Weather & Climate in Hemet, CA

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

Hemet enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 49°F in January while summers reach 84°F in July. The area gets 325 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 41.8 inches. The area receives 12.9 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 1,539 feet.

Temperature

49°F Jan (10°C) 84°F Jul (29°C)

Annual Average	63.0°F
	17% above US avg
January Average	49°F (10°C)
July Average	84°F (29°C)
Sunny Days	325 days/yr

Geography

Elevation	1,539 ft (469 m)
Area	29.3 sq mi (75.8 km²)
Population Density	3,098/sq mi
Coordinates	33.7341°N, 116.9968°W
Timezone	America/Los_Angeles
County	San Diego County County
Nearest Airport	San Bernardino International (SBD) 28 miles away

Precipitation & Snow

Annual Rainfall 41.8"

10% above US avg

Snowfall 12.9"

Wettest Month (Jan) 2.44"

Driest Month (Jun) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	99.7 / 100
Social Vulnerability	24.8 / 100
Community Resilience	8.3 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Relatively High
Wildfire	Very High
Flood	Very High
Hail	Relatively Moderate
Strong Wind	Relatively Moderate
Heat Wave	Relatively High
Winter Weather	Relatively Low
Lightning	Relatively Moderate
Drought	Relatively Low
Cold Wave	Very Low
Landslide	Relatively High
Coastal Flood	Relatively Moderate
Tsunami	Relatively Low
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

13,561 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992	The 1992 Landers, California Earthquake	M7.3	73 km	0 km
Oct 16, 1999	The 1999 Hector Mine, California Earthquake	M7.1	118 km	14 km
Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	54 km	4 km
Apr 23, 1992	The 1992 Joshua Tree, California Earthquake	M6.1	68 km	12 km
Jun 28, 1991	The 1991 Sierra Madre, California Earthquake	M5.8	110 km	8 km
Jun 28, 1992	3km NE of Yucca Valley, California	M5.8	70 km	-1 km
Oct 16, 1999	13km WSW of Ludlow, CA	M5.8	124 km	14 km
Jun 28, 1992	2km SSW of Joshua Tree, California	M5.7	76 km	6 km
Jun 29, 1992	3km ESE of Yucca Valley, California	M5.7	69 km	10 km
Oct 16, 1999	7km ENE of Running Springs, CA	M5.6	56 km	6 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	49 km	10 km
Feb 28, 1990	The 1990 Upland, California Earthquake	M5.5	79 km	3 km
Jun 28, 1992	0km E of Yucca Valley, CA	M5.5	68 km	8 km
Jul 7, 2010	20km NNW of Borrego Springs, CA	M5.4	60 km	12 km
Jul 5, 1992	21km SW of Ludlow, California	M5.4	113 km	5 km
Jun 28, 1992	26km NNW of Yucca Valley, CA	M5.4	81 km	4 km
Oct 16, 1999	32km SSW of Ludlow, California	M5.4	104 km	1 km
Jul 1, 1992	24km N of Yucca Valley, California	M5.3	83 km	5 km
Nov 27, 1992	10km NNW of Big Bear City, California	M5.3	68 km	0 km
Sep 15, 1992	9km SE of Yucca Valley, California	M5.3	69 km	7 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

93 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 17 injuries.

Date	Rating	Distance	Path	Fatalities
May 22, 2008	EF2	29 km	2.8 mi	0
Sep 7, 1982	EF2	80 km	0.5 mi	0
Nov 7, 1966	EF2	86 km	0.2 mi	0
Aug 6, 2015	EF1	84 km	4.0 mi	0
Aug 4, 2008	EF1	78 km	1.1 mi	0
Feb 19, 2005	EF1	33 km	2.8 mi	0
Nov 10, 2000	EF1	87 km	0.4 mi	0
Jan 29, 1998	EF1	81 km	0.5 mi	0
Dec 21, 1997	EF1	93 km	1.0 mi	0
Nov 11, 1997	EF1	76 km	0.2 mi	0
May 18, 1997	EF1	98 km	9.0 mi	0
May 11, 1997	EF1	89 km	0.2 mi	0
Dec 22, 1996	EF1	29 km	0.1 mi	0
Jan 14, 1993	EF1	90 km	1.0 mi	0
Dec 7, 1992	EF1	93 km	0.1 mi	0
Dec 7, 1992	EF1	86 km	0.1 mi	0
Mar 27, 1991	EF1	93 km	3.0 mi	0
Mar 27, 1991	EF1	67 km	0.2 mi	0
Mar 16, 1986	EF1	86 km	1.2 mi	0
Nov 9, 1982	EF1	65 km	0.2 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 1.2 m (4 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1862	S. CALIFORNIA	Eruption + Earthquake	1.2 m	—	117 km
1855	S. CALIFORNIA	Eruption + Earthquake	—	—	110 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (141 km).

Name	Type	Elevation	Last Eruption	Distance
Salton Buttes	Lava dome(s)	-40 m (-131 ft)	210	141 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CEDAR (268,362 acres, 2003).

Year	Name	Acres Burned	Distance
2003	CEDAR	268,362	91 km
2007	WITCH	167,551	76 km
2003	OLD	90,180	63 km
2006	MILLARD	86,585	55 km
2002	PINES	65,407	76 km
1999	WILLOW	63,525	69 km
2003	PARADISE	55,995	59 km
2003	GRAND PRIX	50,799	67 km
2007	POOMACHA	47,496	49 km
2006	ESPERANZA	40,566	18 km
2002	WILLIAMS	37,505	88 km
2016	BLUE CUT	36,856	81 km
2008	YELLOW	33,232	57 km
2020	APPLE	32,374	35 km
2015	LAKE	30,421	51 km
2008	FREEWAY COMPLEX	29,350	73 km
2022	FAIRVIEW	28,680	14 km
2013	MOUNTAIN	28,202	34 km
2007	SANTIAGO	27,605	61 km
1998	EDNA	27,561	18 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	49°F (10°C)	2.4 in	Coldest, Wettest
February	53°F (11°C)	2.4 in
March	54°F (12°C)	2.1 in
April	59°F (15°C)	0.9 in
May	65°F (18°C)	0.4 in
June	72°F (22°C)	0.1 in	Driest
July	84°F (29°C)	0.2 in	Warmest
August	79°F (26°C)	0.4 in
September	75°F (24°C)	0.6 in
October	67°F (19°C)	0.4 in
November	57°F (14°C)	1.4 in
December	51°F (11°C)	1.7 in

Hemet has a seasonal temperature swing of 35°F / from 49°F in January to 84°F in July. Total annual precipitation is 13.0 inches, with January being the wettest month (2.4") and June the driest (0.1").

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