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Weather & Climate in Anza, CA

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

Anza experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 43°F in January while summers reach 70°F in July. The area gets 328 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 24.5 inches (drier than the 38-inch national average). The area receives 30.7 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 4,014 feet.

Temperature

43°F Jan (6°C) 70°F Jul (21°C)
Annual Average54.5°F
1% above US avg
January Average43°F (6°C)
July Average70°F (21°C)
Sunny Days328 days/yr

Geography

Elevation4,014 ft (1,223 m)
Area27.7 sq mi (71.7 km²)
Population Density67/sq mi
Coordinates33.5616°N, 116.6961°W
TimezoneAmerica/Los_Angeles
CountySan Diego County County
Nearest AirportPalm Springs International (PSP)
21 miles away

Precipitation & Snow

Annual Rainfall 24.5"
36% below US avg
Snowfall 30.7"
Wettest Month (Feb) 3.07"
Driest Month (Jun) 0.08"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskVery High
Risk Score99.7 / 100
Social Vulnerability24.8 / 100
Community Resilience8.3 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Very Low
Earthquake Relatively High
Wildfire Very High
Flood Very High
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively High
Winter Weather Relatively Low
Lightning Relatively Moderate
Drought Relatively Low
Cold Wave Very Low
Landslide Relatively High
Coastal Flood Relatively Moderate
Tsunami Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

14,134 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 75 km 0 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 123 km 14 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 72 km 4 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 57 km 12 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 143 km 8 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 130 km 14 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 69 km -1 km
Jun 15, 2010 8km ESE of Ocotillo, CA M5.7 120 km 9 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 71 km 6 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 66 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 82 km 6 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 68 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 113 km 3 km
Jun 28, 1992 0km E of Yucca Valley, CA M5.5 66 km 8 km
Jul 7, 2010 20km NNW of Borrego Springs, CA M5.4 26 km 12 km
Jul 5, 1992 21km SW of Ludlow, California M5.4 119 km 5 km
Aug 26, 2012 4km NNW of Brawley, CA M5.4 123 km 8 km
Jun 28, 1992 26km NNW of Yucca Valley, CA M5.4 88 km 4 km
Oct 16, 1999 32km SSW of Ludlow, California M5.4 106 km 1 km
Jul 1, 1992 24km N of Yucca Valley, California M5.3 88 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

62 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 17 injuries.

Date Rating Distance Path Fatalities
Feb 9, 1978 EF3 86 km 2.0 mi 0
May 22, 2008 EF2 62 km 2.8 mi 0
Sep 7, 1982 EF2 80 km 0.5 mi 0
Aug 6, 2015 EF1 55 km 4.0 mi 0
Aug 4, 2008 EF1 88 km 1.1 mi 0
Feb 19, 2005 EF1 45 km 2.8 mi 0
Nov 10, 2000 EF1 74 km 0.4 mi 0
Jan 29, 1998 EF1 80 km 0.5 mi 0
Dec 22, 1996 EF1 41 km 0.1 mi 0
Mar 27, 1991 EF1 64 km 0.2 mi 0
Mar 19, 1991 EF1 98 km 1.0 mi 0
Nov 9, 1982 EF1 90 km 0.2 mi 0
Feb 20, 1980 EF1 99 km 0.1 mi 0
Dec 18, 1978 EF1 75 km 0.8 mi 0
Oct 22, 1974 EF1 75 km 0.1 mi 0
Jul 20, 1974 EF1 32 km 1.0 mi 0
Oct 8, 1961 EF1 75 km 0.1 mi 0
Apr 1, 1958 EF1 100 km 0.5 mi 0
Oct 8, 2022 EF0 50 km 1.6 mi 0
Aug 16, 2018 EF0 1 km 0.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 1.2 m (4 ft).

Year Location Cause Max Wave Deaths Distance
1862 S. CALIFORNIA Eruption + Earthquake 1.2 m — 107 km
1855 S. CALIFORNIA Eruption + Earthquake — — 143 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (108 km).

Name Type Elevation Last Eruption Distance
Salton Buttes Lava dome(s) -40 m (-131 ft) 210 108 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CEDAR (268,362 acres, 2003).

Year Name Acres Burned Distance
2003 CEDAR 268,362 70 km
2007 WITCH 167,551 54 km
2003 OLD 90,180 94 km
2006 MILLARD 86,585 62 km
2002 PINES 65,407 48 km
1999 WILLOW 63,525 95 km
2003 PARADISE 55,995 45 km
2003 GRAND PRIX 50,799 100 km
2007 POOMACHA 47,496 36 km
2006 ESPERANZA 40,566 37 km
2008 YELLOW 33,232 73 km
2020 APPLE 32,374 55 km
2015 LAKE 30,421 65 km
2022 FAIRVIEW 28,680 20 km
2013 MOUNTAIN 28,202 20 km
2007 SANTIAGO 27,605 91 km
1998 EDNA 27,561 46 km
2020 INDIA 24,193 70 km
1993 CALIFORNIA 23,899 32 km
2018 HOLY 22,845 73 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 3.0 in Coldest
February 47°F (8°C) 3.1 in Wettest
March 48°F (9°C) 3.0 in
April 53°F (12°C) 1.3 in
May 59°F (15°C) 0.5 in
June 67°F (19°C) 0.1 in Driest
July 70°F (21°C) 0.4 in
August 74°F (24°C) 0.7 in Warmest
September 70°F (21°C) 0.8 in
October 62°F (16°C) 0.6 in
November 52°F (11°C) 2.0 in
December 46°F (8°C) 2.6 in

Anza has a seasonal temperature swing of 31°F / from 43°F in January to 74°F in August. Total annual precipitation is 18.0 inches, with February being the wettest month (3.1") and June the driest (0.1").

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