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Weather & Climate in Monument, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monument experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 34°F in January while summers reach 72°F in July. The area gets 311 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 15.1 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 2,023 feet.
Temperature
34°F Jan (1°C)
72°F Jul (22°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 2,023 ft (617 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 388/sq mi |
| Coordinates | 44.8208°N, 119.4209°W |
| Timezone | America/Los_Angeles |
| County | Grant County County |
| Nearest Airport | Grant County Regional/Ogilvie Field (JDA) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.1 / 100 |
| Social Vulnerability | 80.0 / 100 |
| Community Resilience | 30.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
121 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jul 14, 2008 | 11 km ESE of Maupin, Oregon | M4.2 | 125 km | 16 km |
| Jan 30, 2000 | 6 km SE of Condon, Oregon | M4.1 | 69 km | -1 km |
| Aug 7, 1992 | 8 km WSW of Irrigon, Oregon | M3.9 | 116 km | 0 km |
| Mar 22, 1997 | 10 km ESE of Condon, Oregon | M3.9 | 66 km | 0 km |
| Jun 14, 2007 | 12 km ESE of Maupin, Oregon | M3.8 | 125 km | 18 km |
| Apr 5, 2008 | 12 km ESE of Maupin, Oregon | M3.6 | 125 km | 18 km |
| Mar 1, 2007 | Washington-Oregon border region | M3.6 | 124 km | 23 km |
| Apr 20, 2009 | 10 km ESE of Maupin, Oregon | M3.6 | 126 km | 15 km |
| Feb 1, 2000 | 7 km SE of Condon, Oregon | M3.6 | 68 km | -1 km |
| Jan 2, 2010 | 10 km ESE of Maupin, Oregon | M3.6 | 126 km | 14 km |
| Jan 23, 2015 | 3 km N of Cayuse, Oregon | M3.5 | 120 km | 20 km |
| Aug 31, 1999 | Washington-Oregon border region | M3.5 | 67 km | 3 km |
| Jan 30, 2000 | 8 km SE of Condon, Oregon | M3.4 | 67 km | -1 km |
| Jun 1, 2008 | 11 km ESE of Maupin, Oregon | M3.4 | 125 km | 16 km |
| Feb 4, 2008 | 12 km ESE of Maupin, Oregon | M3.3 | 125 km | 19 km |
| May 2, 2007 | 12 km ESE of Maupin, Oregon | M3.3 | 124 km | 18 km |
| Feb 28, 2004 | 10 km WSW of Wallula, Washington | M3.3 | 139 km | 1 km |
| Jun 20, 2008 | 12 km ESE of Maupin, Oregon | M3.2 | 124 km | 19 km |
| Apr 17, 1997 | 9 km ESE of Condon, Oregon | M3.2 | 66 km | 3 km |
| Apr 8, 2007 | 11 km ESE of Maupin, Oregon | M3.2 | 125 km | 21 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 19, 2004 | EF1 | 19 km | 2.2 mi | 0 |
| Nov 5, 2023 | EF0 | 62 km | 0.2 mi | 0 |
| Jun 8, 2016 | EF0 | 52 km | 0.2 mi | 0 |
| Apr 14, 2011 | EF0 | 71 km | 0.2 mi | 0 |
| Oct 4, 2003 | EF0 | 29 km | 0.2 mi | 0 |
| Apr 12, 1957 | EF0 | 90 km | 16.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Devils Garden (185 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 185 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 189 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 189 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 189 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 199 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 | 23 km |
| 2015 | CANYON CREEK COMPLEX | 109,786 | 73 km |
| 2011 | HANCOCK COMPLEX | 71,495 | 81 km |
| 2014 | SOUTH FORK COMPLEX | 66,743 | 61 km |
| 2007 | MONUMENT COMPLEX (RED HILL FIRE) | 54,572 | 15 km |
| 1996 | TOWER | 50,827 | 62 km |
| 2018 | STUBBLEFIELD 1008 RN | 49,160 | 91 km |
| 2018 | JENNIES PEAK 1039 RN | 47,664 | 70 km |
| 2008 | COAL PLANT | 45,801 | 99 km |
| 2016 | RAIL | 43,813 | 100 km |
| 2014 | BLACK ROCK | 40,760 | 92 km |
| 1996 | BULL COMPLEX (SUMMIT) | 36,318 | 58 km |
| 2016 | 0353 RN SCOTT CANYON | 32,051 | 97 km |
| 2014 | PINE CREEK | 31,033 | 67 km |
| 2015 | CORNER CREEK 0297 PR | 30,303 | 65 km |
| 2001 | MONUMENT COMPLEX (MALLORY) | 29,095 | 14 km |
| 2000 | UNNAMED | 27,815 | 74 km |
| 2015 | UNNAMED | 27,736 | 100 km |
| 2024 | SERVICE | 25,270 | 48 km |
| 2014 | SNIPTION | 24,108 | 82 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 1.6 in | |
| February | 35°F (2°C) | 1.1 in | |
| March | 40°F (4°C) | 1.4 in | |
| April | 44°F (7°C) | 1.3 in | |
| May | 52°F (11°C) | 1.5 in | |
| June | 59°F (15°C) | 1.2 in | |
| July | 72°F (22°C) | 0.6 in | Warmest, Driest |
| August | 66°F (19°C) | 0.8 in | |
| September | 58°F (15°C) | 0.7 in | |
| October | 49°F (9°C) | 1.1 in | |
| November | 38°F (4°C) | 1.8 in | Wettest |
| December | 32°F (-0°C) | 1.7 in | Coldest |
Monument has a seasonal temperature swing of 41°F / from 32°F in December to 72°F in July. Total annual precipitation is 14.6 inches, with November being the wettest month (1.8") and July the driest (0.6").