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Weather & Climate in East Quincy, CA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
East 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 4,244 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 | 4,244 ft (1,294 m) |
| Area | 12.1 sq mi (31.4 km²) |
| Population Density | 182/sq mi |
| Coordinates | 39.9164°N, 120.9189°W |
| Timezone | America/Los_Angeles |
| County | Plumas County County |
| Nearest Airport | Chico Regional (CIC) 53 miles away |
Precipitation & Snow
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
1,779 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 | 33 km | 8 km |
| May 11, 2023 | Lake Almanor Earthquake | M5.5 | 36 km | 6 km |
| Aug 10, 2001 | 3 km N of Blairsden, California | M5.2 | 28 km | 5 km |
| May 12, 2023 | 4km NW of Canyondam, CA | M5.2 | 35 km | 6 km |
| Nov 26, 1998 | 7km NW of Redding, CA | M5.1 | 149 km | 25 km |
| Apr 26, 2008 | 1 km NW of Mogul, Nevada | M5.1 | 95 km | 3 km |
| Sep 8, 2023 | 12 km NE of Burney, CA | M5.0 | 127 km | 16 km |
| May 24, 2013 | 1km NNW of Canyondam, CA | M4.9 | 32 km | 4 km |
| Oct 30, 1998 | 4 km N of Tahoe Vista, California | M4.8 | 103 km | 1 km |
| Apr 26, 2008 | 0 km N of Mogul, Nevada | M4.8 | 96 km | 3 km |
| Feb 10, 1993 | 28 km SW of Empire, Nevada | M4.8 | 125 km | 5 km |
| Jun 26, 2005 | 8 km NNW of Tahoe Vista, California | M4.8 | 98 km | -2 km |
| May 7, 2021 | 19km NW of Truckee, CA | M4.7 | 72 km | 10 km |
| Nov 26, 1998 | 5km NNW of Redding, CA | M4.6 | 148 km | 25 km |
| Mar 21, 2020 | 5 km NE of Indian Hills, Nevada | M4.5 | 135 km | 8 km |
| Jul 21, 1998 | 4 km NNW of Redding, California | M4.5 | 149 km | 23 km |
| Nov 15, 1995 | 9 km SW of Cold Springs, Nevada | M4.5 | 80 km | -1 km |
| Aug 4, 2016 | 5 km WNW of Patton Village, California | M4.5 | 66 km | 7 km |
| May 10, 2005 | 10 km NW of Burney, California | M4.4 | 135 km | 17 km |
| Apr 5, 2024 | 6 km NW of Belden, CA | M4.4 | 35 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
30 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 7 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 25, 2011 | EF2 | 70 km | 0.2 mi | 0 |
| Feb 10, 1994 | EF2 | 71 km | 0.3 mi | 0 |
| Sep 24, 1986 | EF2 | 97 km | 2.0 mi | 0 |
| Dec 19, 2023 | EF1 | 79 km | 0.4 mi | 0 |
| Aug 15, 2020 | EF1 | 71 km | 0.1 mi | 0 |
| Aug 14, 2020 | EF1 | 71 km | 0.4 mi | 0 |
| Oct 22, 2012 | EF1 | 98 km | 4.0 mi | 0 |
| Jan 8, 2005 | EF1 | 76 km | 0.1 mi | 0 |
| Jan 7, 1993 | EF1 | 88 km | 0.1 mi | 0 |
| Dec 17, 1992 | EF1 | 71 km | 1.0 mi | 0 |
| Dec 17, 1992 | EF1 | 77 km | 5.0 mi | 0 |
| Mar 23, 1978 | EF1 | 62 km | 0.1 mi | 0 |
| Mar 4, 1978 | EF1 | 86 km | 1.5 mi | 0 |
| Jun 28, 1970 | EF1 | 98 km | 2.3 mi | 0 |
| Jan 4, 2021 | EF0 | 94 km | 2.7 mi | 0 |
| Nov 18, 2020 | EF0 | 62 km | 0.5 mi | 0 |
| Jul 20, 2015 | EF0 | 77 km | 3.2 mi | 0 |
| Mar 29, 2014 | EF0 | 90 km | 0.0 mi | 0 |
| Mar 25, 2014 | EF0 | 68 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 (81 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lassen Volcanic Center | Stratovolcano | 3,187 m (10,456 ft) | 1917 | 81 km |
| Soda Lakes | Maar(s) | 1,251 m (4,104 ft) | Unknown | 180 km |
| Clear Lake | Volcanic field | 1,439 m (4,721 ft) | Unknown | 191 km |
| Medicine Lake | Shield | 2,412 m (7,913 ft) | 1060 | 196 km |
| Shasta | Stratovolcano | 4,317 m (14,163 ft) | 1250 | 198 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 | 45 km |
| 2020 | NORTH COMPLEX | 316,556 | 28 km |
| 2018 | CAMP | 153,687 | 58 km |
| 1990 | CAMPBELL | 128,266 | 78 km |
| 2021 | SUGAR | 108,368 | 63 km |
| 2017 | LONG VALLEY | 80,456 | 86 km |
| 2012 | CHIPS | 79,978 | 31 km |
| 2022 | MOSQUITO | 77,858 | 99 km |
| 2007 | MOONLIGHT | 65,718 | 37 km |
| 1999 | GUN 2 | 61,203 | 81 km |
| 2019 | WALKER | 58,747 | 34 km |
| 2008 | BTU LIGHTNING COMPLEX (LONG BRANCH-JACK) | 52,091 | 45 km |
| 2000 | STORRIE | 49,588 | 34 km |
| 1994 | COTTONWOOD | 47,912 | 71 km |
| 1999 | FISH COMPLEX (FISH SPRINGS) | 47,030 | 93 km |
| 2020 | LOYALTON | 45,484 | 73 km |
| 1994 | BARKLEY | 44,256 | 75 km |
| 1987 | CLARK | 39,194 | 57 km |
| 1988 | 49R | 36,673 | 79 km |
| 1999 | MHRD COMPLEX (BUCKS) | 34,459 | 34 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 |
East 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").