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Weather & Climate in Hornbrook, CA

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

Hornbrook experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 37°F in January while summers reach 74°F in July. The area gets 316 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 18.9 inches (drier than the 38-inch national average). The area receives 11.6 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 2,181 feet.

Temperature

37°F Jan (3°C) 74°F Jul (23°C)
Annual Average53.5°F
1% below US avg
January Average37°F (3°C)
July Average74°F (23°C)
Sunny Days316 days/yr

Geography

Elevation2,181 ft (665 m)
Area1.2 sq mi (3.1 km²)
Population Density291/sq mi
Coordinates41.9045°N, 122.5583°W
TimezoneAmerica/Los_Angeles
CountySiskiyou County County
Nearest AirportRogue Valley International - Medford (MFR)
36 miles away

Precipitation & Snow

Annual Rainfall 18.9"
50% below US avg
Snowfall 11.6"
Wettest Month (Dec) 3.98"
Driest Month (Jul) 0.39"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score89.0 / 100
Social Vulnerability79.4 / 100
Community Resilience44.8 / 100

Hazard Breakdown

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

Earthquake History

680 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 65 km 9 km
Sep 21, 1993 22 km WNW of Klamath Falls, Oregon M5.9 63 km 9 km
Feb 13, 2012 26 km NNW of Willow Creek, California M5.6 133 km 27 km
Apr 30, 2008 3 km NNW of Burnt Ranch, California M5.4 142 km 28 km
Nov 26, 1998 7km NW of Redding, CA M5.1 143 km 25 km
Dec 4, 1993 20 km WNW of Klamath Falls, Oregon M5.1 63 km 5 km
Sep 8, 2023 12 km NE of Burney, CA M5.0 135 km 16 km
Jan 18, 1990 27 km ESE of Orick, California M4.9 129 km 35 km
Nov 26, 1998 5km NNW of Redding, CA M4.6 144 km 25 km
Jul 21, 1998 4 km NNW of Redding, California M4.5 143 km 23 km
May 10, 2005 10 km NW of Burney, California M4.4 126 km 17 km
Dec 20, 2000 12 km NNW of Burney, California M4.4 125 km 17 km
Jun 14, 1991 8 km SW of Hat Creek, California M4.4 148 km 11 km
Sep 8, 2023 12 km NE of Burney, CA M4.3 133 km 12 km
Jan 23, 2024 16 km WSW of Klamath, CA M4.3 144 km 36 km
Dec 20, 2000 11 km NNW of Burney, California M4.3 125 km 18 km
Jan 19, 1994 15 km WNW of Klamath Falls, Oregon M4.3 66 km -1 km
May 15, 2002 9 km W of Klamath Falls, Oregon M4.3 65 km 6 km
Jan 9, 1994 12 km WNW of Klamath Falls, Oregon M4.3 66 km 1 km
Sep 21, 1993 25 km SW of Chiloquin, Oregon M4.3 68 km -2 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
May 19, 1962 EF1 65 km 0.5 mi 0
May 22, 1958 EF1 90 km 2.7 mi 0
Apr 17, 2007 EF0 61 km 1.0 mi 0
Apr 17, 2004 EF0 74 km 0.2 mi 0
May 30, 1995 EF0 75 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.1 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1873 N. CALIFORNIA Eruption + Earthquake 3.1 m — 120 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Shasta (63 km).

Name Type Elevation Last Eruption Distance
Shasta Stratovolcano 4,317 m (14,163 ft) 1250 63 km
Medicine Lake Shield 2,412 m (7,913 ft) 1060 90 km
Crater Lake Caldera 2,487 m (8,159 ft) -2850 120 km
Cinnamon Butte Pyroclastic cone(s) 1,956 m (6,417 ft) Unknown 153 km
Lassen Volcanic Center Stratovolcano 3,187 m (10,456 ft) 1917 180 km
Davis Lake Volcanic field 2,163 m (7,096 ft) -2790 195 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HAYPRESS (204,549 acres, 2021).

Year Name Acres Burned Distance
2021 HAYPRESS 204,549 94 km
2020 SLATER 157,784 81 km
2021 ANTELOPE 141,960 72 km
2014 HAPPY CAMP COMPLEX 118,491 57 km
2008 SISKIYOU-BLUE 2 COMPLEX (BLUE 2) 100,823 97 km
2021 MCCASH 95,762 76 km
2017 OAK 95,692 86 km
2020 CALDWELL 81,870 93 km
2008 PANTHER 71,448 79 km
1987 KING TITUS 71,390 75 km
2017 ISLAND 62,931 72 km
2022 MCKINNEY 60,592 25 km
1987 YELLOW 2 53,626 83 km
2008 BEAR WALLOW COMPLEX (UKONOM) 40,029 88 km
2018 NATCHEZ 38,800 83 km
2018 KLAMATHON 38,188 5 km
1987 FORT COPPER 36,333 55 km
2014 BEAVER COMPLEX 35,204 29 km
2014 WHITES 34,506 76 km
2014 KNF BEAVER 34,274 26 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 3.6 in
February 39°F (4°C) 2.7 in
March 42°F (6°C) 2.5 in
April 46°F (8°C) 1.5 in
May 53°F (12°C) 1.3 in
June 61°F (16°C) 0.9 in
July 74°F (23°C) 0.4 in Warmest, Driest
August 68°F (20°C) 0.6 in
September 62°F (17°C) 0.8 in
October 53°F (11°C) 1.6 in
November 41°F (5°C) 3.7 in
December 35°F (1°C) 4.0 in Coldest, Wettest

Hornbrook has a seasonal temperature swing of 40°F / from 35°F in December to 74°F in July. Total annual precipitation is 23.5 inches, with December being the wettest month (4.0") and July the driest (0.4").

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