Sign In Register

Weather & Climate in Etna, CA

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

Etna experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 38°F in January while summers reach 70°F in July. The area gets 308 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 20.8 inches (drier than the 38-inch national average). The area receives 4.4 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 2,932 feet.

Temperature

38°F Jan (3°C) 70°F Jul (21°C)
Annual Average52.4°F
3% below US avg
January Average38°F (3°C)
July Average70°F (21°C)
Sunny Days308 days/yr

Geography

Elevation2,932 ft (894 m)
Area0.8 sq mi (2.0 km²)
Population Density910/sq mi
Coordinates41.4582°N, 122.8958°W
TimezoneAmerica/Los_Angeles
CountySiskiyou County County
Nearest AirportRogue Valley International - Medford (MFR)
63 miles away

Precipitation & Snow

Annual Rainfall 20.8"
45% below US avg
Snowfall 4.4"
Wettest Month (Dec) 6.06"
Driest Month (Jul) 0.35"

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

1,255 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 21, 1993 27 km WNW of Klamath Falls, Oregon M6.0 122 km 9 km
Sep 21, 1993 22 km WNW of Klamath Falls, Oregon M5.9 120 km 9 km
Feb 13, 2012 26 km NNW of Willow Creek, California M5.6 83 km 27 km
Apr 30, 2008 3 km NNW of Burnt Ranch, California M5.4 86 km 28 km
Dec 26, 1994 7 km WNW of Fields Landing, California M5.4 143 km 23 km
Jan 1, 2023 15km SE of Rio Dell, CA M5.4 148 km 31 km
Nov 26, 1998 7km NW of Redding, CA M5.1 101 km 25 km
Dec 4, 1993 20 km WNW of Klamath Falls, Oregon M5.1 118 km 5 km
Sep 8, 2023 12 km NE of Burney, CA M5.0 125 km 16 km
Jan 18, 1990 27 km ESE of Orick, California M4.9 79 km 35 km
Jul 21, 2016 19km SSE of Blue Lake, CA M4.8 117 km 26 km
Jan 19, 2008 31 km NW of Rancho Tehama Reserve, California M4.7 143 km 2 km
Nov 26, 1998 5km NNW of Redding, CA M4.6 103 km 25 km
Jan 19, 2008 34 km WNW of Rancho Tehama Reserve, California M4.5 144 km 10 km
Jul 21, 1998 4 km NNW of Redding, California M4.5 101 km 23 km
Aug 28, 2016 8 km ESE of Mad River, California M4.5 122 km 36 km
Aug 3, 2013 18 km W of Samoa, California M4.5 145 km 20 km
May 10, 2005 10 km NW of Burney, California M4.4 111 km 17 km
Mar 9, 1992 8 km SE of Hyampom, California M4.4 106 km 33 km
Mar 22, 2018 17km W of Humboldt Hill, CA M4.4 148 km 25 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

1 tornado (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.

Date Rating Distance Path Fatalities
May 13, 1960 EF0 93 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 — 110 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Shasta (59 km).

Name Type Elevation Last Eruption Distance
Shasta Stratovolcano 4,317 m (14,163 ft) 1250 59 km
Medicine Lake Shield 2,412 m (7,913 ft) 1060 113 km
Lassen Volcanic Center Stratovolcano 3,187 m (10,456 ft) 1917 159 km
Crater Lake Caldera 2,487 m (8,159 ft) -2850 176 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CARR (233,710 acres, 2018).

Year Name Acres Burned Distance
2018 CARR 233,710 86 km
2021 MONUMENT 226,125 88 km
2021 HAYPRESS 204,549 38 km
2020 SLATER 157,784 75 km
2020 RED SALMON COMPLEX 147,535 58 km
2021 ANTELOPE 141,960 96 km
1999 MEGRAM- ORLEANS 125,337 66 km
2014 HAPPY CAMP COMPLEX 118,491 37 km
2006 PIGEON 100,962 62 km
2008 SISKIYOU-BLUE 2 COMPLEX (BLUE 2) 100,823 66 km
2021 MCCASH 95,762 39 km
2017 OAK 95,692 65 km
2023 KELLY 90,267 94 km
2015 RIVER COMPLEX 78,531 72 km
2008 PANTHER 71,448 41 km
1987 KING TITUS 71,390 46 km
2018 DELTA 63,732 62 km
2017 ISLAND 62,931 20 km
2022 MCKINNEY 60,592 40 km
1987 YELLOW 2 53,626 35 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 5.6 in
February 37°F (3°C) 4.5 in
March 39°F (4°C) 3.9 in
April 43°F (6°C) 2.3 in
May 50°F (10°C) 1.5 in
June 57°F (14°C) 0.9 in
July 70°F (21°C) 0.4 in Warmest, Driest
August 64°F (18°C) 0.7 in
September 58°F (15°C) 1.0 in
October 50°F (10°C) 2.5 in
November 40°F (4°C) 5.5 in
December 34°F (1°C) 6.1 in Coldest, Wettest

Etna has a seasonal temperature swing of 36°F / from 34°F in December to 70°F in July. Total annual precipitation is 34.8 inches, with December being the wettest month (6.1") and July the driest (0.4").

View full profile of Etna, CA →