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Weather & Climate in Glendale, CA

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

Glendale enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 50°F in January while summers reach 78°F in July. The area gets 328 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 46.3 inches (wetter than the 38-inch national average). The area receives 4.7 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 1,404 feet.

Temperature

50°F Jan (10°C) 78°F Jul (26°C)
Annual Average61.6°F
14% above US avg
January Average50°F (10°C)
July Average78°F (26°C)
Sunny Days328 days/yr

Geography

Elevation1,404 ft (428 m)
Area30.6 sq mi (79.2 km²)
Population Density6,308/sq mi
Coordinates34.1814°N, 118.2458°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportBob Hope (BUR)
7 miles away

Precipitation & Snow

Annual Rainfall 46.3"
22% above US avg
Snowfall 4.7"
Wettest Month (Feb) 3.62"
Driest Month (Jul) 0.04"

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

6,904 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994 Northridge, California, earthquake M6.7 27 km 18 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 131 km 4 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 25 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 25 km 8 km
Jul 11, 1992 12km NW of California City, California M5.7 116 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 111 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 45 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 128 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 51 km 3 km
Nov 27, 1992 10km NNW of Big Bear City, California M5.3 125 km 0 km
Apr 5, 2018 31km SW of Santa Cruz Is. (E end), CA M5.3 143 km 10 km
Jun 28, 1992 1km N of Big Bear Lake, California M5.3 123 km 7 km
Dec 4, 1992 10km SE of Lucerne Valley, California M5.3 126 km 1 km
Mar 20, 1994 3km WNW of Panorama City, California M5.2 22 km 12 km
Jan 18, 1994 10km ESE of Piru, California M5.2 47 km 11 km
Aug 17, 1992 7km SE of Big Bear Lake, California M5.2 127 km 9 km
Aug 7, 2024 24 km SW of Lamont, CA M5.2 129 km 12 km
Jan 17, 1994 9km N of Chatsworth, California M5.2 38 km 5 km
May 28, 1993 21km SW of Lamont, California M5.2 133 km 21 km
Mar 29, 2014 2km NW of Brea, CA M5.1 41 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

104 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 54 injuries.

Date Rating Distance Path Fatalities
May 22, 2008 EF2 98 km 2.8 mi 0
Mar 1, 1983 EF2 25 km 3.5 mi 0
Nov 9, 1982 EF2 45 km 10.0 mi 0
Nov 9, 1982 EF2 19 km 1.0 mi 0
Nov 7, 1966 EF2 32 km 0.1 mi 0
Nov 7, 1966 EF2 66 km 0.2 mi 0
Nov 7, 1966 EF2 38 km 10.3 mi 0
Mar 22, 2023 EF1 23 km 0.5 mi 0
Jan 19, 2010 EF1 53 km 4.6 mi 0
Jan 9, 1998 EF1 45 km 1.5 mi 0
Dec 21, 1997 EF1 61 km 1.0 mi 0
Nov 11, 1997 EF1 68 km 0.2 mi 0
Jan 14, 1993 EF1 43 km 1.0 mi 0
Dec 7, 1992 EF1 53 km 0.1 mi 0
Dec 7, 1992 EF1 49 km 0.1 mi 0
Mar 20, 1992 EF1 11 km 0.2 mi 0
Mar 27, 1991 EF1 61 km 3.0 mi 0
Mar 16, 1986 EF1 49 km 1.2 mi 0
Oct 1, 1983 EF1 31 km 0.3 mi 0
Nov 9, 1982 EF1 85 km 0.2 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 40 km
1994 WEST COAST, USA Earthquake 0.1 m 57 27 km
1855 S. CALIFORNIA Eruption + Earthquake — — 16 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 19 km
2006 DAY 159,713 82 km
2020 BOBCAT 115,728 33 km
2003 SIMI 107,756 53 km
2018 WOOLSEY 97,962 54 km
2003 OLD 90,180 89 km
2003 PIRU 63,920 66 km
2003 GRAND PRIX 50,799 71 km
1985 FERNDALE 46,724 87 km
2016 SAND 41,561 25 km
2007 BUCKWEED 41,332 41 km
1993 GREEN MEADOWS 38,115 68 km
2002 WILLIAMS 37,505 43 km
2007 RANCH 37,009 58 km
2016 BLUE CUT 36,856 70 km
2013 POWERHOUSE 32,329 58 km
2020 LAKE 30,971 63 km
2008 FREEWAY COMPLEX 29,350 54 km
2007 SANTIAGO 27,605 75 km
1993 STECKEL 26,202 86 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 50°F (10°C) 3.4 in Coldest
February 52°F (11°C) 3.6 in Wettest
March 54°F (12°C) 3.0 in
April 57°F (14°C) 1.3 in
May 62°F (17°C) 0.3 in
June 68°F (20°C) 0.1 in
July 78°F (26°C) 0.0 in Warmest, Driest
August 75°F (24°C) 0.2 in
September 72°F (22°C) 0.3 in
October 65°F (18°C) 0.4 in
November 57°F (14°C) 2.1 in
December 52°F (11°C) 2.4 in

Glendale has a seasonal temperature swing of 29°F / from 50°F in January to 78°F in July. Total annual precipitation is 17.1 inches, with February being the wettest month (3.6") and July the driest (0.0").

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