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Weather & Climate in Conconully, WA

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

Conconully experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 274 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 11.6 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 2,310 feet.

Temperature

28°F Jan (-2°C) 74°F Jul (23°C)
Annual Average49.9°F
8% below US avg
January Average28°F (-2°C)
July Average74°F (23°C)
Sunny Days274 days/yr

Geography

Elevation2,310 ft (704 m)
Area0.1 sq mi (0.2 km²)
Population Density962/sq mi
Coordinates48.5586°N, 119.7521°W
TimezoneAmerica/Los_Angeles
CountyOkanogan County County
Nearest AirportGrant County International (MWH)
95 miles away

Precipitation & Snow

Annual Rainfall 11.6"
69% below US avg
Wettest Month (Dec) 1.97"
Driest Month (Sep) 0.87"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score89.2 / 100
Social Vulnerability89.0 / 100
Community Resilience16.4 / 100

Hazard Breakdown

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

Earthquake History

202 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Jun 24, 1997 16 km WNW of Malott, Washington M4.6 24 km 10 km
Jun 27, 2013 25 km N of Leavenworth, Washington M4.3 107 km 8 km
Sep 1, 2015 15 km N of Nespelem Community, Washington M4.2 61 km 9 km
Apr 15, 1991 4 km SE of Pateros, Washington M3.9 60 km 11 km
Sep 10, 2016 23 km E of Oliver, Canada M3.9 81 km 1 km
Mar 3, 1998 16 km NNE of Grand Forks, Canada M3.8 123 km 5 km
Jul 4, 1997 8 km NNE of Waterville, Washington M3.7 96 km 7 km
Jan 26, 1992 9 km SSE of Okanagan Falls, Canada M3.7 81 km 10 km
Jun 24, 1997 16 km NW of Malott, Washington M3.6 23 km 7 km
Dec 24, 2000 8 km NNW of Entiat, Washington M3.5 98 km 7 km
Jan 12, 1997 15 km N of Princeton, Canada M3.5 128 km 5 km
Jan 24, 1992 4 km WNW of Waterville, Washington M3.4 104 km 6 km
Mar 8, 1992 27 km SW of Princeton, Canada M3.4 108 km 5 km
Apr 28, 2023 38 km SW of Princeton, Canada M3.4 106 km 5 km
Apr 21, 2008 12 km E of Verlot, Washington M3.4 147 km 0 km
Jul 19, 2025 34 km W of Okanagan Falls, Canada M3.4 94 km 7 km
Jun 6, 2002 7 km NW of Entiat, Washington M3.4 101 km 6 km
Sep 13, 2012 10 km ESE of Rock Island, Washington M3.4 137 km 9 km
Jul 24, 2017 Washington M3.3 97 km 2 km
Sep 18, 1997 6 km NE of Waterville, Washington M3.3 99 km 2 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

6 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.

Date Rating Distance Path Fatalities
Jul 21, 1997 EF1 72 km 5.0 mi 0
Jul 21, 1997 EF1 72 km 5.0 mi 0
May 30, 1987 EF1 46 km 1.0 mi 0
May 3, 1982 EF1 23 km 0.1 mi 0
Jul 22, 2016 EF0 90 km 0.2 mi 0
Aug 26, 1997 EF0 23 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

8 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 — 118 km
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m — 132 km
2024 COLUMBIA RIVER VALLEY, WA Meteorological 14.3 m — 119 km
1944 COLUMBIA RIVER VALLEY, WA Meteorological 9.1 m — 118 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 4.8 m — 118 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m — 139 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological — — 118 km
1952 COLUMBIA RIVER VALLEY, WA Meteorological — — 118 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Glacier Peak (112 km).

Name Type Elevation Last Eruption Distance
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 112 km
Baker Stratovolcano(es) 3,285 m (10,778 ft) 1880 153 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CARLTON COMPLEX (276,249 acres, 2014).

Year Name Acres Burned Distance
2014 CARLTON COMPLEX 276,249 38 km
2015 NORTH STAR 218,547 62 km
2020 PEARL HILL 217,720 81 km
2020 COLD SPRINGS 187,561 42 km
2015 TUNK BLOCK 180,111 32 km
2015 LIMEBELT 137,098 7 km
1994 TYEE CREEK 123,618 95 km
2017 DIAMOND CREEK 117,527 61 km
2006 TRIPOD COMPLEX (SPUR PEAK) 115,123 36 km
2012 BARKER CANYON COMPLEX 85,906 73 km
2003 FAWN PEAK COMPLEX (FAREWELL) 77,444 44 km
2018 GRASS VALLEY 76,074 81 km
2021 CUB CREEK 2 74,601 32 km
2015 WOLVERINE 66,329 82 km
2015 BLACK CANYON 61,379 69 km
2021 WHITMORE 59,925 54 km
2006 TRIPOD COMPLEX (TRIPOD) 59,712 18 km
2021 CEDAR CREEK 58,591 50 km
2021 SUMMIT TRAIL 54,855 100 km
2001 REX CREEK COMPLEX (REX CREEK) 54,456 69 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 1.7 in
February 28°F (-2°C) 1.5 in
March 35°F (2°C) 1.2 in
April 43°F (6°C) 1.1 in
May 51°F (10°C) 1.7 in
June 57°F (14°C) 1.7 in
July 74°F (23°C) 1.0 in Warmest
August 63°F (17°C) 1.1 in
September 55°F (13°C) 0.9 in Driest
October 44°F (7°C) 1.0 in
November 31°F (-1°C) 1.8 in
December 22°F (-6°C) 2.0 in Coldest, Wettest

Conconully has a seasonal temperature swing of 52°F / from 22°F in December to 74°F in July. Total annual precipitation is 16.4 inches, with December being the wettest month (2.0") and September the driest (0.9").

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