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Weather & Climate in Klamath, CA

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

Klamath experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 47°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 269 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 78.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 337 feet.

Temperature

47°F Jan (8°C) 59°F Jul (15°C)
Annual Average52.4°F
3% below US avg
January Average47°F (8°C)
July Average59°F (15°C)
Sunny Days269 days/yr

Geography

Elevation337 ft (103 m)
Area12.4 sq mi (32.1 km²)
Population Density47/sq mi
Coordinates41.5729°N, 124.0556°W
TimezoneAmerica/Los_Angeles
CountyDel Norte County County
Nearest AirportRogue Valley International - Medford (MFR)
82 miles away

Precipitation & Snow

Annual Rainfall 78.9"
108% above US avg
Snowfall 0.0"
Wettest Month (Dec) 13.46"
Driest Month (Jul) 0.39"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score94.4 / 100
Social Vulnerability53.6 / 100
Community Resilience23.8 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Very Low
Heat Wave Very Low
Winter Weather Very Low
Lightning Very Low
Drought Relatively Low
Cold Wave No Rating
Landslide Relatively High
Coastal Flood Very Low
Tsunami Very High
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3,795 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.

Apr 25, 1992 The 1992 Petrolia, California Earthquake M7.2 138 km 10 km
Jul 13, 1991 103 km W of Pistol River, Oregon M6.9 148 km 11 km
Mar 10, 2014 77 km WNW of Indianola, California M6.8 122 km 16 km
Apr 26, 1992 32 km SW of Ferndale, California M6.6 139 km 22 km
Jan 10, 2010 The 2010 Eureka, California Earthquake M6.5 116 km 29 km
Apr 26, 1992 30 km WSW of Ferndale, California M6.5 134 km 19 km
Aug 16, 1991 136 km WSW of Brookings, Oregon M6.1 149 km 3 km
Aug 17, 1991 30 km SSW of Scotia, California M6.0 148 km 8 km
Feb 4, 2010 61 km WSW of Ferndale, California M5.9 150 km 23 km
Jan 28, 2015 40 km SW of Ferndale, California M5.7 147 km 17 km
Feb 13, 2012 26 km NNW of Willow Creek, California M5.6 53 km 27 km
Jan 22, 1997 33 km SW of Scotia, California M5.6 147 km 23 km
Jun 23, 2019 6km SSW of Petrolia, CA M5.6 146 km 9 km
Oct 4, 1997 100 km WNW of Samoa, California M5.5 122 km 7 km
Jan 13, 2001 off the coast of Northern California M5.4 135 km 2 km
Feb 26, 2007 51 km W of Ferndale, California M5.4 124 km -1 km
Nov 27, 1998 87 km W of Ferndale, California M5.4 144 km 4 km
Jan 16, 1990 30 km NW of Shelter Cove, California M5.4 149 km 4 km
Dec 26, 1994 7 km WNW of Fields Landing, California M5.4 95 km 23 km
Feb 26, 2007 52km W of Ferndale, CA M5.4 124 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

10 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Mar 29, 1958 EF2 69 km 2.0 mi 0
Dec 30, 1992 EF1 23 km 0.2 mi 0
Dec 11, 1992 EF1 23 km 0.2 mi 0
Jan 25, 2018 EF0 86 km 0.0 mi 0
Nov 9, 2002 EF0 56 km 0.5 mi 0
Jan 20, 1996 EF0 23 km 0.1 mi 0
Jan 20, 1996 EF0 43 km 0.3 mi 0
Mar 22, 1983 EF0 56 km 0.1 mi 0
May 13, 1960 EF0 5 km 0.1 mi 0
Jan 10, 1958 EF0 23 km 0.8 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

2 tsunamis 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 — 48 km
1992 CAPE MENDOCINO, N. CALIFORNIA Earthquake 1.8 m — 136 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Shasta (156 km).

Name Type Elevation Last Eruption Distance
Shasta Stratovolcano 4,317 m (14,163 ft) 1250 156 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BISCUIT COMPLEX (BISCUIT) (495,308 acres, 2002).

Year Name Acres Burned Distance
2002 BISCUIT COMPLEX (BISCUIT) 495,308 97 km
2017 CHETCO BAR 194,877 74 km
2018 KLONDIKE 178,311 95 km
2020 SLATER 157,784 59 km
2020 RED SALMON COMPLEX 147,535 74 km
1999 MEGRAM- ORLEANS 125,337 80 km
2014 HAPPY CAMP COMPLEX 118,491 73 km
2006 PIGEON 100,962 99 km
2008 SISKIYOU-BLUE 2 COMPLEX (BLUE 2) 100,823 33 km
1987 SILVER 96,698 88 km
2021 MCCASH 95,762 59 km
2017 OAK 95,692 44 km
2023 KELLY 90,267 41 km
2015 RIVER COMPLEX 78,531 93 km
2008 PANTHER 71,448 56 km
1987 KING TITUS 71,390 56 km
2017 ISLAND 62,931 79 km
1987 YELLOW 2 53,626 64 km
2008 BEAR WALLOW COMPLEX (UKONOM) 40,029 67 km
2018 NATCHEZ 38,800 54 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 47°F (8°C) 12.4 in
February 47°F (9°C) 10.2 in
March 48°F (9°C) 10.8 in
April 50°F (10°C) 5.5 in
May 54°F (12°C) 3.3 in
June 57°F (14°C) 1.3 in
July 59°F (15°C) 0.4 in Driest
August 61°F (16°C) 1.0 in Warmest
September 60°F (15°C) 2.0 in
October 55°F (13°C) 5.5 in
November 49°F (10°C) 12.7 in
December 45°F (7°C) 13.5 in Coldest, Wettest

Klamath has a seasonal temperature swing of 15°F / from 45°F in December to 61°F in August. Total annual precipitation is 78.5 inches, with December being the wettest month (13.5") and July the driest (0.4").

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