Weather & Climate in La Grange, CA

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

La Grange enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 42°F in January while summers reach 74°F in July. The area gets 317 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 38.7 inches. The area receives 3.8 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 258 feet.

Temperature

42°F Jan (6°C) 74°F Jul (23°C)

Annual Average	55.9°F
	4% above US avg
January Average	42°F (6°C)
July Average	74°F (23°C)
Sunny Days	317 days/yr

Geography

Elevation	258 ft (79 m)
Area	0.1 sq mi (0.2 km²)
Population Density	1,022/sq mi
Coordinates	37.6635°N, 120.4631°W
Timezone	America/Los_Angeles
County	Merced County County
Nearest Airport	Merced Yosemite Regional (MCE) 25 miles away

Precipitation & Snow

Annual Rainfall 38.7"

2% above US avg

Snowfall 3.8"

Wettest Month (Jan) 2.99"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	96.9 / 100
Social Vulnerability	61.7 / 100
Community Resilience	7.3 / 100

Hazard Breakdown

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

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

Earthquake History

7,718 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.

Sep 12, 1994	4 km S of Carter Springs, Nevada	M6.1	147 km	14 km
Jul 8, 2021	Antelope Valley, CA	M6.0	126 km	7 km
Oct 24, 1990	3 km NE of Mono City, California	M5.8	126 km	11 km
May 15, 1999	9 km WSW of Aspen Springs, California	M5.5	146 km	3 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	133 km	5 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	134 km	9 km
Sep 12, 1994	8 km ESE of Mesa Vista, California	M5.1	140 km	-1 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	133 km	7 km
Jul 8, 2021	32km SE of Markleeville, CA	M5.0	126 km	7 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	114 km	7 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	127 km	7 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	133 km	6 km
Apr 23, 1995	22 km NNE of Soledad, California	M4.9	135 km	7 km
Jul 15, 1998	8 km W of Aspen Springs, California	M4.9	146 km	4 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	134 km	5 km
Jun 9, 1998	8 km WNW of Aspen Springs, California	M4.9	147 km	5 km
Nov 30, 1997	2 km ESE of Mammoth Lakes, California	M4.9	134 km	5 km
Nov 22, 1997	3 km ESE of Mammoth Lakes, California	M4.9	135 km	5 km
Dec 22, 1995	California-Nevada border region	M4.9	138 km	4 km
Dec 28, 1995	9 km WNW of Topaz Lake, Nevada	M4.8	137 km	-1 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Apr 27, 1953	EF2	47 km	0.1 mi	0
Mar 11, 2023	EF1	30 km	0.8 mi	0
Jan 10, 2023	EF1	53 km	0.4 mi	0
Nov 15, 2015	EF1	34 km	3.0 mi	0
Apr 14, 2006	EF1	47 km	0.5 mi	0
Dec 16, 2002	EF1	37 km	1.3 mi	0
May 20, 2002	EF1	87 km	2.7 mi	0
Feb 14, 1998	EF1	88 km	3.0 mi	0
Dec 12, 1996	EF1	36 km	0.6 mi	0
Nov 22, 1996	EF1	37 km	0.2 mi	0
Jan 14, 1995	EF1	63 km	1.0 mi	0
Apr 19, 1988	EF1	83 km	0.2 mi	0
Mar 4, 1978	EF1	33 km	2.5 mi	0
Mar 4, 1978	EF1	44 km	1.0 mi	0
Mar 1, 1978	EF1	41 km	1.5 mi	0
May 31, 1967	EF1	81 km	0.1 mi	0
Apr 22, 1967	EF1	68 km	1.0 mi	0
Apr 21, 1967	EF1	85 km	0.1 mi	0
Apr 1, 1958	EF1	35 km	2.0 mi	0
Mar 1, 2024	EF0	80 km	0.4 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	144 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	144 km
1865	N. CALIFORNIA	Eruption + Earthquake	—	—	137 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Mammoth Mountain (126 km).

Name	Type	Elevation	Last Eruption	Distance
Mammoth Mountain	Lava dome(s)	3,369 m (11,053 ft)	1260	126 km
Mono-Inyo Craters	Lava dome(s)	2,796 m (9,173 ft)	1380	127 km
Mono Lake Volcanic Field	Pyroclastic cone(s)	2,121 m (6,959 ft)	1790	131 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SCU LIGHTNING COMPLEX (405,787 acres, 2020).

Year	Name	Acres Burned	Distance
2020	SCU LIGHTNING COMPLEX	405,787	93 km
2013	RIM	257,084	52 km
2018	FERGUSON	97,307	58 km
2017	DETWILER	83,297	33 km
2015	BUTTE	72,894	68 km
1996	ACKERSON COMPLEX (ACKERSON)	58,161	63 km
1987	PAPER	49,296	41 km
1987	LARSON	49,250	47 km
2007	LICK	47,424	98 km
1987	HAMM	39,333	38 km
2006	CANYON	36,851	85 km
2018	DONNELL	36,151	98 km
2008	TELEGRAPH	33,479	40 km
2022	OAK	19,408	54 km
1992	GULCH	18,019	58 km
1990	A-ROCK	17,706	59 km
1996	ROGGE	17,559	40 km
2003	ANNIE	17,383	84 km
2004	POWER	17,266	95 km
1996	MERCY	16,993	95 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	42°F (6°C)	3.0 in	Coldest, Wettest
February	50°F (10°C)	3.0 in
March	54°F (12°C)	3.0 in
April	59°F (15°C)	1.6 in
May	66°F (19°C)	0.4 in
June	74°F (23°C)	0.1 in
July	74°F (23°C)	0.0 in	Driest
August	79°F (26°C)	0.1 in	Warmest
September	74°F (23°C)	0.3 in
October	65°F (18°C)	1.0 in
November	53°F (12°C)	2.6 in
December	45°F (7°C)	2.5 in

La Grange has a seasonal temperature swing of 36°F / from 42°F in January to 79°F in August. Total annual precipitation is 17.5 inches, with January being the wettest month (3.0") and July the driest (0.0").

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