Weather & Climate in El Macero, CA

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

El Macero enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 47°F in January while summers reach 75°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 19.2 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 30 feet.

Temperature

47°F Jan (8°C) 75°F Jul (24°C)

Annual Average	61.6°F
	14% above US avg
January Average	47°F (8°C)
July Average	75°F (24°C)
Sunny Days	330 days/yr

Geography

Elevation	30 ft (9 m)
Area	0.6 sq mi (1.5 km²)
Population Density	1,771/sq mi
Coordinates	38.5440°N, 121.6852°W
Timezone	America/Los_Angeles
County	Yolo County County
Nearest Airport	Sacramento International (SMF) 12 miles away

Precipitation & Snow

Annual Rainfall 19.2"

50% below US avg

Snowfall 0.0"

Wettest Month (Jan) 4.09"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	91.4 / 100
Social Vulnerability	24.2 / 100
Community Resilience	69.4 / 100

Hazard Breakdown

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

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

Earthquake History

4,122 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	66 km	11 km
Aug 10, 2016	20 km NNE of Upper Lake, California	M5.1	130 km	14 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	66 km	9 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	93 km	7 km
May 12, 2006	7 km W of Cobb, California	M4.7	103 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	132 km	8 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	137 km	9 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	99 km	1 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	113 km	8 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	110 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	99 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	103 km	2 km
Sep 19, 2023	15 km SW of Westley, CA	M4.5	128 km	4 km
Sep 25, 2012	3 km N of Talmage, California	M4.5	146 km	11 km
Aug 3, 2006	5 km W of Glen Ellen, California	M4.5	81 km	9 km
Jun 8, 2024	7 km NW of The Geysers, CA	M4.5	103 km	4 km
Sep 19, 1992	7 km NW of Cobb, California	M4.5	102 km	3 km
Apr 24, 2007	7 km WSW of Cobb, California	M4.5	100 km	2 km
Jun 3, 2023	2km NW of The Geysers, CA	M4.5	99 km	4 km
Mar 14, 2013	5 km W of Cobb, California	M4.4	100 km	1 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Feb 7, 1978	EF2	27 km	1.9 mi	0
Jan 10, 2023	EF1	96 km	0.4 mi	0
Dec 24, 2015	EF1	53 km	6.2 mi	0
Oct 22, 2012	EF1	76 km	4.0 mi	0
Oct 22, 2012	EF1	61 km	0.3 mi	0
Oct 22, 2012	EF1	58 km	2.0 mi	0
Mar 18, 2011	EF1	90 km	0.1 mi	0
Jan 23, 2010	EF1	71 km	1.6 mi	0
Dec 5, 1998	EF1	89 km	1.5 mi	0
Feb 22, 1996	EF1	91 km	1.0 mi	0
Jan 7, 1993	EF1	98 km	0.1 mi	0
Dec 17, 1992	EF1	90 km	5.0 mi	0
Dec 2, 1992	EF1	99 km	3.0 mi	0
Apr 19, 1988	EF1	63 km	0.2 mi	0
Apr 19, 1988	EF1	47 km	1.0 mi	0
Mar 22, 1983	EF1	35 km	2.0 mi	0
Feb 27, 1983	EF1	89 km	0.8 mi	0
Jun 28, 1970	EF1	90 km	2.3 mi	0
May 31, 1967	EF1	72 km	0.1 mi	0
Nov 10, 1964	EF1	97 km	1.0 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	101 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	128 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	—	118 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (105 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	105 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	53 km
2015	ROCKY	96,125	78 km
2018	COUNTY	92,450	44 km
2019	KINCADE	77,780	96 km
2015	VALLEY	77,507	85 km
2020	GLASS	68,020	75 km
2017	NUNS	56,883	75 km
2017	ATLAS	51,664	52 km
2004	RUMSEY	39,335	56 km
1999	SIXTEEN	37,162	63 km
2017	TUBBS	36,981	87 km
1988	49R	36,673	88 km
1988	MILLER	35,750	38 km
2012	SIXTEEN COMPLEX	18,191	75 km
2017	CASCADE	16,155	95 km
2006	ZAM ASSIST	14,404	30 km
2008	WALKER	12,441	90 km
2018	WAVERLY	12,238	95 km
2004	GEYSERS	12,075	94 km
1996	SCOTT	8,828	56 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (8°C)	4.1 in	Wettest
February	51°F (10°C)	3.5 in
March	55°F (13°C)	2.9 in
April	60°F (15°C)	1.0 in
May	66°F (19°C)	0.5 in
June	72°F (22°C)	0.2 in
July	75°F (24°C)	0.0 in	Warmest, Driest
August	74°F (23°C)	0.0 in
September	71°F (22°C)	0.3 in
October	64°F (18°C)	1.0 in
November	53°F (12°C)	2.6 in
December	45°F (7°C)	2.9 in	Coldest

El Macero has a seasonal temperature swing of 30°F / from 45°F in December to 75°F in July. Total annual precipitation is 19.0 inches, with January being the wettest month (4.1") and July the driest (0.0").

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