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Weather & Climate in Bly, OR

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

Bly experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 32°F in January while summers reach 67°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 4,363 feet.

Temperature

32°F Jan (-0°C) 67°F Jul (19°C)
Annual Average46.6°F
14% below US avg
January Average32°F (-0°C)
July Average67°F (19°C)
Sunny Days261 days/yr

Geography

Elevation4,363 ft (1,330 m)
Area0.3 sq mi (0.8 km²)
Population Density145/sq mi
Coordinates42.3917°N, 121.0435°W
TimezoneAmerica/Los_Angeles
CountyKlamath County County
Nearest AirportCrater Lake/Klamath Regional (LMT)
39 miles away

Precipitation & Snow

Wettest Month (Nov) 2.13"
Driest Month (Jul) 0.47"

Air Quality

AQI Median32.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score77.9 / 100
Social Vulnerability58.6 / 100
Community Resilience25.7 / 100

Hazard Breakdown

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

Earthquake History

735 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 84 km 9 km
Sep 21, 1993 22 km WNW of Klamath Falls, Oregon M5.9 81 km 9 km
Dec 4, 1993 20 km WNW of Klamath Falls, Oregon M5.1 80 km 5 km
Sep 14, 2015 43 km E of Fort Bidwell, California M4.7 131 km 10 km
Jul 16, 2015 42 km E of Fort Bidwell, California M4.6 128 km 10 km
Jul 27, 2015 43 km E of Fort Bidwell, California M4.5 130 km 11 km
Jan 22, 2015 43 km E of Fort Bidwell, California M4.5 129 km 12 km
Jun 30, 2004 10 km NNE of New Pine Creek, Oregon M4.4 75 km 9 km
Jan 9, 1994 12 km WNW of Klamath Falls, Oregon M4.3 74 km 1 km
Jan 19, 1994 15 km WNW of Klamath Falls, Oregon M4.3 75 km -1 km
May 15, 2002 9 km W of Klamath Falls, Oregon M4.3 73 km 6 km
Jul 22, 2004 Oregon M4.3 74 km 0 km
Sep 21, 1993 25 km SW of Chiloquin, Oregon M4.3 83 km -2 km
Jan 29, 2015 43 km E of Fort Bidwell, California M4.2 130 km 9 km
Aug 13, 2015 44 km E of Fort Bidwell, California M4.2 130 km 10 km
Aug 29, 1997 Northern California M4.2 97 km 44 km
Jan 3, 2016 45 km E of Fort Bidwell, California M4.1 133 km 11 km
Jan 4, 2015 43 km E of Fort Bidwell, California M4.1 130 km 9 km
Dec 31, 1993 14 km WNW of Klamath Falls, Oregon M4.1 74 km -2 km
Sep 23, 1993 23 km WNW of Klamath Falls, Oregon M4.1 83 km 6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
May 19, 1962 EF1 71 km 0.5 mi 0
May 22, 1958 EF1 63 km 2.7 mi 0
May 28, 2019 EF0 50 km 0.0 mi 0
Apr 17, 2007 EF0 76 km 1.0 mi 0
Aug 21, 2005 EF0 68 km 1.0 mi 0
Apr 17, 2004 EF0 63 km 0.2 mi 0
May 30, 1995 EF0 62 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Medicine Lake (97 km).

Name Type Elevation Last Eruption Distance
Medicine Lake Shield 2,412 m (7,913 ft) 1060 97 km
Crater Lake Caldera 2,487 m (8,159 ft) -2850 107 km
Devils Garden Volcanic field 1,698 m (5,571 ft) Unknown 126 km
Cinnamon Butte Pyroclastic cone(s) 1,956 m (6,417 ft) Unknown 128 km
Shasta Stratovolcano 4,317 m (14,163 ft) 1250 145 km
Davis Lake Volcanic field 2,163 m (7,096 ft) -2790 146 km
Newberry Shield 2,434 m (7,986 ft) 690 149 km
Bachelor Stratovolcano 2,763 m (9,065 ft) -5800 184 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 30 km
2021 COUGAR PEAK 95,350 46 km
2012 BARRY POINT 91,487 51 km
2020 CALDWELL 81,870 80 km
2018 WATSON CREEK 62,162 34 km
2002 TOOL BOX COMPLEX (TOOL BOX) 56,342 71 km
2020 BRATTAIN 51,472 46 km
2017 STEELE 49,153 58 km
2002 GRIZZLY COMPLEX (WINTER) 33,987 52 km
1992 LONE PINE 28,061 44 km
2002 GRIZZLY COMPLEX (SILVER) 24,340 67 km
1999 PINE 24,124 70 km
1996 AMBROSE COMPLEX (DAMON-LONG) 24,090 95 km
1985 BIG ROCK 20,068 92 km
2021 LOG 16,018 43 km
2020 TWO FOUR TWO 14,264 76 km
2019 TUCKER 14,128 68 km
1984 COYOTE 13,557 90 km
1986 ABERT 13,042 66 km
1992 ROBINSON SPRING 10,760 16 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 32°F (-0°C) 1.9 in
February 33°F (0°C) 1.8 in
March 37°F (3°C) 2.1 in
April 42°F (5°C) 1.4 in
May 49°F (9°C) 1.3 in
June 56°F (14°C) 1.0 in
July 67°F (19°C) 0.5 in Warmest, Driest
August 63°F (17°C) 0.7 in
September 56°F (13°C) 0.8 in
October 47°F (8°C) 1.3 in
November 35°F (2°C) 2.1 in Wettest
December 29°F (-2°C) 2.1 in Coldest

Bly has a seasonal temperature swing of 38°F / from 29°F in December to 67°F in July. Total annual precipitation is 16.9 inches, with November being the wettest month (2.1") and July the driest (0.5").

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