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Weather & Climate in Liberty Lake, WA

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

Liberty Lake experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 32°F in January while summers reach 72°F in July. The area gets 273 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 17.4 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 2,072 feet.

Temperature

32°F Jan (-0°C) 72°F Jul (22°C)
Annual Average49.8°F
8% below US avg
January Average32°F (-0°C)
July Average72°F (22°C)
Sunny Days273 days/yr

Geography

Elevation2,072 ft (632 m)
Area2.4 sq mi (6.1 km²)
Population Density1,961/sq mi
Coordinates47.6685°N, 117.1042°W
TimezoneAmerica/Los_Angeles
CountySpokane County County
Nearest AirportSpokane International (GEG)
20 miles away

Precipitation & Snow

Annual Rainfall 17.4"
54% below US avg
Wettest Month (Dec) 3.23"
Driest Month (Jul) 0.94"

Air Quality

AQI Median28.0
RatingGood

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

91 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.

Dec 22, 1998 Idaho-Montana border region M4.7 146 km 12 km
Aug 17, 1994 1 km E of Mullan, Idaho M4.1 102 km 2 km
Nov 11, 2001 3 km NE of Spokane, Washington M4.0 22 km 4 km
Apr 24, 2015 8 km WSW of Hope, Idaho M3.9 80 km 17 km
Jun 25, 2001 Washington M3.9 22 km 10 km
Jun 28, 1998 3 km SE of Genesee, Idaho M3.8 127 km 10 km
Apr 24, 2015 12 km SSW of East Hope, Idaho M3.7 76 km 9 km
May 30, 1996 3 km SSW of Mullan, Idaho M3.6 100 km 1 km
Mar 14, 1997 1 km E of Mullan, Idaho M3.6 102 km 2 km
Jan 20, 2000 21 km ENE of Athol, Idaho M3.5 63 km 5 km
Dec 15, 2012 19 km S of Troy, Montana M3.4 115 km 1 km
Jun 17, 2004 11 km SSE of Washtucna, Washington M3.4 140 km 17 km
Nov 2, 1996 4 km W of Trout Creek, Montana M3.4 110 km 5 km
Jan 13, 1994 11 km SW of Lind, Washington M3.4 148 km 0 km
Jun 25, 2001 2 km SSE of Town and Country, Washington M3.4 23 km 10 km
Jun 28, 1997 3 km NNW of Mullan, Idaho M3.4 98 km 2 km
Mar 8, 1994 32 km S of Wallace, Idaho M3.4 103 km 5 km
Feb 11, 2025 2 km NNW of Mullan, Idaho M3.3 99 km 5 km
May 10, 2000 Idaho-Montana border region M3.3 102 km 2 km
Sep 22, 2003 12 km NW of Rathdrum, Idaho M3.3 26 km 13 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: EF2. Total: 4 injuries.

Date Rating Distance Path Fatalities
May 31, 1997 EF2 45 km 5.0 mi 0
Apr 9, 1991 EF2 59 km 1.0 mi 0
Jul 17, 1978 EF2 57 km 0.1 mi 0
Aug 30, 1971 EF2 85 km 0.5 mi 0
May 6, 1957 EF2 22 km 1.5 mi 0
Jun 15, 1954 EF2 34 km 0.5 mi 0
May 6, 2009 EF1 78 km 3.4 mi 0
May 31, 1997 EF1 37 km 5.0 mi 0
Apr 12, 1984 EF1 11 km 1.0 mi 0
Oct 17, 1983 EF1 40 km 0.5 mi 0
Jun 22, 1981 EF1 41 km 0.1 mi 0
Aug 19, 1978 EF1 78 km 1.9 mi 0
Jun 29, 1970 EF1 47 km 0.1 mi 0
Apr 18, 2024 EF0 34 km 0.0 mi 0
Mar 26, 2024 EF0 85 km 0.0 mi 0
May 6, 2022 EF0 19 km 2.1 mi 0
May 6, 2022 EF0 32 km 0.6 mi 0
Aug 9, 2016 EF0 39 km 0.2 mi 0
Jul 22, 2016 EF0 34 km 0.2 mi 0
Oct 5, 2011 EF0 69 km 0.0 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 — 127 km
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m — 95 km
2024 COLUMBIA RIVER VALLEY, WA Meteorological 14.3 m — 127 km
1944 COLUMBIA RIVER VALLEY, WA Meteorological 9.1 m — 127 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 9.0 m — 71 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 4.8 m — 127 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m — 83 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological — — 127 km
1952 COLUMBIA RIVER VALLEY, WA Meteorological — — 127 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CARPENTER RD. (62,488 acres, 2015).

Year Name Acres Burned Distance
2015 CARPENTER RD. 62,488 85 km
2015 TOWER 24,779 91 km
2008 SWANSON LAKE 18,941 97 km
2021 FORD CORKSCREW 16,179 55 km
2021 DECEITFUL 12,750 85 km
1991 UNNAMED 12,401 51 km
2015 SOUTH BOBTAIL 11,256 97 km
2023 OREGON 10,957 37 km
2003 RATTLESNAKE CANYON 10,655 100 km
2023 GRAY 10,096 45 km
2016 CAYUSE MTN 9,744 73 km
2014 WATERMELON HILL 9,321 63 km
2015 LOWER FLAT 9,034 74 km
2018 COUGAR 8,708 99 km
2022 WAGNER ROAD 8,155 89 km
2021 TRESTLE CREEK COMPLEX 7,117 98 km
2016 SPOKANE COMPLEX 6,839 24 km
1991 UNNAMED 6,024 95 km
2005 WALL LAKE 5,373 100 km
1991 UNNAMED 5,297 60 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (-0°C) 3.0 in
February 32°F (0°C) 2.2 in
March 38°F (4°C) 2.0 in
April 46°F (8°C) 1.7 in
May 53°F (12°C) 2.1 in
June 60°F (16°C) 1.7 in
July 72°F (22°C) 0.9 in Warmest, Driest
August 66°F (19°C) 1.1 in
September 57°F (14°C) 1.1 in
October 46°F (8°C) 1.5 in
November 35°F (2°C) 3.1 in
December 29°F (-2°C) 3.2 in Coldest, Wettest

Liberty Lake has a seasonal temperature swing of 43°F / from 29°F in December to 72°F in July. Total annual precipitation is 23.5 inches, with December being the wettest month (3.2") and July the driest (0.9").

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