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Weather & Climate in Ione, OR

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

Ione experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 76°F in July. The area gets 293 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 8.6 inches (drier than the 38-inch national average). The area receives 3.7 inches of snow annually. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 1,094 feet.

Temperature

35°F Jan (2°C) 76°F Jul (24°C)
Annual Average54.0°F
0% below US avg
January Average35°F (2°C)
July Average76°F (24°C)
Sunny Days293 days/yr

Geography

Elevation1,094 ft (333 m)
Area0.3 sq mi (0.6 km²)
Population Density489/sq mi
Coordinates45.5029°N, 119.8220°W
TimezoneAmerica/Los_Angeles
CountyMorrow County County
Nearest AirportEastern Oregon Regional At Pendleton (PDT)
51 miles away

Precipitation & Snow

Annual Rainfall 8.6"
77% below US avg
Snowfall 3.7"
Wettest Month (Nov) 1.42"
Driest Month (Jul) 0.24"

Air Quality

AQI Median32.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score26.4 / 100
Social Vulnerability26.6 / 100
Community Resilience2.8 / 100

Hazard Breakdown

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

Earthquake History

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

Jun 29, 2002 6 km ENE of Government Camp, Oregon M4.5 147 km 5 km
Nov 28, 1991 7 km S of Walla Walla East, Washington M4.3 129 km 9 km
Jun 17, 2010 30 km S of White Swan, Washington M4.2 98 km 3 km
Jul 14, 2008 11 km ESE of Maupin, Oregon M4.2 98 km 16 km
Jul 14, 1992 6 km S of Walla Walla East, Washington M4.1 129 km 11 km
Jan 30, 2000 6 km SE of Condon, Oregon M4.1 41 km -1 km
Oct 9, 1998 20 km S of White Swan, Washington M4.0 104 km 2 km
Jun 6, 2021 6 km NE of Government Camp, Oregon M3.9 147 km 4 km
Mar 22, 1997 10 km ESE of Condon, Oregon M3.9 39 km 0 km
Aug 7, 1992 8 km WSW of Irrigon, Oregon M3.9 44 km 0 km
Nov 18, 1997 20 km NW of Bickleton, Washington M3.9 87 km 15 km
Jun 29, 2002 7 km NE of Government Camp, Oregon M3.8 146 km 5 km
Jun 14, 2007 12 km ESE of Maupin, Oregon M3.8 97 km 18 km
Jan 1, 1997 14 km NNE of Selah, Washington M3.7 150 km 18 km
Sep 4, 2011 14 km N of Richland, Washington M3.7 110 km 2 km
May 18, 2008 11 km SSW of Benton City, Washington M3.7 77 km 20 km
Jan 2, 2010 10 km ESE of Maupin, Oregon M3.6 98 km 14 km
Feb 1, 2000 7 km SE of Condon, Oregon M3.6 42 km -1 km
Apr 5, 2008 12 km ESE of Maupin, Oregon M3.6 97 km 18 km
Apr 20, 2009 10 km ESE of Maupin, Oregon M3.6 98 km 15 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

14 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Jun 26, 1958 EF2 94 km 0.3 mi 0
May 19, 2006 EF1 38 km 0.1 mi 0
Jul 19, 2004 EF1 85 km 2.2 mi 0
May 22, 2016 EF0 93 km 0.2 mi 0
Aug 13, 2014 EF0 91 km 0.3 mi 0
Apr 14, 2011 EF0 13 km 0.2 mi 0
Apr 23, 2005 EF0 94 km 0.1 mi 0
Jun 7, 2004 EF0 59 km 0.5 mi 0
May 23, 2004 EF0 51 km 0.1 mi 0
Jul 13, 2002 EF0 80 km 0.2 mi 0
Jul 9, 1995 EF0 57 km 0.1 mi 0
May 1, 1991 EF0 98 km 0.1 mi 0
Apr 12, 1957 EF0 20 km 16.2 mi 0
May 9, 1956 EF0 82 km 10.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Hood (147 km).

Name Type Elevation Last Eruption Distance
Hood Stratovolcano 3,426 m (11,240 ft) 1866 147 km
Adams Stratovolcano 3,742 m (12,277 ft) 950 151 km
Indian Heaven Shield(s) 1,806 m (5,925 ft) -6250 162 km
West Crater Volcanic field 1,329 m (4,360 ft) -5750 180 km
Jefferson Stratovolcano 3,199 m (10,495 ft) 950 181 km
St. Helens Stratovolcano 2,549 m (8,363 ft) 2008 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BATTLE MOUNTAIN COMPLEX (184,979 acres, 2024).

Year Name Acres Burned Distance
2024 BATTLE MOUNTAIN COMPLEX 184,979 71 km
2000 MULE DRY 90,184 56 km
2011 HANCOCK COMPLEX 71,495 73 km
2018 SUBSTATION 0730 RN 69,109 87 km
2023 NEWELL ROAD 61,833 56 km
2007 MONUMENT COMPLEX (RED HILL FIRE) 54,572 69 km
2024 BIG HORN 51,023 46 km
2018 STUBBLEFIELD 1008 RN 49,160 57 km
2018 JENNIES PEAK 1039 RN 47,664 85 km
2008 COAL PLANT 45,801 22 km
2014 BLACK ROCK 40,760 79 km
2015 HIGHWAY 8 35,296 44 km
2018 LONG HOLLOW 0806 RN 33,662 92 km
2016 0353 RN SCOTT CANYON 32,051 37 km
2014 PINE CREEK 31,033 85 km
2001 MONUMENT COMPLEX (MALLORY) 29,095 74 km
2002 WHITE RIVER 28,930 95 km
2007 HORSE HEAVEN COMPLEX (SIX PRONG) 28,225 48 km
2000 UNNAMED 27,815 45 km
2015 UNNAMED 27,736 20 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (2°C) 1.3 in
February 38°F (3°C) 1.0 in
March 45°F (7°C) 1.1 in
April 51°F (11°C) 0.9 in
May 59°F (15°C) 0.9 in
June 66°F (19°C) 0.6 in
July 76°F (24°C) 0.2 in Warmest, Driest
August 73°F (23°C) 0.4 in
September 64°F (18°C) 0.5 in
October 52°F (11°C) 0.8 in
November 41°F (5°C) 1.4 in Wettest
December 34°F (1°C) 1.3 in Coldest

Ione has a seasonal temperature swing of 42°F / from 34°F in December to 76°F in July. Total annual precipitation is 10.4 inches, with November being the wettest month (1.4") and July the driest (0.2").

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