Winchester, ID

Full City Profile · Idaho · Nez Perce County County

3.0 /5.0
B Good
300 Population 1,667/sq mi density
$43,125 Median Income $24,273 per capita
$198,400 Home Value $303,309 Zillow
$769 Median Rent 24.2% income on rent
45°F Avg Temperature
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$43,125 median income, 4.9% unemployment
A
Affordability
4.1 / 5.0
$198,400 home value, $769/mo rent
D
Education
1.9 / 5.0
11.3% bachelor's degree or higher
Winchester has a cool climate with an average annual temperature of 45°F (7°C). Winters average 30°F in January while summers reach 64°F in July. Annual precipitation totals 21.8 inches. The area receives 86.5 inches of snow annually. Air quality is rated Good with a median AQI of 29.

Temperature

30°F Jan (-1°C) 64°F Jul (18°C)
Annual Average44.6°F
17% below US avg
January Average30°F (-1°C)
July Average64°F (18°C)

Geography

Elevation3,977 ft (1,212 m)
Area0.2 sq mi (0.4 km²)
Population Density1,667/sq mi
Coordinates46.2408°N, 116.6241°W
TimezoneAmerica/Boise
CountyNez Perce County County
Nearest AirportPullman/Moscow Regional (PUW)
42 miles away

Precipitation & Snow

Annual Rainfall 21.8"
43% below US avg
Snowfall 86.5"
Wettest Month (May) 2.76"
Driest Month (Aug) 0.71"

Air Quality

AQI Median29.0
RatingGood
Good Days %75.4%
Unhealthy Days8

Natural Hazard Risk

Overall RiskVery Low
Risk Score33.0 / 100
Social Vulnerability10.6 / 100
Community Resilience55.3 / 100

Hazard Breakdown

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

Earthquake History

83 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M2.7 on Jul 20, 2024.

Nov 28, 1991 7 km S of Walla Walla East, Washington M4.3 133 km
Jul 14, 1992 6 km S of Walla Walla East, Washington M4.1 133 km
Nov 8, 1997 39 km SE of Pierce, Idaho M3.8 93 km
Jun 28, 1998 3 km SE of Genesee, Idaho M3.8 39 km
May 30, 1996 3 km SSW of Mullan, Idaho M3.6 147 km
Dec 24, 1999 18 km WNW of New Meadows, Idaho M3.5 132 km
Jun 17, 2004 11 km SSE of Washtucna, Washington M3.4 133 km
Mar 8, 1994 32 km S of Wallace, Idaho M3.4 118 km
Dec 15, 1991 6 km SSW of Walla Walla East, Washington M3.3 134 km
Nov 23, 2001 6 km WNW of New Meadows, Idaho M3.2 141 km
Feb 10, 2013 29 km ESE of Pierce, Idaho M3.2 90 km
Jan 26, 1992 28 km ENE of Halfway, Oregon M3.2 137 km
Feb 9, 1996 2 km W of Mullan, Idaho M3.2 149 km
Aug 14, 2017 19 km NNW of Halfway, Oregon M3.1 141 km
Jul 21, 1998 6 km N of Halfway, Oregon M3.1 150 km
Mar 12, 1999 17 km NW of Malden, Washington M3.1 144 km
May 6, 2004 0 km W of Mullan, Idaho M3.1 150 km
Mar 18, 1993 3 km SSW of Osburn, Idaho M3.1 145 km
May 23, 1999 19 km NE of Halfway, Oregon M3.0 140 km
Jul 20, 1998 6 km N of Halfway, Oregon M3.0 150 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

17 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2.

Date Rating Distance Fatalities
Aug 30, 1971 EF2 94 km 0
Jun 11, 1968 EF2 71 km 0
Mar 14, 1966 EF2 95 km 0
May 8, 1962 EF2 22 km 0
May 19, 1986 EF1 57 km 0
May 2, 1973 EF1 62 km 0
Jun 20, 1969 EF1 32 km 0
Jul 12, 2016 EF0 88 km 0
May 9, 2013 EF0 99 km 0
Oct 7, 2010 EF0 20 km 0
Oct 7, 2010 EF0 21 km 0
Jun 29, 2007 EF0 59 km 0
May 31, 1997 EF0 33 km 0
Jun 1, 1991 EF0 39 km 0
May 1, 1991 EF0 41 km 0
Sep 14, 1986 EF0 99 km 0
Apr 11, 1979 EF0 52 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: DOUBLE CREEK (171,012 ac, 2022).

Year Name Acres Distance
2022 DOUBLE CREEK 171,012 81 km
2000 MALONEY CREEK 131,397 36 km
2006 COLUMBIA COMPLEX 118,865 91 km
2021 SHOVEL CREEK 109,829 28 km
2021 LICK CREEK 80,376 61 km
2015 BUTTE CREEK 79,418 80 km
2007 BATTLE CREEK COMPLEX (BATTLE CREEK) 79,114 92 km
2012 CACHE CREEK 75,521 43 km
2014 BIG COUGAR 65,397 32 km
2007 POE CABIN 59,704 70 km
1988 TEEPEE BUTTE 59,565 48 km
2005 SCHOOL 51,701 76 km
2012 SHEEP 50,769 82 km
2007 CHIMNEY COMPLEX 50,646 29 km
1996 SALT COMPLEX (SALT CREEK) 50,250 76 km
2015 KAMIAH GULCH 48,459 45 km
2017 POWERLINE 45,449 33 km
2021 GREEN RIDGE 44,604 79 km
2005 GRANITE COMPLEX 37,332 94 km
1986 JOSEPH/STARVATION 37,064 64 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 1.8 in
February 31°F (-0°C) 1.6 in
March 36°F (2°C) 2.3 in
April 42°F (5°C) 2.7 in
May 49°F (10°C) 2.8 in Wettest
June 55°F (13°C) 2.4 in
July 64°F (18°C) 0.8 in
August 64°F (18°C) 0.7 in Warmest, Driest
September 56°F (13°C) 1.1 in
October 45°F (7°C) 1.8 in
November 35°F (2°C) 2.1 in
December 29°F (-2°C) 1.8 in Coldest

Winchester has a seasonal temperature swing of 35°F / from 29°F in December to 64°F in August. Total annual precipitation is 21.8 inches, with May being the wettest month (2.8") and August the driest (0.7").

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