km
2019 WILLIAMS FLATS 44,680 58 km
2021 CHUWEAH CREEK FIRE 37,393 91 km
2014 DEVILS ELBOW COMPLEX 25,988 90 km
2012 APACHE PASS 25,101 54 km
1996 LINCOLN 19,376 63 km
2008 SWANSON LAKE 18,941 40 km
2016 BLACK ROCK ROAD 17,398 90 km
2007 MANILA CREEK 16,248 79 km
2021 FORD CORKSCREW 16,179 32 km
2008 SMITH LAKE FIRE 12,542 93 km
1991 UNNAMED 12,401 17 km
2020 KEWA FIELD 11,811 65 km
2012 BUFFALO LAKE ROAD 11,260 84 km
2023 OREGON 10,957 63 km
2003 RATTLESNAKE CANYON 10,655 45 km
2023 GRAY 10,096 22 km
2016 CAYUSE MTN 9,744 23 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 2.0 in
February 33°F (0°C) 1.4 in
March 40°F (4°C) 1.8 in
April 47°F (8°C) 1.3 in
May 56°F (13°C) 1.6 in
June 62°F (17°C) 1.2 in
July 71°F (22°C) 0.4 in Warmest, Driest
August 70°F (21°C) 0.5 in
September 61°F (16°C) 0.6 in
October 48°F (9°C) 1.4 in
November 36°F (2°C) 2.1 in
December 29°F (-2°C) 2.3 in Coldest, Wettest

Reardan has a seasonal temperature swing of 42°F / from 29°F in December to 71°F in July. Total annual precipitation is 16.5 inches, with December being the wettest month (2.3") and July the driest (0.4").

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