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Trowbridge, CA

Full City Profile · California · Yolo County County

2.8 /5.0
C+ Fair
243 Population 36/sq mi density
$107,083 Median Income $43,830 per capita
$580,400 Home Value $618,817 Zillow
61°F Avg Temperature 330 sunny days/yr
114 Violent Crime/100K 1,420 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$107,083 median income, 6.8% unemployment
B+
Affordability
3.6 / 5.0
$580,400 home value, /mo rent
F
Safety
1.0 / 5.0
114 violent crimes/100K
C
Education
2.4 / 5.0
17.6% bachelor's degree or higher
Trowbridge enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 47°F in January while summers reach 76°F in July. The area gets 330 sunny days per year. Annual precipitation totals 18.0 inches. Air quality is rated Good with a median AQI of 48.

Temperature

47°F Jan (8°C) 76°F Jul (25°C)
Annual Average61.2°F
13% above US avg
January Average47°F (8°C)
July Average76°F (25°C)
Sunny Days330 days/yr

Geography

Elevation53 ft (16 m)
Area6.8 sq mi (17.6 km²)
Population Density36/sq mi
Coordinates38.9264°N, 121.5148°W
TimezoneAmerica/Los_Angeles
CountyYolo County County
Nearest AirportSacramento International (SMF)
16 miles away

Precipitation & Snow

Annual Rainfall 18.0"
53% below US avg
Wettest Month (Jan) 3.74"
Driest Month (Jul) 0.08"

Air Quality

AQI Median48.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0410 ppm
NO₂ (Nitrogen Dioxide)5.7 ppb
PM2.5 (Fine Particles)7.8 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score91.4 / 100
Social Vulnerability24.2 / 100
Community Resilience69.4 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively Low
Flood Relatively Moderate
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Relatively Low
Drought Very High
Cold Wave No Rating
Landslide Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

4,627 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M2.7 on Aug 27, 2025.

Aug 24, 2014 The 2014 South Napa, California Earthquake M6.0 105 km
May 24, 2013 2 km NNE of Canyondam, California M5.7 146 km
May 11, 2023 Lake Almanor Earthquake M5.5 146 km
Aug 10, 2001 3 km N of Blairsden, California M5.2 125 km
May 12, 2023 4km NW of Canyondam, CA M5.2 146 km
Aug 10, 2016 20 km NNE of Upper Lake, California M5.1 120 km
Sep 3, 2000 5 km WSW of Yountville, California M4.9 99 km
May 24, 2013 1km NNW of Canyondam, CA M4.9 144 km
Sep 4, 1995 13 km SW of Middletown, California M4.8 110 km
Oct 30, 1998 4 km N of Tahoe Vista, California M4.8 133 km
Apr 18, 2007 15 km N of Potter Valley, California M4.8 150 km
Jun 26, 2005 8 km NNW of Tahoe Vista, California M4.8 130 km
May 12, 2006 7 km W of Cobb, California M4.7 113 km
May 7, 2021 19km NW of Truckee, CA M4.7 119 km
Jan 2, 2025 4 km NW of Cobb, CA M4.7 108 km
Jan 11, 2000 6 km N of Geyserville, California M4.6 122 km
Feb 18, 2004 4 km WNW of Cobb, California M4.6 109 km
Jan 12, 2014 8 km W of Cobb, California M4.5 113 km
Sep 25, 2012 3 km N of Talmage, California M4.5 145 km
Aug 3, 2006 5 km W of Glen Ellen, California M4.5 112 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

78 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 7 injuries.

Date Rating Distance Fatalities
May 25, 2011 EF2 75 km 0
Feb 10, 1994 EF2 66 km 0
Feb 7, 1978 EF2 26 km 0
Dec 24, 2015 EF1 42 km 0
Mar 26, 2014 EF1 88 km 0
Mar 26, 2014 EF1 89 km 0
Mar 26, 2014 EF1 91 km 0
Oct 22, 2012 EF1 39 km 0
Oct 22, 2012 EF1 17 km 0
Oct 22, 2012 EF1 18 km 0
May 25, 2011 EF1 95 km 0
May 25, 2011 EF1 89 km 0
Jan 8, 2005 EF1 58 km 0
Apr 17, 1993 EF1 86 km 0
Jan 7, 1993 EF1 58 km 0
Dec 17, 1992 EF1 45 km 0
Dec 17, 1992 EF1 66 km 0
Apr 19, 1988 EF1 90 km 0
Apr 19, 1988 EF1 41 km 0
Mar 22, 1983 EF1 27 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 4.5 m (15 ft).

Year Location Cause Max Wave Deaths Distance
1868 N. CALIFORNIA Eruption + Earthquake 4.5 m 30 146 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Clear Lake (109 km).

Name Type Elevation Last Eruption Distance
Clear Lake Volcanic field 1,439 m (4,721 ft) Unknown 109 km
Lassen Volcanic Center Stratovolcano 3,187 m (10,456 ft) 1917 174 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

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

Year Name Acres Distance
2020 NORTH COMPLEX 316,556 95 km
2020 HENNESSEY 314,241 75 km
2018 CAMP 153,687 92 km
2014 KING 99,070 84 km
2015 ROCKY 96,125 81 km
2018 COUNTY 92,450 62 km
2022 MOSQUITO 77,858 72 km
2015 VALLEY 77,507 96 km
2020 GLASS 68,020 99 km
2017 ATLAS 51,664 89 km
2004 RUMSEY 39,335 68 km
1999 SIXTEEN 37,162 72 km
1988 49R 36,673 44 km
1988 MILLER 35,750 75 km
2013 AMERICAN 27,938 83 km
2008 CANYON COMPLEX (SCOTCH) 26,418 93 km
2008 HUMBOLDT 23,769 88 km
1992 CLEVELAND 21,835 94 km
2008 AMERICAN RIVER COMPLEX (GOVERNMENT) 20,709 85 km
2012 SIXTEEN COMPLEX 18,191 69 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 47°F (8°C) 3.7 in Wettest
February 51°F (11°C) 3.0 in
March 55°F (13°C) 2.8 in
April 60°F (16°C) 1.3 in
May 68°F (20°C) 0.4 in
June 74°F (23°C) 0.2 in
July 76°F (25°C) 0.1 in Warmest, Driest
August 75°F (24°C) 0.1 in
September 72°F (22°C) 0.4 in
October 64°F (18°C) 1.3 in
November 53°F (12°C) 3.1 in
December 46°F (8°C) 2.9 in Coldest

Trowbridge has a seasonal temperature swing of 30°F / from 46°F in December to 76°F in July. Total annual precipitation is 19.3 inches, with January being the wettest month (3.7") and July the driest (0.1").

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