Weather & Climate in Quincy, CA

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

Quincy experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 35°F in January while summers reach 68°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 41.7 inches. The area receives 28.4 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 3,870 feet.

Temperature

35°F Jan (1°C) 68°F Jul (20°C)

Annual Average	50.0°F
	7% below US avg
January Average	35°F (1°C)
July Average	68°F (20°C)
Sunny Days	293 days/yr

Geography

Elevation	3,870 ft (1,180 m)
Area	4.2 sq mi (10.9 km²)
Population Density	374/sq mi
Coordinates	39.9310°N, 120.9549°W
Timezone	America/Los_Angeles
County	Plumas County County
Nearest Airport	Chico Regional (CIC) 51 miles away

Precipitation & Snow

Annual Rainfall 41.7"

10% above US avg

Snowfall 28.4"

Wettest Month (Jan) 7.52"

Driest Month (Jul) 0.24"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	86.4 / 100
Social Vulnerability	91.4 / 100
Community Resilience	69.7 / 100

Hazard Breakdown

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

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

Earthquake History

1,803 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	30 km	8 km
May 11, 2023	Lake Almanor Earthquake	M5.5	33 km	6 km
Aug 10, 2001	3 km N of Blairsden, California	M5.2	32 km	5 km
May 12, 2023	4km NW of Canyondam, CA	M5.2	32 km	6 km
Apr 26, 2008	1 km NW of Mogul, Nevada	M5.1	98 km	3 km
Nov 26, 1998	7km NW of Redding, CA	M5.1	146 km	25 km
Sep 8, 2023	12 km NE of Burney, CA	M5.0	125 km	16 km
May 24, 2013	1km NNW of Canyondam, CA	M4.9	30 km	4 km
Apr 26, 2008	0 km N of Mogul, Nevada	M4.8	99 km	3 km
Oct 30, 1998	4 km N of Tahoe Vista, California	M4.8	106 km	1 km
Feb 10, 1993	28 km SW of Empire, Nevada	M4.8	127 km	5 km
Jun 26, 2005	8 km NNW of Tahoe Vista, California	M4.8	102 km	-2 km
May 7, 2021	19km NW of Truckee, CA	M4.7	76 km	10 km
Nov 26, 1998	5km NNW of Redding, CA	M4.6	144 km	25 km
Mar 21, 2020	5 km NE of Indian Hills, Nevada	M4.5	139 km	8 km
Nov 15, 1995	9 km SW of Cold Springs, Nevada	M4.5	84 km	-1 km
Jul 21, 1998	4 km NNW of Redding, California	M4.5	146 km	23 km
Aug 4, 2016	5 km WNW of Patton Village, California	M4.5	68 km	7 km
May 10, 2005	10 km NW of Burney, California	M4.4	132 km	17 km
Apr 5, 2024	6 km NW of Belden, CA	M4.4	32 km	8 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
May 25, 2011	EF2	68 km	0.2 mi	0
Feb 10, 1994	EF2	70 km	0.3 mi	0
Sep 24, 1986	EF2	93 km	2.0 mi	0
Dec 19, 2023	EF1	77 km	0.4 mi	0
Aug 15, 2020	EF1	74 km	0.1 mi	0
Aug 14, 2020	EF1	74 km	0.4 mi	0
Oct 22, 2012	EF1	99 km	4.0 mi	0
Jan 8, 2005	EF1	75 km	0.1 mi	0
Jan 7, 1993	EF1	87 km	0.1 mi	0
Dec 17, 1992	EF1	77 km	5.0 mi	0
Dec 17, 1992	EF1	70 km	1.0 mi	0
Mar 23, 1978	EF1	60 km	0.1 mi	0
Mar 4, 1978	EF1	83 km	1.5 mi	0
Jun 28, 1970	EF1	97 km	2.3 mi	0
Jan 4, 2021	EF0	91 km	2.7 mi	0
Nov 18, 2020	EF0	60 km	0.5 mi	0
Jul 20, 2015	EF0	80 km	3.2 mi	0
Mar 29, 2014	EF0	88 km	0.0 mi	0
Mar 25, 2014	EF0	66 km	0.3 mi	0
Oct 22, 2012	EF0	89 km	0.4 mi	0

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

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Lassen Volcanic Center (78 km).

Name	Type	Elevation	Last Eruption	Distance
Lassen Volcanic Center	Stratovolcano	3,187 m (10,456 ft)	1917	78 km
Soda Lakes	Maar(s)	1,251 m (4,104 ft)	Unknown	184 km
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	189 km
Medicine Lake	Shield	2,412 m (7,913 ft)	1060	194 km
Shasta	Stratovolcano	4,317 m (14,163 ft)	1250	195 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: DIXIE (979,795 acres, 2021).

Year	Name	Acres Burned	Distance
2021	DIXIE	979,795	44 km
2020	NORTH COMPLEX	316,556	27 km
2018	CAMP	153,687	56 km
1990	CAMPBELL	128,266	75 km
2021	SUGAR	108,368	66 km
2017	LONG VALLEY	80,456	89 km
2012	CHIPS	79,978	28 km
2007	MOONLIGHT	65,718	37 km
1999	GUN 2	61,203	77 km
2019	WALKER	58,747	36 km
2008	BTU LIGHTNING COMPLEX (LONG BRANCH-JACK)	52,091	43 km
2000	STORRIE	49,588	30 km
1994	COTTONWOOD	47,912	75 km
1999	FISH COMPLEX (FISH SPRINGS)	47,030	96 km
2020	LOYALTON	45,484	76 km
1994	BARKLEY	44,256	71 km
1987	CLARK	39,194	59 km
1988	49R	36,673	79 km
1999	MHRD COMPLEX (BUCKS)	34,459	31 km
2020	NORTH	34,120	83 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	35°F (1°C)	7.5 in	Coldest, Wettest
February	37°F (3°C)	6.1 in
March	40°F (4°C)	5.7 in
April	44°F (7°C)	2.7 in
May	52°F (11°C)	1.5 in
June	59°F (15°C)	0.8 in
July	68°F (20°C)	0.2 in	Warmest, Driest
August	66°F (19°C)	0.4 in
September	60°F (15°C)	0.9 in
October	51°F (11°C)	2.7 in
November	41°F (5°C)	5.8 in
December	35°F (1°C)	6.3 in

Quincy has a seasonal temperature swing of 34°F / from 35°F in January to 68°F in July. Total annual precipitation is 40.6 inches, with January being the wettest month (7.5") and July the driest (0.2").

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