Weather & Climate in Rackerby, CA

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

Rackerby 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 1,182 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	1,182 ft (360 m)
Area	1.1 sq mi (3.0 km²)
Population Density	36/sq mi
Coordinates	39.4261°N, 121.3542°W
Timezone	America/Los_Angeles
County	Yuba County County
Nearest Airport	Chico Regional (CIC) 39 miles away

Precipitation & Snow

Annual Rainfall 46.3"

22% above US avg

Wettest Month (Jan) 7.09"

Driest Month (Jul) 0.04"

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

4,243 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	89 km	8 km
May 11, 2023	Lake Almanor Earthquake	M5.5	89 km	6 km
Aug 10, 2001	3 km N of Blairsden, California	M5.2	76 km	5 km
May 12, 2023	4km NW of Canyondam, CA	M5.2	88 km	6 km
Apr 26, 2008	1 km NW of Mogul, Nevada	M5.1	122 km	3 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	125 km	14 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	148 km	9 km
May 24, 2013	1km NNW of Canyondam, CA	M4.9	87 km	4 km
Apr 26, 2008	0 km N of Mogul, Nevada	M4.8	123 km	3 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	146 km	7 km
Oct 30, 1998	4 km N of Tahoe Vista, California	M4.8	114 km	1 km
Jun 26, 2005	8 km NNW of Tahoe Vista, California	M4.8	109 km	-2 km
May 12, 2006	7 km W of Cobb, California	M4.7	143 km	4 km
Jan 19, 2008	31 km NW of Rancho Tehama Reserve, California	M4.7	142 km	2 km
May 7, 2021	19km NW of Truckee, CA	M4.7	89 km	10 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	137 km	1 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	138 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	143 km	2 km
Nov 15, 1995	9 km SW of Cold Springs, Nevada	M4.5	113 km	-1 km
Jan 19, 2008	34 km WNW of Rancho Tehama Reserve, California	M4.5	146 km	10 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
May 25, 2011	EF2	30 km	0.2 mi	0
Feb 10, 1994	EF2	21 km	0.3 mi	0
Sep 24, 1986	EF2	82 km	2.0 mi	0
Feb 7, 1978	EF2	81 km	1.9 mi	0
May 19, 1953	EF2	79 km	2.0 mi	0
Dec 19, 2023	EF1	59 km	0.4 mi	0
Dec 24, 2015	EF1	83 km	6.2 mi	0
Mar 26, 2014	EF1	66 km	0.7 mi	0
Mar 26, 2014	EF1	66 km	1.0 mi	0
Mar 26, 2014	EF1	70 km	0.6 mi	0
Oct 22, 2012	EF1	41 km	0.3 mi	0
Oct 22, 2012	EF1	48 km	4.0 mi	0
Oct 22, 2012	EF1	47 km	2.0 mi	0
May 25, 2011	EF1	73 km	26.4 mi	0
May 25, 2011	EF1	73 km	21.7 mi	0
Jan 8, 2005	EF1	19 km	0.1 mi	0
Apr 17, 1993	EF1	68 km	0.5 mi	0
Jan 7, 1993	EF1	31 km	0.1 mi	0
Dec 17, 1992	EF1	21 km	1.0 mi	0
Dec 17, 1992	EF1	12 km	5.0 mi	0

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

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Lassen Volcanic Center (119 km).

Name	Type	Elevation	Last Eruption	Distance
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	119 km
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	132 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	39 km
2018	CAMP	153,687	40 km
1990	CAMPBELL	128,266	79 km
2014	KING	99,070	89 km
2012	CHIPS	79,978	76 km
2022	MOSQUITO	77,858	71 km
1999	GUN 2	61,203	92 km
2019	WALKER	58,747	99 km
2008	BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)	52,091	48 km
2000	STORRIE	49,588	67 km
1994	BARKLEY	44,256	85 km
1988	49R	36,673	24 km
1999	MHRD COMPLEX (BUCKS)	34,459	51 km
2013	AMERICAN	27,938	73 km
2008	CANYON COMPLEX (SCOTCH)	26,418	36 km
2008	HUMBOLDT	23,769	42 km
2008	CUB COMPLEX (CUB)	20,772	86 km
2008	AMERICAN RIVER COMPLEX (GOVERNMENT)	20,709	70 km
2012	SIXTEEN COMPLEX	18,191	94 km
2001	STAR	16,846	83 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	45°F (7°C)	7.1 in	Coldest, Wettest
February	50°F (10°C)	5.7 in
March	53°F (11°C)	5.6 in
April	57°F (14°C)	2.6 in
May	65°F (18°C)	0.9 in
June	73°F (23°C)	0.4 in
July	75°F (24°C)	0.0 in	Driest
August	77°F (25°C)	0.2 in	Warmest
September	73°F (23°C)	0.6 in
October	64°F (18°C)	2.3 in
November	52°F (11°C)	5.7 in
December	46°F (8°C)	5.9 in

Rackerby has a seasonal temperature swing of 32°F / from 45°F in January to 77°F in August. Total annual precipitation is 37.0 inches, with January being the wettest month (7.1") and July the driest (0.0").

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