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Weather & Climate in Prospect, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Prospect has a cool climate with an average annual temperature of 38°F (3°C). Winters average 27°F in January while summers reach 55°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 66.8 inches (wetter than the 38-inch national average). The area receives 463.1 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 2,616 feet.
Temperature
27°F Jan (-3°C)
55°F Jul (13°C)
| Annual Average | 37.9°F |
| 30% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 2,616 ft (797 m) |
| Area | 1.4 sq mi (3.5 km²) |
| Population Density | 207/sq mi |
| Coordinates | 42.7547°N, 122.4711°W |
| Timezone | America/Los_Angeles |
| County | Jackson County County |
| Nearest Airport | Rogue Valley International - Medford (MFR) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.5 / 100 |
| Social Vulnerability | 40.0 / 100 |
| Community Resilience | 48.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
247 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Sep 21, 1993 | 27 km WNW of Klamath Falls, Oregon | M6.0 | 56 km | 9 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M5.9 | 61 km | 9 km |
| Dec 4, 1993 | 20 km WNW of Klamath Falls, Oregon | M5.1 | 64 km | 5 km |
| Sep 21, 1993 | 25 km SW of Chiloquin, Oregon | M4.3 | 53 km | -2 km |
| May 15, 2002 | 9 km W of Klamath Falls, Oregon | M4.3 | 75 km | 6 km |
| Jan 19, 1994 | 15 km WNW of Klamath Falls, Oregon | M4.3 | 68 km | -1 km |
| Jan 9, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.3 | 71 km | 1 km |
| Feb 26, 2009 | 37 km NW of Selma, Oregon | M4.2 | 119 km | 37 km |
| Dec 31, 1993 | 14 km WNW of Klamath Falls, Oregon | M4.1 | 68 km | -2 km |
| Sep 23, 1993 | 23 km WNW of Klamath Falls, Oregon | M4.1 | 61 km | 6 km |
| Jan 7, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.0 | 70 km | 0 km |
| Dec 25, 1993 | 15 km WNW of Klamath Falls, Oregon | M4.0 | 68 km | -2 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M3.9 | 61 km | 6 km |
| Nov 17, 1994 | 24 km SW of Chiloquin, Oregon | M3.9 | 54 km | -2 km |
| Jan 24, 2014 | 31 km SSE of Powers, Oregon | M3.8 | 122 km | 4 km |
| Sep 21, 1993 | 21 km WNW of Klamath Falls, Oregon | M3.8 | 63 km | -1 km |
| Dec 4, 1993 | 15 km W of Klamath Falls, Oregon | M3.8 | 71 km | 4 km |
| Sep 21, 1993 | 19 km WNW of Klamath Falls, Oregon | M3.8 | 66 km | 9 km |
| Jan 8, 1994 | 11 km WNW of Klamath Falls, Oregon | M3.8 | 72 km | 1 km |
| Sep 24, 1993 | 22 km NW of Klamath Falls, Oregon | M3.7 | 59 km | -1 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 |
| May 19, 1962 | EF1 | 87 km | 0.5 mi | 0 |
| May 28, 2019 | EF0 | 74 km | 0.0 mi | 0 |
| Jun 18, 2013 | EF0 | 97 km | 0.1 mi | 0 |
| Apr 17, 2007 | EF0 | 84 km | 1.0 mi | 0 |
| Apr 17, 2004 | EF0 | 91 km | 0.2 mi | 0 |
| May 30, 1995 | EF0 | 82 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Crater Lake (35 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 35 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 62 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 105 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 147 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 148 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 150 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 151 km |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 155 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 164 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 178 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ARCHIE CREEK (131,885 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | ARCHIE CREEK | 131,885 | 76 km |
| 2018 | TAYLOR CREEK | 57,505 | 99 km |
| 2021 | SMITH | 50,739 | 45 km |
| 2002 | BOULDER | 48,505 | 45 km |
| 2018 | MILES | 40,343 | 20 km |
| 2018 | KLAMATHON | 38,188 | 90 km |
| 2014 | BEAVER COMPLEX | 35,204 | 83 km |
| 2017 | HAPPY DOG | 34,241 | 61 km |
| 2021 | JACK FIRE | 33,747 | 54 km |
| 2020 | S OBENCHAIN | 32,875 | 30 km |
| 2017 | BLANKET CREEK | 32,767 | 19 km |
| 2021 | CHAOS | 29,698 | 87 km |
| 1992 | LONE PINE | 28,061 | 80 km |
| 2015 | STOUTS CREEK | 27,570 | 44 km |
| 2002 | TIMBERED ROCK | 26,809 | 21 km |
| 2013 | DADS | 25,216 | 86 km |
| 2013 | NORTH RABBIT | 25,085 | 92 km |
| 2021 | BIG HAMLIN | 21,853 | 31 km |
| 2015 | NATIONAL CREEK COMPLEX | 21,550 | 41 km |
| 2022 | RUM CREEK | 21,492 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 6.1 in | Coldest |
| February | 38°F (3°C) | 4.6 in | |
| March | 41°F (5°C) | 4.5 in | |
| April | 45°F (7°C) | 3.0 in | |
| May | 51°F (11°C) | 2.3 in | |
| June | 58°F (15°C) | 1.2 in | |
| July | 55°F (13°C) | 0.6 in | Driest |
| August | 64°F (18°C) | 0.9 in | Warmest |
| September | 58°F (15°C) | 1.3 in | |
| October | 50°F (10°C) | 2.9 in | |
| November | 39°F (4°C) | 6.5 in | |
| December | 34°F (1°C) | 6.8 in | Wettest |
Prospect has a seasonal temperature swing of 38°F / from 27°F in January to 64°F in August. Total annual precipitation is 40.6 inches, with December being the wettest month (6.8") and July the driest (0.6").