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Weather & Climate in Chemult, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chemult has a cool climate with an average annual temperature of 42°F (5°C). Winters average 26°F in January while summers reach 61°F in July. The area gets 291 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 26.5 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 4,764 feet.
Temperature
26°F Jan (-3°C)
61°F Jul (16°C)
| Annual Average | 41.7°F |
| 23% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 4,764 ft (1,452 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 185/sq mi |
| Coordinates | 43.2151°N, 121.7850°W |
| Timezone | America/Los_Angeles |
| County | Deschutes County County |
| Nearest Airport | Crater Lake/Klamath Regional (LMT) 73 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.9 / 100 |
| Social Vulnerability | 18.7 / 100 |
| Community Resilience | 69.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Volcano | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
238 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 | 98 km | 9 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M5.9 | 102 km | 9 km |
| Dec 4, 1993 | 20 km WNW of Klamath Falls, Oregon | M5.1 | 104 km | 5 km |
| Jan 19, 1994 | 15 km WNW of Klamath Falls, Oregon | M4.3 | 104 km | -1 km |
| Sep 21, 1993 | 25 km SW of Chiloquin, Oregon | M4.3 | 95 km | -2 km |
| May 15, 2002 | 9 km W of Klamath Falls, Oregon | M4.3 | 110 km | 6 km |
| Jan 9, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.3 | 107 km | 1 km |
| Jul 4, 2015 | 16 km ENE of Springfield, Oregon | M4.1 | 129 km | 8 km |
| Sep 23, 1993 | 23 km WNW of Klamath Falls, Oregon | M4.1 | 104 km | 6 km |
| Dec 31, 1993 | 14 km WNW of Klamath Falls, Oregon | M4.1 | 104 km | -2 km |
| Dec 25, 1993 | 15 km WNW of Klamath Falls, Oregon | M4.0 | 105 km | -2 km |
| Jan 7, 1994 | 12 km WNW of Klamath Falls, Oregon | M4.0 | 106 km | 0 km |
| Nov 17, 1994 | 24 km SW of Chiloquin, Oregon | M3.9 | 94 km | -2 km |
| Sep 21, 1993 | 22 km WNW of Klamath Falls, Oregon | M3.9 | 101 km | 6 km |
| Jan 8, 1994 | 11 km WNW of Klamath Falls, Oregon | M3.8 | 107 km | 1 km |
| Sep 21, 1993 | 21 km WNW of Klamath Falls, Oregon | M3.8 | 104 km | -1 km |
| Sep 21, 1993 | 19 km WNW of Klamath Falls, Oregon | M3.8 | 107 km | 9 km |
| Apr 28, 1999 | 54 km E of Silver Lake, Oregon | M3.8 | 114 km | 22 km |
| Dec 4, 1993 | 15 km W of Klamath Falls, Oregon | M3.8 | 110 km | 4 km |
| Sep 24, 1993 | 22 km NW of Klamath Falls, Oregon | M3.7 | 95 km | -1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
3 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.
| Date | Rating | Distance | Path | Fatalities |
| May 28, 2019 | EF0 | 80 km | 0.0 mi | 0 |
| Apr 13, 2017 | EF0 | 98 km | 0.1 mi | 0 |
| Aug 21, 2005 | EF0 | 87 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Cinnamon Butte (26 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 26 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 40 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 42 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 72 km |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 82 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 85 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 102 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 119 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 130 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 162 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 179 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BOOTLEG (413,496 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | BOOTLEG | 413,496 | 85 km |
| 2022 | CEDAR CREEK MF | 136,357 | 68 km |
| 2020 | ARCHIE CREEK | 131,885 | 92 km |
| 2002 | TOOL BOX COMPLEX (TOOL BOX) | 56,342 | 76 km |
| 2021 | SMITH | 50,739 | 82 km |
| 2002 | BOULDER | 48,505 | 78 km |
| 2018 | MILES | 40,343 | 86 km |
| 2017 | HAPPY DOG | 34,241 | 65 km |
| 2002 | GRIZZLY COMPLEX (WINTER) | 33,987 | 90 km |
| 2021 | JACK FIRE | 33,747 | 70 km |
| 2017 | BLANKET CREEK | 32,767 | 62 km |
| 2021 | GALES | 31,655 | 98 km |
| 2021 | CHAOS | 29,698 | 79 km |
| 1992 | LONE PINE | 28,061 | 74 km |
| 2002 | TIMBERED ROCK | 26,809 | 91 km |
| 2002 | GRIZZLY COMPLEX (SILVER) | 24,340 | 56 km |
| 2021 | BIG HAMLIN | 21,853 | 87 km |
| 2015 | NATIONAL CREEK COMPLEX | 21,550 | 38 km |
| 2003 | DAVIS | 20,683 | 43 km |
| 2008 | RATTLE | 20,443 | 59 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 4.6 in | Coldest |
| February | 29°F (-2°C) | 3.3 in | |
| March | 33°F (0°C) | 3.0 in | |
| April | 38°F (3°C) | 1.5 in | |
| May | 45°F (7°C) | 1.2 in | |
| June | 52°F (11°C) | 1.0 in | |
| July | 61°F (16°C) | 0.6 in | Warmest, Driest |
| August | 59°F (15°C) | 0.8 in | |
| September | 53°F (12°C) | 1.0 in | |
| October | 44°F (7°C) | 1.9 in | |
| November | 33°F (1°C) | 4.6 in | |
| December | 27°F (-3°C) | 4.9 in | Wettest |
Chemult has a seasonal temperature swing of 34°F / from 26°F in January to 61°F in July. Total annual precipitation is 28.4 inches, with December being the wettest month (4.9") and July the driest (0.6").