Weather & Climate in Redwood Valley, CA

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

Redwood Valley enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 46°F in January while summers reach 75°F in July. The area gets 293 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 45.0 inches. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 785 feet.

Temperature

46°F Jan (8°C) 75°F Jul (24°C)

Annual Average	59.1°F
	9% above US avg
January Average	46°F (8°C)
July Average	75°F (24°C)
Sunny Days	293 days/yr

Geography

Elevation	785 ft (239 m)
Area	2.8 sq mi (7.1 km²)
Population Density	770/sq mi
Coordinates	39.2685°N, 123.2028°W
Timezone	America/Los_Angeles
County	Mendocino County County
Nearest Airport	Chico Regional (CIC) 79 miles away

Precipitation & Snow

Annual Rainfall 45.0"

19% above US avg

Snowfall 0.0"

Wettest Month (Jan) 9.02"

Driest Month (Jul) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	94.3 / 100
Social Vulnerability	76.8 / 100
Community Resilience	39.0 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively High
Wildfire	Relatively High
Flood	Relatively High
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Relatively Low
Winter Weather	Very Low
Lightning	Relatively Low
Drought	Relatively High
Cold Wave	No Rating
Landslide	Relatively High
Coastal Flood	Relatively Low
Tsunami	Very Low
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3,895 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.

Apr 25, 1992	The 1992 Petrolia, California Earthquake	M7.2	148 km	10 km
Aug 24, 2014	The 2014 South Napa, California Earthquake	M6.0	140 km	11 km
Aug 17, 1991	30 km SSW of Scotia, California	M6.0	143 km	8 km
Jun 23, 2019	6km SSW of Petrolia, CA	M5.6	146 km	9 km
Jan 16, 1990	30 km NW of Shelter Cove, California	M5.4	143 km	4 km
Jan 1, 2023	15km SE of Rio Dell, CA	M5.4	143 km	31 km
Mar 8, 1992	27 km NW of Shelter Cove, California	M5.3	140 km	9 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	35 km	14 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	120 km	9 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	76 km	7 km
Apr 18, 2007	15 km N of Potter Valley, California	M4.8	23 km	5 km
May 12, 2006	7 km W of Cobb, California	M4.7	60 km	4 km
Jan 19, 2008	31 km NW of Rancho Tehama Reserve, California	M4.7	110 km	2 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	61 km	1 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	61 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	61 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	61 km	2 km
Sep 25, 2012	3 km N of Talmage, California	M4.5	12 km	11 km
Aug 3, 2006	5 km W of Glen Ellen, California	M4.5	114 km	9 km
Jan 19, 2008	34 km WNW of Rancho Tehama Reserve, California	M4.5	107 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Mar 26, 2014	EF1	97 km	0.6 mi	0
May 25, 2011	EF1	98 km	21.7 mi	0
May 25, 2011	EF1	91 km	26.4 mi	0
Jan 27, 2005	EF1	73 km	0.5 mi	0
Dec 5, 1998	EF1	56 km	1.7 mi	0
Feb 22, 1996	EF1	90 km	1.0 mi	0
Apr 17, 1993	EF1	97 km	0.5 mi	0
Dec 2, 1992	EF1	87 km	3.0 mi	0
Nov 10, 1964	EF1	89 km	1.0 mi	0
Feb 17, 1959	EF1	83 km	0.5 mi	0
Feb 19, 2013	EF0	82 km	0.3 mi	0
Mar 23, 2011	EF0	90 km	1.1 mi	0
Mar 21, 2011	EF0	83 km	0.3 mi	0
Mar 8, 2010	EF0	76 km	0.3 mi	0
Jun 6, 2005	EF0	95 km	0.1 mi	0
Jul 5, 2000	EF0	90 km	0.2 mi	0
Mar 14, 1987	EF0	100 km	0.2 mi	0
Dec 11, 1983	EF0	13 km	2.0 mi	0
Feb 3, 1958	EF0	64 km	0.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Clear Lake (50 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	50 km
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	199 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: AUGUST COMPLEX (1,068,802 acres, 2020).

Year	Name	Acres Burned	Distance
2020	AUGUST COMPLEX	1,068,802	76 km
2018	RANCH	427,048	37 km
2015	ROCKY	96,125	76 km
2008	YOLLA BOLLY COMPLEX (IRON)	94,888	94 km
1996	FORK	83,209	40 km
2019	KINCADE	77,780	76 km
2015	VALLEY	77,507	74 km
2020	GLASS	68,020	98 km
2020	WALLBRIDGE	55,194	74 km
1987	MENDENHALL	54,162	34 km
2018	RIVER	48,920	29 km
2012	NORTH PASS	43,689	71 km
2004	RUMSEY	39,335	98 km
1999	SIXTEEN	37,162	92 km
2017	TUBBS	36,981	90 km
2017	REDWOOD VALLEY INCIDENT	36,545	8 km
2012	MILL	29,924	50 km
2001	TROUGH	25,270	45 km
2017	POCKET	18,691	62 km
2012	SIXTEEN COMPLEX	18,191	83 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	46°F (8°C)	9.0 in	Wettest
February	48°F (9°C)	6.9 in
March	49°F (10°C)	6.3 in
April	52°F (11°C)	2.6 in
May	58°F (14°C)	1.0 in
June	64°F (18°C)	0.2 in
July	75°F (24°C)	0.1 in	Warmest, Driest
August	69°F (21°C)	0.2 in
September	66°F (19°C)	0.8 in
October	59°F (15°C)	2.5 in
November	50°F (10°C)	6.7 in
December	45°F (7°C)	7.6 in	Coldest

Redwood Valley has a seasonal temperature swing of 30°F / from 45°F in December to 75°F in July. Total annual precipitation is 44.0 inches, with January being the wettest month (9.0") and July the driest (0.1").

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