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Weather & Climate in Pronghorn, OR

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

Pronghorn experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 33°F in January while summers reach 66°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 9.1 inches (drier than the 38-inch national average). The area receives 11.2 inches of snow annually. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,200 feet.

Temperature

33°F Jan (1°C) 66°F Jul (19°C)
Annual Average47.4°F
12% below US avg
January Average33°F (1°C)
July Average66°F (19°C)
Sunny Days293 days/yr

Geography

Elevation3,200 ft (975 m)
Area2.6 sq mi (6.6 km²)
Population Density27/sq mi
Coordinates44.1881°N, 121.1817°W
TimezoneAmerica/Los_Angeles
CountyJefferson County County
Nearest AirportColumbia Gorge Regional/The Dalles Municipal (DLS)
99 miles away

Precipitation & Snow

Annual Rainfall 9.1"
76% below US avg
Snowfall 11.2"
Wettest Month (Dec) 1.69"
Driest Month (Sep) 0.47"

Air Quality

AQI Median32.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score29.9 / 100
Social Vulnerability28.7 / 100
Community Resilience31.1 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively 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 Relatively Low
Landslide Very Low
Volcano Relatively Low
Avalanche Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

153 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.

Mar 25, 1993 4 km E of Scotts Mills, Oregon M5.6 147 km 20 km
Jun 29, 2002 6 km ENE of Government Camp, Oregon M4.5 134 km 5 km
Jul 14, 2008 11 km ESE of Maupin, Oregon M4.2 106 km 16 km
Jul 4, 2015 16 km ENE of Springfield, Oregon M4.1 132 km 8 km
Jan 30, 2000 6 km SE of Condon, Oregon M4.1 140 km -1 km
Jun 6, 2021 6 km NE of Government Camp, Oregon M3.9 135 km 4 km
Mar 22, 1997 10 km ESE of Condon, Oregon M3.9 143 km 0 km
Apr 28, 1999 54 km E of Silver Lake, Oregon M3.8 130 km 22 km
Jun 29, 2002 7 km NE of Government Camp, Oregon M3.8 134 km 5 km
Jun 14, 2007 12 km ESE of Maupin, Oregon M3.8 106 km 18 km
Jun 8, 1993 5 km ESE of Scotts Mills, Oregon M3.7 146 km 19 km
Apr 20, 2009 10 km ESE of Maupin, Oregon M3.6 107 km 15 km
Feb 1, 2000 7 km SE of Condon, Oregon M3.6 140 km -1 km
Apr 5, 2008 12 km ESE of Maupin, Oregon M3.6 106 km 18 km
Mar 1, 2007 Washington-Oregon border region M3.6 106 km 23 km
Jan 2, 2010 10 km ESE of Maupin, Oregon M3.6 107 km 14 km
Aug 2, 1996 4 km S of Scotts Mills, Oregon M3.5 148 km 29 km
Oct 19, 1990 6 km NE of Government Camp, Oregon M3.5 134 km 5 km
Aug 31, 1999 Washington-Oregon border region M3.5 141 km 3 km
Jun 1, 2008 11 km ESE of Maupin, Oregon M3.4 107 km 16 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
Aug 22, 1989 EF1 13 km 1.0 mi 0
Apr 13, 2017 EF0 21 km 0.1 mi 0
Jun 9, 2004 EF0 49 km 0.5 mi 0
Sep 25, 2001 EF0 87 km 2.0 mi 0
May 23, 2001 EF0 52 km 1.0 mi 0
Sep 3, 1997 EF0 13 km 1.0 mi 0
Jul 16, 1993 EF0 59 km 0.5 mi 0
Jun 22, 1983 EF0 15 km 0.1 mi 0
May 11, 1970 EF0 78 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

11 volcanoes within 200 km. Closest: Bachelor (47 km).

Name Type Elevation Last Eruption Distance
Bachelor Stratovolcano 2,763 m (9,065 ft) -5800 47 km
Three Sisters Complex 3,159 m (10,364 ft) 440 47 km
Newberry Shield 2,434 m (7,986 ft) 690 52 km
Belknap Shield(s) 2,095 m (6,873 ft) 480 54 km
Sand Mountain Field Pyroclastic cone(s) 1,664 m (5,459 ft) -950 63 km
Jefferson Stratovolcano 3,199 m (10,495 ft) 950 73 km
Devils Garden Volcanic field 1,698 m (5,571 ft) Unknown 80 km
Davis Lake Volcanic field 2,163 m (7,096 ft) -2790 86 km
Cinnamon Butte Pyroclastic cone(s) 1,956 m (6,417 ft) Unknown 129 km
Hood Stratovolcano 3,426 m (11,240 ft) 1866 138 km
Crater Lake Caldera 2,487 m (8,159 ft) -2850 159 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: LIONSHEAD (197,732 acres, 2020).

Year Name Acres Burned Distance
2020 LIONSHEAD 197,732 84 km
2022 CEDAR CREEK MF 136,357 89 km
1996 SIMNASHO 118,466 77 km
2018 BOXCAR 0410 RN 99,874 94 km
2003 BB COMPLEX (BOOTH) 91,281 59 km
2017 NENA SPRINGS 70,074 87 km
2015 COUNTY LINE 2 68,189 74 km
2011 0655 RAZOR BACK EAST 65,350 88 km
2013 SUNNYSIDE TURNOFF 50,028 77 km
2018 JENNIES PEAK 1039 RN 47,664 99 km
2011 HIGH CASCADES 44,498 67 km
2014 SHANIKO BUTTE 39,852 93 km
1994 LECLAIRE 32,087 71 km
2014 PINE CREEK 31,033 100 km
2010 WHITE LIGHTNING COMPLEX (YOUTHER) 30,322 95 km
2024 WILEY FLAT 30,255 72 km
2012 POLE CREEK 26,982 39 km
2017 MR SEPARATION 25,137 56 km
2023 LOOKOUT 25,103 76 km
2017 MILLI 0843 CS 24,074 41 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (1°C) 1.7 in
February 36°F (2°C) 1.1 in
March 40°F (4°C) 0.9 in
April 45°F (7°C) 0.6 in
May 52°F (11°C) 0.7 in
June 59°F (15°C) 0.7 in
July 66°F (19°C) 0.5 in Warmest
August 65°F (18°C) 0.6 in
September 58°F (14°C) 0.5 in Driest
October 48°F (9°C) 0.8 in
November 38°F (3°C) 1.6 in
December 32°F (-0°C) 1.7 in Coldest, Wettest

Pronghorn has a seasonal temperature swing of 34°F / from 32°F in December to 66°F in July. Total annual precipitation is 11.2 inches, with December being the wettest month (1.7") and September the driest (0.5").

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