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Weather & Climate in Winterhaven, CA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Winterhaven has a warm climate with an average annual temperature of 75°F (24°C). Winters average 58°F in January while summers reach 92°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 3.2 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 129 feet.
Temperature
58°F Jan (14°C)
92°F Jul (34°C)
| Annual Average | 74.5°F |
| 38% above US avg | |
| January Average | 58°F (14°C) |
| July Average | 92°F (34°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 129 ft (39 m) |
| Area | 0.2 sq mi (0.6 km²) |
| Population Density | 46/sq mi |
| Coordinates | 32.7372°N, 114.6378°W |
| Timezone | America/Los_Angeles |
| County | Yuma County County |
| Nearest Airport | Yuma Mcas/Yuma International (YUM) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.6 / 100 |
| Social Vulnerability | 68.5 / 100 |
| Community Resilience | 1.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
9,221 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Apr 4, 2010 | The 2010 Sierra El Mayor, B.C., Mexico Earthquake | M7.2 | 80 km | 10 km |
| Dec 30, 2009 | 12km N of Delta, B.C., MX | M5.8 | 60 km | 6 km |
| Jun 15, 2010 | 8km ESE of Ocotillo, CA | M5.7 | 119 km | 9 km |
| Dec 8, 2001 | 22km S of Estacion Coahuila, B.C., MX | M5.7 | 89 km | 7 km |
| Apr 4, 2010 | 12km SSW of Estacion Coahuila, B.C., MX | M5.7 | 81 km | 10 km |
| Feb 22, 2002 | 13km WSW of Delta, B.C., MX | M5.7 | 79 km | 7 km |
| Mar 7, 2020 | 71km SE of Estacion Coahuila, B.C., MX | M5.5 | 117 km | 10 km |
| Apr 4, 2010 | 9km SW of Delta, B.C., MX | M5.4 | 76 km | 10 km |
| Aug 26, 2012 | 4km NNW of Brawley, CA | M5.4 | 90 km | 8 km |
| Apr 4, 2010 | 12km WNW of Alberto Oviedo Mota, B.C., MX | M5.4 | 81 km | 10 km |
| May 24, 2006 | 6km SSW of Delta, B.C., MX | M5.4 | 73 km | 6 km |
| Aug 26, 2012 | 5km NNW of Brawley, CA | M5.3 | 91 km | 8 km |
| Apr 8, 2010 | 12km SW of Alberto Oviedo Mota, B.C., MX | M5.3 | 87 km | 10 km |
| Apr 4, 2010 | 15km SSW of Progreso, B.C., MX | M5.3 | 98 km | 10 km |
| Jun 5, 2021 | 11km W of Calipatria, CA | M5.3 | 103 km | 6 km |
| Apr 5, 2010 | 27km SSW of Estacion Coahuila, B.C., MX | M5.2 | 96 km | 10 km |
| Oct 3, 1994 | 5 km NE of Ejido Doctor Alberto Oviedo Mota (El Indiviso), Mexico | M5.2 | 80 km | 10 km |
| Feb 9, 2008 | 8km W of Delta, B.C., MX | M5.1 | 73 km | 6 km |
| Feb 11, 2008 | 7km WSW of Delta, B.C., MX | M5.1 | 74 km | 6 km |
| Feb 18, 2011 | 17km SSW of Estacion Coahuila, B.C., MX | M5.1 | 87 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
18 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Aug 16, 1973 | EF3 | 98 km | 0.1 mi | 0 |
| Aug 17, 1959 | EF2 | 53 km | 0.1 mi | 0 |
| Aug 29, 1993 | EF1 | 88 km | 0.1 mi | 0 |
| Sep 22, 1987 | EF1 | 13 km | 0.5 mi | 0 |
| Sep 13, 1966 | EF1 | 6 km | 0.1 mi | 0 |
| Jul 5, 1965 | EF1 | 1 km | 2.0 mi | 0 |
| Oct 13, 2018 | EF0 | 29 km | 0.1 mi | 0 |
| Jan 21, 2010 | EF0 | 87 km | 14.3 mi | 0 |
| Aug 10, 2006 | EF0 | 43 km | 10.0 mi | 0 |
| Aug 30, 2000 | EF0 | 50 km | 3.0 mi | 0 |
| Sep 24, 1997 | EF0 | 97 km | 1.5 mi | 0 |
| May 5, 1992 | EF0 | 88 km | 0.2 mi | 0 |
| Sep 22, 1987 | EF0 | 18 km | 0.5 mi | 0 |
| Sep 28, 1979 | EF0 | 32 km | 0.1 mi | 0 |
| Feb 10, 1978 | EF0 | 44 km | 0.1 mi | 0 |
| Feb 10, 1978 | EF0 | 68 km | 0.1 mi | 0 |
| Jun 7, 1972 | EF0 | 73 km | 0.1 mi | 0 |
| Jul 5, 1965 | EF0 | 19 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Salton Buttes (105 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 105 km |
| Pinacate | Pyroclastic cone(s) | 1,200 m (3,937 ft) | Unknown | 152 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
14 wildfires (100+ acres) recorded within 100 km. Largest: KING VALLEY (32,964 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | KING VALLEY | 32,964 | 81 km |
| 2006 | CIBOLA | 4,703 | 65 km |
| 2011 | THREE SLASHES | 4,581 | 60 km |
| 1989 | LAGUNA II | 3,042 | 20 km |
| 1989 | FERGUSON | 2,284 | 33 km |
| 1992 | WALTERS | 2,170 | 59 km |
| 2013 | ISLAND LAKE | 2,021 | 35 km |
| 1987 | FERGUSONLK | 1,692 | 32 km |
| 2005 | GETTING | 1,403 | 73 km |
| 2021 | CLIP | 1,295 | 43 km |
| 2019 | BERMUDA | 1,175 | 21 km |
| 2003 | MITTRY | 1,066 | 21 km |
| 1990 | YOCUM | 1,006 | 78 km |
| 1987 | IMPERIAL | 1,006 | 30 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (14°C) | 0.4 in | |
| February | 61°F (16°C) | 0.3 in | |
| March | 65°F (18°C) | 0.3 in | |
| April | 72°F (22°C) | 0.1 in | |
| May | 79°F (26°C) | 0.0 in | Driest |
| June | 88°F (31°C) | 0.0 in | |
| July | 92°F (34°C) | 0.3 in | |
| August | 93°F (34°C) | 0.6 in | Warmest, Wettest |
| September | 88°F (31°C) | 0.4 in | |
| October | 77°F (25°C) | 0.3 in | |
| November | 64°F (18°C) | 0.2 in | |
| December | 56°F (14°C) | 0.5 in | Coldest |
Winterhaven has a seasonal temperature swing of 37°F / from 56°F in December to 93°F in August. Total annual precipitation is 3.5 inches, with August being the wettest month (0.6") and May the driest (0.0").