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Weather & Climate in Blythe, CA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blythe 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, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 3.6 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 269 feet.
Temperature
55°F Jan (13°C)
94°F Jul (34°C)
| Annual Average | 73.4°F |
| 36% above US avg | |
| January Average | 55°F (13°C) |
| July Average | 94°F (34°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 269 ft (82 m) |
| Area | 27.0 sq mi (69.9 km²) |
| Population Density | 673/sq mi |
| Coordinates | 33.6535°N, 114.6218°W |
| Timezone | America/Los_Angeles |
| County | La Paz County County |
| Nearest Airport | Yuma Mcas/Yuma International (YUM) 69 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.5 / 100 |
| Social Vulnerability | 94.6 / 100 |
| Community Resilience | 0.2 / 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
2,559 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Dec 30, 2009 | 12km N of Delta, B.C., MX | M5.8 | 142 km | 6 km |
| Aug 26, 2012 | 4km NNW of Brawley, CA | M5.4 | 111 km | 8 km |
| Aug 26, 2012 | 5km NNW of Brawley, CA | M5.3 | 112 km | 8 km |
| Jun 5, 2021 | 11km W of Calipatria, CA | M5.3 | 110 km | 6 km |
| Feb 12, 2008 | 13km SSE of Puebla, B.C., MX | M5.0 | 149 km | 6 km |
| Aug 27, 2012 | 5km NNE of Brawley, CA | M4.9 | 109 km | 4 km |
| Aug 26, 2012 | 5km NW of Brawley, CA | M4.9 | 113 km | 4 km |
| May 12, 2024 | 9 km NNW of Delta, B.C., MX | M4.9 | 148 km | 8 km |
| Feb 12, 2024 | 3 km NNW of El Centro, CA | M4.8 | 129 km | 18 km |
| Dec 30, 2009 | 14km ESE of Puebla, B.C., MX | M4.8 | 136 km | 6 km |
| Mar 24, 2009 | 4km S of Bombay Beach, CA | M4.8 | 109 km | 6 km |
| Oct 16, 1999 | 13km W of Niland, California | M4.7 | 107 km | 6 km |
| Aug 26, 2012 | 6km N of Brawley, CA | M4.6 | 109 km | 7 km |
| Aug 26, 2012 | 4km N of Brawley, CA | M4.6 | 111 km | 5 km |
| May 12, 2024 | 8 km NW of Delta, B.C., MX | M4.6 | 150 km | 11 km |
| Jun 5, 2024 | 8 km N of Delta, B.C., MX | M4.6 | 146 km | 16 km |
| Feb 12, 2024 | 2 km NNW of El Centro, CA | M4.6 | 129 km | 16 km |
| May 10, 2020 | 17km SE of Ocotillo Wells, CA | M4.5 | 148 km | 10 km |
| Jun 14, 2000 | 7km NE of Imperial, CA | M4.5 | 118 km | 10 km |
| Aug 31, 1990 | 10km WSW of Salton City, CA | M4.5 | 140 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
13 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3.
| Date | Rating | Distance | Path | Fatalities |
| Aug 16, 1973 | EF3 | 4 km | 0.1 mi | 0 |
| Sep 22, 1987 | EF1 | 95 km | 0.5 mi | 0 |
| Jul 31, 1983 | EF1 | 36 km | 0.2 mi | 0 |
| Sep 18, 1972 | EF1 | 78 km | 0.1 mi | 0 |
| Oct 13, 2018 | EF0 | 92 km | 0.1 mi | 0 |
| Oct 13, 2018 | EF0 | 41 km | 0.0 mi | 0 |
| Apr 21, 2015 | EF0 | 74 km | 10.0 mi | 0 |
| Jan 21, 2010 | EF0 | 20 km | 14.3 mi | 0 |
| Aug 10, 2006 | EF0 | 89 km | 10.0 mi | 0 |
| Aug 30, 2000 | EF0 | 84 km | 3.0 mi | 0 |
| Sep 22, 1987 | EF0 | 93 km | 0.5 mi | 0 |
| Jun 7, 1972 | EF0 | 56 km | 0.1 mi | 0 |
| Jul 5, 1965 | EF0 | 97 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano 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 |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
17 wildfires (100+ acres) recorded within 100 km. Largest: LOST LAKE (5,455 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | LOST LAKE | 5,455 | 43 km |
| 2006 | CIBOLA | 4,703 | 38 km |
| 2011 | THREE SLASHES | 4,581 | 43 km |
| 2005 | BOSQUE | 3,381 | 13 km |
| 1989 | LAGUNA II | 3,042 | 91 km |
| 1995 | LOST LAKE | 2,846 | 43 km |
| 1989 | FERGUSON | 2,284 | 73 km |
| 1992 | WALTERS | 2,170 | 44 km |
| 2013 | ISLAND LAKE | 2,021 | 67 km |
| 1987 | FERGUSONLK | 1,692 | 74 km |
| 1986 | COLORADO 2 | 1,403 | 39 km |
| 2021 | CLIP | 1,295 | 60 km |
| 2021 | PLANET RANCH | 1,250 | 87 km |
| 2019 | BERMUDA | 1,175 | 91 km |
| 2003 | MITTRY | 1,066 | 90 km |
| 1990 | YOCUM | 1,006 | 90 km |
| 1987 | IMPERIAL | 1,006 | 77 km |
Source: NIFC/IRWIN Wildfire Records (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 |
Blythe 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").