Weather & Climate in Robinson Mill, CA

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

Robinson Mill enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 45°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 46.3 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 2,372 feet.

Temperature

45°F Jan (7°C) 75°F Jul (24°C)

Annual Average	58.7°F
	9% above US avg
January Average	45°F (7°C)
July Average	75°F (24°C)
Sunny Days	293 days/yr

Geography

Elevation	2,372 ft (723 m)
Area	0.5 sq mi (1.3 km²)
Population Density	59/sq mi
Coordinates	39.4856°N, 121.3202°W
Timezone	America/Los_Angeles
County	Yuba County County
Nearest Airport	Chico Regional (CIC) 38 miles away

Precipitation & Snow

Annual Rainfall 46.3"

22% above US avg

Wettest Month (Jan) 9.76"

Driest Month (Jul) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	80.9 / 100
Social Vulnerability	30.4 / 100
Community Resilience	36.6 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Low
Wildfire	Relatively Moderate
Flood	Relatively Moderate
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 Moderate
Volcano	Very Low
Avalanche	Very Low

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

Earthquake History

4,081 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.

May 24, 2013	2 km NNE of Canyondam, California	M5.7	82 km	8 km
May 11, 2023	Lake Almanor Earthquake	M5.5	82 km	6 km
Aug 10, 2001	3 km N of Blairsden, California	M5.2	70 km	5 km
May 12, 2023	4km NW of Canyondam, CA	M5.2	81 km	6 km
Apr 26, 2008	1 km NW of Mogul, Nevada	M5.1	119 km	3 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	129 km	14 km
May 24, 2013	1km NNW of Canyondam, CA	M4.9	80 km	4 km
Apr 26, 2008	0 km N of Mogul, Nevada	M4.8	120 km	3 km
Oct 30, 1998	4 km N of Tahoe Vista, California	M4.8	112 km	1 km
Jun 26, 2005	8 km NNW of Tahoe Vista, California	M4.8	107 km	-2 km
May 12, 2006	7 km W of Cobb, California	M4.7	149 km	4 km
Jan 19, 2008	31 km NW of Rancho Tehama Reserve, California	M4.7	141 km	2 km
May 7, 2021	19km NW of Truckee, CA	M4.7	86 km	10 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	143 km	1 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	144 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	149 km	2 km
Jan 19, 2008	34 km WNW of Rancho Tehama Reserve, California	M4.5	144 km	10 km
Nov 15, 1995	9 km SW of Cold Springs, Nevada	M4.5	109 km	-1 km
Mar 21, 2020	5 km NE of Indian Hills, Nevada	M4.5	143 km	8 km
Jun 8, 2024	7 km NW of The Geysers, CA	M4.5	150 km	4 km

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

Tornado History

63 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 7 injuries.

Date	Rating	Distance	Path	Fatalities
May 25, 2011	EF2	29 km	0.2 mi	0
Feb 10, 1994	EF2	22 km	0.3 mi	0
Sep 24, 1986	EF2	80 km	2.0 mi	0
Feb 7, 1978	EF2	88 km	1.9 mi	0
May 19, 1953	EF2	79 km	2.0 mi	0
Dec 19, 2023	EF1	57 km	0.4 mi	0
Dec 24, 2015	EF1	89 km	6.2 mi	0
Mar 26, 2014	EF1	72 km	0.6 mi	0
Mar 26, 2014	EF1	67 km	0.7 mi	0
Mar 26, 2014	EF1	68 km	1.0 mi	0
Oct 22, 2012	EF1	53 km	4.0 mi	0
Oct 22, 2012	EF1	54 km	2.0 mi	0
Oct 22, 2012	EF1	49 km	0.3 mi	0
May 25, 2011	EF1	76 km	26.4 mi	0
May 25, 2011	EF1	74 km	21.7 mi	0
Jan 8, 2005	EF1	22 km	0.1 mi	0
Apr 17, 1993	EF1	70 km	0.5 mi	0
Jan 7, 1993	EF1	35 km	0.1 mi	0
Dec 17, 1992	EF1	19 km	5.0 mi	0
Dec 17, 1992	EF1	22 km	1.0 mi	0

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

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Lassen Volcanic Center (113 km).

Name	Type	Elevation	Last Eruption	Distance
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	113 km
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	137 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: NORTH COMPLEX (316,556 acres, 2020).

Year	Name	Acres Burned	Distance
2020	NORTH COMPLEX	316,556	31 km
2018	CAMP	153,687	36 km
1990	CAMPBELL	128,266	75 km
2014	KING	99,070	91 km
2012	CHIPS	79,978	69 km
2022	MOSQUITO	77,858	73 km
2007	MOONLIGHT	65,718	96 km
1999	GUN 2	61,203	88 km
2019	WALKER	58,747	92 km
2008	BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)	52,091	42 km
2000	STORRIE	49,588	60 km
1994	COTTONWOOD	47,912	98 km
1994	BARKLEY	44,256	80 km
1988	49R	36,673	29 km
1999	MHRD COMPLEX (BUCKS)	34,459	44 km
2013	AMERICAN	27,938	74 km
2008	CANYON COMPLEX (SCOTCH)	26,418	29 km
2008	HUMBOLDT	23,769	39 km
2007	ANTELOPE COMPLEX (WHEELER)	23,108	96 km
2008	CUB COMPLEX (CUB)	20,772	80 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	45°F (7°C)	9.8 in	Wettest
February	46°F (8°C)	7.4 in
March	48°F (9°C)	7.1 in
April	53°F (12°C)	3.8 in
May	60°F (16°C)	1.3 in
June	68°F (20°C)	0.6 in
July	75°F (24°C)	0.1 in	Warmest, Driest
August	73°F (23°C)	0.2 in
September	68°F (20°C)	0.8 in
October	60°F (16°C)	3.1 in
November	49°F (9°C)	7.6 in
December	44°F (7°C)	8.6 in	Coldest

Robinson Mill has a seasonal temperature swing of 32°F / from 44°F in December to 75°F in July. Total annual precipitation is 50.2 inches, with January being the wettest month (9.8") and July the driest (0.1").

View full profile of Robinson Mill, CA →