Weather & Climate in Lemon Hill, CA

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

Lemon Hill enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 48°F in January while summers reach 76°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 18.1 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 27 feet.

Temperature

48°F Jan (9°C) 76°F Jul (24°C)

Annual Average	61.8°F
	14% above US avg
January Average	48°F (9°C)
July Average	76°F (24°C)
Sunny Days	330 days/yr

Geography

Elevation	27 ft (8 m)
Area	1.6 sq mi (4.2 km²)
Population Density	9,111/sq mi
Coordinates	38.5172°N, 121.4573°W
Timezone	America/Los_Angeles
County	Sacramento County County
Nearest Airport	Sacramento International (SMF) 14 miles away

Precipitation & Snow

Annual Rainfall 18.1"

52% below US avg

Wettest Month (Jan) 3.86"

Driest Month (Jul) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	98.1 / 100
Social Vulnerability	37.4 / 100
Community Resilience	57.0 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Earthquake	Relatively High
Wildfire	Relatively Moderate
Flood	Relatively High
Hail	Relatively Low
Strong Wind	Very Low
Heat Wave	Relatively Moderate
Winter Weather	Very Low
Lightning	Relatively Moderate
Drought	Relatively High
Cold Wave	No Rating
Landslide	Relatively Low
Coastal Flood	No Rating
Volcano	Very Low

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

Earthquake History

4,256 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Aug 24, 2014	The 2014 South Napa, California Earthquake	M6.0	82 km	11 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	147 km	14 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	85 km	9 km
Oct 30, 1998	4 km N of Tahoe Vista, California	M4.8	149 km	1 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	113 km	7 km
Jun 26, 2005	8 km NNW of Tahoe Vista, California	M4.8	147 km	-2 km
May 12, 2006	7 km W of Cobb, California	M4.7	122 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	131 km	8 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	135 km	9 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	119 km	1 km
May 7, 2021	19km NW of Truckee, CA	M4.7	144 km	10 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	127 km	8 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	130 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	119 km	3 km
Sep 19, 2023	15 km SW of Westley, CA	M4.5	121 km	4 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	123 km	2 km
Aug 3, 2006	5 km W of Glen Ellen, California	M4.5	100 km	9 km
Jun 8, 2024	7 km NW of The Geysers, CA	M4.5	123 km	4 km
Sep 19, 1992	7 km NW of Cobb, California	M4.5	122 km	3 km
Apr 24, 2007	7 km WSW of Cobb, California	M4.5	120 km	2 km

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

Tornado History

74 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Feb 7, 1978	EF2	20 km	1.9 mi	0
Jan 10, 2023	EF1	78 km	0.4 mi	0
Dec 24, 2015	EF1	36 km	6.2 mi	0
Oct 22, 2012	EF1	67 km	4.0 mi	0
Oct 22, 2012	EF1	62 km	2.0 mi	0
Oct 22, 2012	EF1	63 km	0.3 mi	0
Jan 23, 2010	EF1	72 km	1.6 mi	0
Dec 12, 1996	EF1	99 km	0.6 mi	0
Dec 17, 1992	EF1	90 km	5.0 mi	0
Apr 19, 1988	EF1	47 km	0.2 mi	0
Apr 19, 1988	EF1	31 km	1.0 mi	0
Mar 22, 1983	EF1	24 km	2.0 mi	0
Jun 28, 1970	EF1	97 km	2.3 mi	0
May 31, 1967	EF1	62 km	0.1 mi	0
Jan 14, 2023	EF0	35 km	0.3 mi	0
Nov 8, 2022	EF0	24 km	0.8 mi	0
Nov 18, 2020	EF0	42 km	4.4 mi	0
May 18, 2020	EF0	39 km	0.1 mi	0
Sep 28, 2019	EF0	26 km	1.7 mi	0
Feb 2, 2019	EF0	62 km	0.3 mi	0

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

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1868	N. CALIFORNIA	Eruption + Earthquake	4.5 m	30	107 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	135 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	—	129 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (125 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	125 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HENNESSEY (314,241 acres, 2020).

Year	Name	Acres Burned	Distance
2020	HENNESSEY	314,241	73 km
2014	KING	99,070	92 km
2015	ROCKY	96,125	97 km
2018	COUNTY	92,450	63 km
2022	MOSQUITO	77,858	88 km
2015	BUTTE	72,894	80 km
2020	GLASS	68,020	95 km
2017	NUNS	56,883	93 km
2017	ATLAS	51,664	70 km
2004	RUMSEY	39,335	76 km
1999	SIXTEEN	37,162	82 km
1988	49R	36,673	84 km
1988	MILLER	35,750	56 km
1992	CLEVELAND	21,835	96 km
2012	SIXTEEN COMPLEX	18,191	92 km
1992	GULCH	18,019	93 km
2017	CASCADE	16,155	94 km
2024	CORRAL	16,138	98 km
2006	ZAM ASSIST	14,404	47 km
2018	WAVERLY	12,238	79 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	48°F (9°C)	3.9 in	Wettest
February	52°F (11°C)	3.3 in
March	55°F (13°C)	2.8 in
April	60°F (16°C)	1.2 in
May	67°F (19°C)	0.4 in
June	73°F (23°C)	0.2 in
July	76°F (24°C)	0.1 in	Warmest, Driest
August	76°F (24°C)	0.1 in
September	73°F (23°C)	0.4 in
October	65°F (18°C)	1.1 in
November	54°F (12°C)	2.8 in
December	47°F (8°C)	2.6 in	Coldest

Lemon Hill has a seasonal temperature swing of 29°F / from 47°F in December to 76°F in July. Total annual precipitation is 18.8 inches, with January being the wettest month (3.9") and July the driest (0.1").

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