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Weather & Climate in Phelan, CA

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

Phelan experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 37°F in January while summers reach 68°F in July. The area gets 326 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 21.1 inches (drier than the 38-inch national average). The area receives 61.8 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 3,809 feet.

Temperature

37°F Jan (3°C) 68°F Jul (20°C)
Annual Average50.0°F
7% below US avg
January Average37°F (3°C)
July Average68°F (20°C)
Sunny Days326 days/yr

Geography

Elevation3,809 ft (1,161 m)
Area60.1 sq mi (155.7 km²)
Population Density301/sq mi
Coordinates34.4398°N, 117.5248°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportOntario International (ONT)
27 miles away

Precipitation & Snow

Annual Rainfall 21.1"
45% below US avg
Snowfall 61.8"
Wettest Month (Jan) 3.62"
Driest Month (Jun) 0.08"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskVery High
Risk Score100.0 / 100
Social Vulnerability55.4 / 100
Community Resilience13.6 / 100

Hazard Breakdown

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

Earthquake History

15,260 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 103 km 0 km
Jul 6, 2019 Ridgecrest Earthquake Sequence M7.1 148 km 8 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 117 km 14 km
Jan 17, 1994 Northridge, California, earthquake M6.7 96 km 18 km
Jul 4, 2019 Ridgecrest Earthquake Sequence M6.4 141 km 11 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 69 km 4 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 123 km 12 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 91 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 47 km 8 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 108 km -1 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 116 km 14 km
Sep 20, 1995 16km NNE of Ridgecrest, California M5.8 147 km 5 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 116 km 6 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 110 km 10 km
Jul 11, 1992 12km NW of California City, California M5.7 99 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 50 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 108 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 69 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 37 km 3 km
Jun 4, 2020 17km S of Searles Valley, CA M5.5 131 km 8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

116 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 55 injuries.

Date Rating Distance Path Fatalities
May 22, 2008 EF2 67 km 2.8 mi 0
Mar 1, 1983 EF2 93 km 3.5 mi 0
Nov 9, 1982 EF2 96 km 10.0 mi 0
Nov 9, 1982 EF2 90 km 1.0 mi 0
Nov 7, 1966 EF2 93 km 0.1 mi 0
Nov 7, 1966 EF2 95 km 0.2 mi 0
Nov 7, 1966 EF2 99 km 10.3 mi 0
Jun 25, 1954 EF2 37 km 0.1 mi 0
Mar 22, 2023 EF1 74 km 0.5 mi 0
Jan 19, 2010 EF1 98 km 4.6 mi 0
Aug 4, 2008 EF1 86 km 1.1 mi 0
Jan 9, 1998 EF1 94 km 1.5 mi 0
Dec 21, 1997 EF1 96 km 1.0 mi 0
Nov 11, 1997 EF1 89 km 0.2 mi 0
May 18, 1997 EF1 34 km 3.5 mi 0
May 18, 1997 EF1 36 km 9.0 mi 0
May 11, 1997 EF1 31 km 0.2 mi 0
Dec 22, 1996 EF1 90 km 0.1 mi 0
Jan 14, 1993 EF1 74 km 1.0 mi 0
Dec 7, 1992 EF1 88 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1930 S. CALIFORNIA Eruption + Earthquake 3.1 m 1 112 km
1994 WEST COAST, USA Earthquake 0.1 m 57 96 km
1855 S. CALIFORNIA Eruption + Earthquake — — 65 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: STATION (165,368 acres, 2009).

Year Name Acres Burned Distance
2009 STATION 165,368 58 km
2020 BOBCAT 115,728 40 km
2003 OLD 90,180 31 km
2006 MILLARD 86,585 91 km
1999 WILLOW 63,525 40 km
2003 GRAND PRIX 50,799 29 km
2016 SAND 41,561 76 km
2007 BUCKWEED 41,332 85 km
2006 ESPERANZA 40,566 88 km
2002 WILLIAMS 37,505 36 km
2016 BLUE CUT 36,856 13 km
2020 APPLE 32,374 76 km
2013 POWERHOUSE 32,329 89 km
2020 LAKE 30,971 99 km
2015 LAKE 30,421 77 km
2008 FREEWAY COMPLEX 29,350 62 km
2007 SANTIAGO 27,605 81 km
1998 EDNA 27,561 78 km
2018 HOLY 22,845 82 km
2020 EL DORADO 22,300 66 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 37°F (3°C) 3.6 in Coldest, Wettest
February 44°F (7°C) 3.6 in
March 47°F (8°C) 3.1 in
April 53°F (11°C) 1.4 in
May 60°F (16°C) 0.5 in
June 69°F (21°C) 0.1 in Driest
July 68°F (20°C) 0.1 in
August 75°F (24°C) 0.4 in Warmest
September 69°F (20°C) 0.6 in
October 59°F (15°C) 0.6 in
November 48°F (9°C) 2.5 in
December 41°F (5°C) 2.9 in

Phelan has a seasonal temperature swing of 38°F / from 37°F in January to 75°F in August. Total annual precipitation is 19.4 inches, with January being the wettest month (3.6") and June the driest (0.1").

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