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Weather & Climate in Escalon, CA

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

Escalon enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 48°F in January while summers reach 79°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 12.3 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 115 feet.

Temperature

48°F Jan (9°C) 79°F Jul (26°C)
Annual Average63.1°F
17% above US avg
January Average48°F (9°C)
July Average79°F (26°C)
Sunny Days330 days/yr

Geography

Elevation115 ft (35 m)
Area2.3 sq mi (5.9 km²)
Population Density3,258/sq mi
Coordinates37.7913°N, 120.9996°W
TimezoneAmerica/Los_Angeles
CountyMerced County County
Nearest AirportMerced Yosemite Regional (MCE)
44 miles away

Precipitation & Snow

Annual Rainfall 12.3"
68% below US avg
Wettest Month (Jan) 2.52"
Driest Month (Jul) 0.04"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score96.9 / 100
Social Vulnerability61.7 / 100
Community Resilience7.3 / 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

4,354 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Aug 24, 2014 The 2014 South Napa, California Earthquake M6.0 124 km 11 km
Apr 18, 1990 5 km NNW of Aromas, California M5.4 112 km 5 km
Apr 18, 1990 4 km E of Interlaken, California M5.1 111 km 7 km
Aug 12, 1998 10 km SW of Ridgemark, California M5.1 122 km 9 km
Jan 16, 1993 9 km E of Gilroy, California M4.9 95 km 7 km
Apr 18, 1990 4 km NNW of Aromas, California M4.9 112 km 6 km
Apr 19, 1996 2 km E of Aromas, California M4.9 114 km 5 km
May 14, 2002 5 km SSW of Gilroy, California M4.9 106 km 7 km
Apr 23, 1995 22 km NNE of Soledad, California M4.9 133 km 7 km
Sep 3, 2000 5 km WSW of Yountville, California M4.9 140 km 9 km
May 21, 1996 8 km ESE of East Foothills, California M4.7 80 km 8 km
Apr 18, 1990 4 km N of Aromas, California M4.7 112 km 4 km
Aug 11, 1993 14 km ESE of Alum Rock, California M4.7 80 km 9 km
Aug 27, 2011 21 km NE of Soledad, California M4.6 135 km 8 km
Jul 8, 2021 29km ENE of Dardanelle, CA M4.6 149 km 2 km
Mar 24, 1991 1 km NNE of Interlaken, California M4.6 112 km 15 km
Aug 18, 1999 0 km S of Bolinas, California M4.6 149 km 8 km
Sep 19, 2023 15 km SW of Westley, CA M4.5 47 km 4 km
Jan 12, 2011 9 km SSE of San Juan Bautista, California M4.5 122 km 8 km
Apr 4, 2023 1km NNW of Tres Pinos, CA M4.4 114 km 10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

73 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 2 injuries.

Date Rating Distance Path Fatalities
Apr 27, 1953 EF2 16 km 0.1 mi 0
Mar 11, 2023 EF1 44 km 0.8 mi 0
Jan 10, 2023 EF1 39 km 0.4 mi 0
Nov 15, 2015 EF1 33 km 3.0 mi 0
Jan 23, 2010 EF1 69 km 1.6 mi 0
Apr 14, 2006 EF1 16 km 0.5 mi 0
Dec 16, 2002 EF1 67 km 1.3 mi 0
Dec 12, 1996 EF1 13 km 0.6 mi 0
Nov 22, 1996 EF1 71 km 0.2 mi 0
Jan 14, 1995 EF1 99 km 1.0 mi 0
Apr 19, 1988 EF1 100 km 1.0 mi 0
Apr 19, 1988 EF1 44 km 0.2 mi 0
Jan 14, 1980 EF1 85 km 0.3 mi 0
Mar 4, 1978 EF1 43 km 1.0 mi 0
Mar 4, 1978 EF1 23 km 2.5 mi 0
Mar 1, 1978 EF1 15 km 1.5 mi 0
May 31, 1967 EF1 33 km 0.1 mi 0
Apr 22, 1967 EF1 80 km 1.0 mi 0
Apr 1, 1958 EF1 41 km 2.0 mi 0
Jan 14, 2023 EF0 60 km 0.3 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

5 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 97 km
1989 N. CALIFORNIA Earthquake 1.0 m 62 115 km
1856 N. CALIFORNIA Eruption + Earthquake 0.6 m — 119 km
1906 N. CALIFORNIA Eruption + Earthquake 0.1 m — 132 km
1865 N. CALIFORNIA Eruption + Earthquake — — 103 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Mono-Inyo Craters (173 km).

Name Type Elevation Last Eruption Distance
Mono-Inyo Craters Lava dome(s) 2,796 m (9,173 ft) 1380 173 km
Mammoth Mountain Lava dome(s) 3,369 m (11,053 ft) 1260 174 km
Mono Lake Volcanic Field Pyroclastic cone(s) 2,121 m (6,959 ft) 1790 174 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 55 km
2013 RIM 257,084 92 km
2017 DETWILER 83,297 82 km
2015 BUTTE 72,894 64 km
1987 PAPER 49,296 77 km
1987 LARSON 49,250 94 km
2007 LICK 47,424 74 km
1987 HAMM 39,333 83 km
2006 CANYON 36,851 57 km
2008 TELEGRAPH 33,479 89 km
1992 GULCH 18,019 63 km
1996 ROGGE 17,559 79 km
2003 ANNIE 17,383 66 km
2024 CORRAL 16,138 44 km
2001 DARBY 14,734 76 km
2018 WAVERLY 12,238 27 km
2009 CORRAL 12,006 48 km
2023 QUARRY 11,098 100 km
2001 CREEK 9,793 67 km
1992 MOCCASIN 9,565 62 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 48°F (9°C) 2.5 in Wettest
February 51°F (10°C) 2.2 in
March 55°F (13°C) 2.4 in
April 60°F (15°C) 1.1 in
May 66°F (19°C) 0.2 in
June 73°F (23°C) 0.1 in
July 79°F (26°C) 0.0 in Warmest, Driest
August 76°F (24°C) 0.1 in
September 72°F (22°C) 0.3 in
October 64°F (18°C) 0.8 in
November 53°F (12°C) 2.2 in
December 45°F (7°C) 1.9 in Coldest

Escalon has a seasonal temperature swing of 34°F / from 45°F in December to 79°F in July. Total annual precipitation is 13.9 inches, with January being the wettest month (2.5") and July the driest (0.0").

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