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Weather & Climate in Aguanga, CA

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

Aguanga enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 44°F in January while summers reach 74°F in July. The area gets 330 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 30.4 inches. The area receives 26.2 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 2,138 feet.

Temperature

44°F Jan (7°C) 74°F Jul (23°C)
Annual Average57.1°F
6% above US avg
January Average44°F (7°C)
July Average74°F (23°C)
Sunny Days330 days/yr

Geography

Elevation2,138 ft (652 m)
Area13.6 sq mi (35.2 km²)
Population Density56/sq mi
Coordinates33.4522°N, 116.8555°W
TimezoneAmerica/Los_Angeles
CountySan Diego County County
Nearest AirportPalm Springs International (PSP)
33 miles away

Precipitation & Snow

Annual Rainfall 30.4"
20% below US avg
Snowfall 26.2"
Wettest Month (Jan) 3.39"
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

13,645 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 92 km 0 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 139 km 14 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 84 km 4 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 75 km 12 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 139 km 8 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 86 km -1 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 146 km 14 km
Jun 15, 2010 8km ESE of Ocotillo, CA M5.7 121 km 9 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 89 km 6 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 84 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 89 km 6 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 79 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 109 km 3 km
Jun 28, 1992 0km E of Yucca Valley, CA M5.5 84 km 8 km
Jul 7, 2010 20km NNW of Borrego Springs, CA M5.4 36 km 12 km
Jul 5, 1992 21km SW of Ludlow, California M5.4 135 km 5 km
Aug 26, 2012 4km NNW of Brawley, CA M5.4 132 km 8 km
Jun 28, 1992 26km NNW of Yucca Valley, CA M5.4 104 km 4 km
Oct 16, 1999 32km SSW of Ludlow, California M5.4 123 km 1 km
Jul 1, 1992 24km N of Yucca Valley, California M5.3 104 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

69 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 14 injuries.

Date Rating Distance Path Fatalities
May 22, 2008 EF2 60 km 2.8 mi 0
Sep 7, 1982 EF2 97 km 0.5 mi 0
Aug 6, 2015 EF1 70 km 4.0 mi 0
Feb 19, 2005 EF1 29 km 2.8 mi 0
Nov 10, 2000 EF1 58 km 0.4 mi 0
Jan 29, 1998 EF1 61 km 0.5 mi 0
Nov 11, 1997 EF1 93 km 0.2 mi 0
Dec 22, 1996 EF1 53 km 0.1 mi 0
Mar 27, 1991 EF1 45 km 0.2 mi 0
Mar 19, 1991 EF1 81 km 1.0 mi 0
Nov 9, 1982 EF1 77 km 0.2 mi 0
Feb 20, 1980 EF1 81 km 0.1 mi 0
Dec 18, 1978 EF1 56 km 0.8 mi 0
Oct 22, 1974 EF1 93 km 0.1 mi 0
Jul 20, 1974 EF1 34 km 1.0 mi 0
Nov 7, 1966 EF1 97 km 0.5 mi 0
Apr 8, 1965 EF1 99 km 0.1 mi 0
Oct 8, 1961 EF1 56 km 0.1 mi 0
Apr 1, 1958 EF1 85 km 0.5 mi 0
Apr 13, 1956 EF1 94 km 0.1 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 — 90 km
1855 S. CALIFORNIA Eruption + Earthquake — — 136 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (119 km).

Name Type Elevation Last Eruption Distance
Salton Buttes Lava dome(s) -40 m (-131 ft) 210 119 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 58 km
2007 WITCH 167,551 42 km
2007 HARRIS 90,443 90 km
2003 OLD 90,180 97 km
2006 MILLARD 86,585 77 km
2002 PINES 65,407 43 km
2003 PARADISE 55,995 28 km
2003 GRAND PRIX 50,799 100 km
2007 POOMACHA 47,496 18 km
2006 ESPERANZA 40,566 46 km
2003 MINE/OTAY 37,232 92 km
2008 YELLOW 33,232 56 km
2020 APPLE 32,374 65 km
2015 LAKE 30,421 78 km
2008 FREEWAY COMPLEX 29,350 98 km
2022 FAIRVIEW 28,680 25 km
2013 MOUNTAIN 28,202 37 km
2007 SANTIAGO 27,605 80 km
1998 EDNA 27,561 51 km
2020 INDIA 24,193 53 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 44°F (7°C) 3.4 in Coldest, Wettest
February 49°F (9°C) 3.3 in
March 50°F (10°C) 3.2 in
April 55°F (13°C) 1.3 in
May 60°F (15°C) 0.5 in
June 67°F (19°C) 0.1 in Driest
July 74°F (23°C) 0.2 in
August 75°F (24°C) 0.5 in Warmest
September 71°F (22°C) 0.6 in
October 63°F (17°C) 0.6 in
November 55°F (13°C) 2.2 in
December 49°F (9°C) 2.7 in

Aguanga has a seasonal temperature swing of 31°F / from 44°F in January to 75°F in August. Total annual precipitation is 18.6 inches, with January being the wettest month (3.4") and June the driest (0.1").

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