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Ripley, CA

Full City Profile · California · La Paz County County

2.2 /5.0
C Fair
600 Population 353/sq mi density
$27,957 Median Income $13,313 per capita
$581 Median Rent 33.8% income on rent
73°F Avg Temperature 330 sunny days/yr
447 Violent Crime/100K 3,803 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.4 / 5.0
$27,957 median income, 9.3% unemployment
A
Affordability
4.3 / 5.0
F
Safety
1.0 / 5.0
447 violent crimes/100K (18% above avg)
C
Education
2.2 / 5.0
0.0% bachelor's degree or higher
Ripley has a warm climate with an average annual temperature of 73°F (23°C). Winters average 55°F in January while summers reach 94°F in July. The area gets 330 sunny days per year. Annual precipitation totals 3.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 48.

Temperature

55°F Jan (13°C) 94°F Jul (34°C)
Annual Average73.4°F
36% above US avg
January Average55°F (13°C)
July Average94°F (34°C)
Sunny Days330 days/yr

Geography

Elevation249 ft (76 m)
Area1.7 sq mi (4.4 km²)
Population Density353/sq mi
Coordinates33.5238°N, 114.6530°W
TimezoneAmerica/Los_Angeles
CountyLa Paz County County
Nearest AirportYuma Mcas/Yuma International (YUM)
60 miles away

Precipitation & Snow

Annual Rainfall 3.6"
91% below US avg
Snowfall 0.0"
Wettest Month (Aug) 0.67"
Driest Month (May) 0.04"

Air Quality

AQI Median48.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0500 ppm
PM2.5 (Fine Particles)2.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score83.5 / 100
Social Vulnerability94.6 / 100
Community Resilience0.2 / 100

Hazard Breakdown

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

Earthquake History

5,173 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.8. Most recent: M3.1 on Aug 15, 2025.

Dec 30, 2009 12km N of Delta, B.C., MX M5.8 128 km
Jun 15, 2010 8km ESE of Ocotillo, CA M5.7 148 km
Feb 22, 2002 13km WSW of Delta, B.C., MX M5.7 148 km
Apr 4, 2010 9km SW of Delta, B.C., MX M5.4 147 km
Aug 26, 2012 4km NNW of Brawley, CA M5.4 100 km
May 24, 2006 6km SSW of Delta, B.C., MX M5.4 146 km
Aug 26, 2012 5km NNW of Brawley, CA M5.3 101 km
Apr 4, 2010 15km SSW of Progreso, B.C., MX M5.3 150 km
Jun 5, 2021 11km W of Calipatria, CA M5.3 101 km
Feb 9, 2008 8km W of Delta, B.C., MX M5.1 142 km
Feb 11, 2008 7km WSW of Delta, B.C., MX M5.1 145 km
Sep 19, 2009 7km WNW of Delta, B.C., MX M5.1 140 km
Feb 19, 2008 14km NW of Delta, B.C., MX M5.0 136 km
Feb 12, 2008 13km SSE of Puebla, B.C., MX M5.0 135 km
Apr 5, 2010 20km ESE of Ocotillo, CA M5.0 145 km
Aug 27, 2012 5km NNE of Brawley, CA M4.9 98 km
Apr 5, 2010 19km ESE of Ocotillo, CA M4.9 144 km
Jun 1, 1999 5km WNW of Delta, B.C., MX M4.9 139 km
May 22, 2010 17km WNW of Progreso, B.C., MX M4.9 144 km
Aug 26, 2012 5km NW of Brawley, CA M4.9 102 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

15 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3.

Date Rating Distance Fatalities
Aug 16, 1973 EF3 11 km 0
Sep 22, 1987 EF1 81 km 0
Jul 31, 1983 EF1 42 km 0
Sep 18, 1972 EF1 92 km 0
Sep 13, 1966 EF1 92 km 0
Jul 5, 1965 EF1 88 km 0
Oct 13, 2018 EF0 79 km 0
Oct 13, 2018 EF0 48 km 0
Apr 21, 2015 EF0 76 km 0
Jan 21, 2010 EF0 9 km 0
Aug 10, 2006 EF0 78 km 0
Aug 30, 2000 EF0 70 km 0
Sep 22, 1987 EF0 79 km 0
Jun 7, 1972 EF0 45 km 0
Jul 5, 1965 EF0 82 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (97 km).

Name Type Elevation Last Eruption Distance
Salton Buttes Lava dome(s) -40 m (-131 ft) 210 97 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

17 wildfires (100+ acres) within 100 km. Largest: KING VALLEY (32,964 ac, 2005).

Year Name Acres Distance
2005 KING VALLEY 32,964 95 km
2022 LOST LAKE 5,455 57 km
2006 CIBOLA 4,703 23 km
2011 THREE SLASHES 4,581 28 km
2005 BOSQUE 3,381 23 km
1989 LAGUNA II 3,042 77 km
1995 LOST LAKE 2,846 58 km
1989 FERGUSON 2,284 59 km
1992 WALTERS 2,170 29 km
2013 ISLAND LAKE 2,021 52 km
1987 FERGUSONLK 1,692 60 km
1986 COLORADO 2 1,403 54 km
2021 CLIP 1,295 45 km
2019 BERMUDA 1,175 77 km
2003 MITTRY 1,066 77 km
1990 YOCUM 1,006 79 km
1987 IMPERIAL 1,006 64 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 55°F (13°C) 0.5 in
February 59°F (15°C) 0.5 in
March 64°F (18°C) 0.4 in
April 70°F (21°C) 0.1 in
May 78°F (26°C) 0.0 in Driest
June 87°F (30°C) 0.0 in
July 94°F (34°C) 0.2 in Warmest
August 91°F (33°C) 0.7 in Wettest
September 85°F (29°C) 0.5 in
October 73°F (23°C) 0.2 in
November 61°F (16°C) 0.2 in
December 53°F (12°C) 0.5 in Coldest

Ripley has a seasonal temperature swing of 41°F / from 53°F in December to 94°F in July. Total annual precipitation is 3.9 inches, with August being the wettest month (0.7") and May the driest (0.0").

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