Weather & Climate in Newman, CA

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

Newman enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 49°F in January while summers reach 81°F in July. Annual precipitation totals 11.7 inches (drier than the 38-inch national average). Air quality is rated Moderate with a median AQI of 53. 45% of days have good air quality. The city sits at an elevation of 89 feet.

Temperature

49°F Jan (10°C) 81°F Jul (27°C)

Annual Average	65.0°F
	20% above US avg
January Average	49°F (10°C)
July Average	81°F (27°C)

Geography

Elevation	89 ft (27 m)
Area	2.1 sq mi (5.3 km²)
Population Density	5,747/sq mi
Coordinates	37.3161°N, 121.0214°W
Timezone	America/Los_Angeles
County	Stanislaus County County
Nearest Airport	Merced Yosemite Regional (MCE) 29 miles away

Precipitation & Snow

Annual Rainfall 11.7"

69% below US avg

Snowfall 0.0"

Wettest Month (Jan) 2.66"

Driest Month (Sep) 0.04"

Air Quality

AQI Median	53.0
Rating	Moderate
Good Days %	45.4%
Unhealthy Days	38

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	96.9 / 100
Social Vulnerability	32.0 / 100
Community Resilience	33.9 / 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 Moderate
Winter Weather	Relatively Low
Lightning	Relatively High
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

4,544 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.

Apr 18, 1990	5 km NNW of Aromas, California	M5.4	71 km	5 km
Oct 21, 2012	24 km NE of San Lucas, California	M5.3	113 km	9 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	74 km	9 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	71 km	7 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	51 km	7 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	71 km	6 km
Apr 23, 1995	22 km NNE of Soledad, California	M4.9	81 km	7 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	71 km	5 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	64 km	7 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	62 km	8 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	70 km	4 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	58 km	9 km
Aug 27, 2011	21 km NE of Soledad, California	M4.6	83 km	8 km
Mar 24, 1991	1 km NNE of Interlaken, California	M4.6	74 km	15 km
Sep 19, 2023	15 km SW of Westley, CA	M4.5	28 km	4 km
Jan 12, 2011	9 km SSE of San Juan Bautista, California	M4.5	74 km	8 km
Jan 20, 2015	27 km ENE of Greenfield, California	M4.4	98 km	9 km
Apr 4, 2023	1km NNW of Tres Pinos, CA	M4.4	63 km	10 km
Sep 11, 1990	14 km S of Tres Pinos, California	M4.4	76 km	8 km
Apr 28, 1990	3 km SSE of North Gate, California	M4.4	105 km	7 km

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

Tornado History

86 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 9 injuries.

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	89 km	0.6 mi	0
Mar 11, 1985	EF2	62 km	0.5 mi	0
Apr 27, 1953	EF2	37 km	0.1 mi	0
Jan 11, 1951	EF2	97 km	5.7 mi	0
Dec 14, 2024	EF1	95 km	0.3 mi	0
Mar 11, 2023	EF1	81 km	0.8 mi	0
Jan 10, 2023	EF1	88 km	0.4 mi	0
Nov 15, 2015	EF1	30 km	3.0 mi	0
Jan 23, 2010	EF1	93 km	1.6 mi	0
Apr 14, 2006	EF1	37 km	0.5 mi	0
Dec 16, 2002	EF1	44 km	1.3 mi	0
May 20, 2002	EF1	91 km	2.7 mi	0
Dec 20, 2001	EF1	78 km	0.5 mi	0
May 5, 1998	EF1	97 km	0.3 mi	0
Feb 14, 1998	EF1	69 km	3.0 mi	0
Dec 12, 1996	EF1	53 km	0.6 mi	0
Nov 22, 1996	EF1	51 km	0.2 mi	0
Jan 14, 1995	EF1	70 km	1.0 mi	0
Apr 19, 1988	EF1	96 km	0.2 mi	0
Jan 14, 1980	EF1	78 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	104 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	82 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	-	115 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	-	137 km
1865	N. CALIFORNIA	Eruption + Earthquake	-	-	79 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Mammoth Mountain (179 km).

Name	Type	Elevation	Last Eruption	Distance
Mammoth Mountain	Lava dome(s)	3,369 m (11,053 ft)	1260	179 km
Mono-Inyo Craters	Lava dome(s)	2,796 m (9,173 ft)	1380	184 km
Mono Lake Volcanic Field	Pyroclastic cone(s)	2,121 m (6,959 ft)	1790	191 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	47 km
2017	DETWILER	83,297	84 km
2007	LICK	47,424	37 km
2006	CANYON	36,851	29 km
2008	TELEGRAPH	33,479	95 km
2003	ANNIE	17,383	22 km
1996	MERCY	16,993	53 km
2024	CORRAL	16,138	53 km
1996	PANOCHE II	14,760	90 km
2018	WAVERLY	12,238	78 km
1984	BONANZA	12,105	64 km
2009	CORRAL	12,006	51 km
1985	LEXINGTON	11,550	81 km
2001	CREEK	9,793	86 km
1992	MOCCASIN	9,565	86 km
2000	HUNTER	7,734	82 km
2003	BIRD	7,727	38 km
1985	PONOCHE 2	7,508	69 km
1984	SITE 300 3	6,911	55 km
2009	GLORIA	6,686	98 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	49°F (10°C)	2.7 in	Wettest
February	54°F (12°C)	2.2 in
March	58°F (15°C)	1.8 in
April	63°F (17°C)	0.7 in
May	70°F (21°C)	0.5 in
June	77°F (25°C)	0.1 in
July	81°F (27°C)	0.0 in	Warmest, Driest
August	79°F (26°C)	0.0 in
September	76°F (25°C)	0.0 in
October	68°F (20°C)	0.6 in
November	57°F (14°C)	1.1 in
December	49°F (10°C)	2.1 in	Coldest

Newman has a seasonal temperature swing of 32°F / from 49°F in December to 81°F in July. Total annual precipitation is 11.7 inches, with January being the wettest month (2.7") and July the driest (0.0").

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