Weather & Climate in Fresno, CA

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

Fresno enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 47°F in January while summers reach 88°F in July. The area gets 324 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 27.2 inches (drier than the 38-inch national average). The area receives 3.8 inches of snow annually. Air quality is rated Moderate with a median AQI of 67 / residents may notice occasional air quality concerns. 19% of days have good air quality. The city sits at an elevation of 315 feet.

Temperature

47°F Jan (8°C) 88°F Jul (31°C)

Annual Average	63.9°F
	18% above US avg
January Average	47°F (8°C)
July Average	88°F (31°C)
Sunny Days	324 days/yr

Geography

Elevation	315 ft (96 m)
Area	112.3 sq mi (290.9 km²)
Population Density	4,690/sq mi
Coordinates	36.7827°N, 119.7934°W
Timezone	America/Los_Angeles
County	Fresno County County
Nearest Airport	Fresno Yosemite International (FAT) 4 miles away

Precipitation & Snow

Annual Rainfall 27.2"

29% below US avg

Snowfall 3.8"

Wettest Month (Mar) 2.13"

Driest Month (Jun) 0.16"

Air Quality

AQI Median	67.0
Rating	Moderate
Good Days %	19.4%
Unhealthy Days	79

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	99.3 / 100
Social Vulnerability	60.3 / 100
Community Resilience	16.6 / 100

Hazard Breakdown

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

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

Earthquake History

5,995 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 28, 2004	2004 Parkfield, California Earthquake	M6.0	119 km	8 km
May 15, 1999	9 km WSW of Aspen Springs, California	M5.5	120 km	3 km
Oct 21, 2012	24 km NE of San Lucas, California	M5.3	109 km	9 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	149 km	9 km
Sep 29, 2004	8 km NW of Parkfield, California	M5.0	112 km	11 km
Jun 9, 1998	8 km WNW of Aspen Springs, California	M4.9	126 km	5 km
Apr 23, 1995	22 km NNE of Soledad, California	M4.9	127 km	7 km
Jul 15, 1998	8 km W of Aspen Springs, California	M4.9	123 km	4 km
Dec 20, 1994	3 km NW of Parkfield, California	M4.9	113 km	8 km
Nov 30, 1997	2 km ESE of Mammoth Lakes, California	M4.9	121 km	5 km
Sep 30, 2004	13 km NW of Parkfield, California	M4.9	111 km	10 km
Feb 24, 2016	6km SSW of Wasco, CA	M4.9	143 km	22 km
Nov 22, 1997	3 km ESE of Mammoth Lakes, California	M4.9	122 km	5 km
Nov 14, 1993	8 km NW of Parkfield, California	M4.8	112 km	11 km
Dec 31, 1997	9 km ESE of Mammoth Lakes, California	M4.8	125 km	4 km
Feb 16, 2016	8 km S of Wilkerson, California	M4.8	132 km	15 km
Sep 28, 2004	12 km SE of Parkfield, California	M4.7	120 km	6 km
May 15, 1999	11 km WSW of Aspen Springs, California	M4.7	118 km	5 km
Aug 27, 2011	21 km NE of Soledad, California	M4.6	126 km	8 km
Jun 12, 2007	14km SE of Mammoth Lakes, CA	M4.6	118 km	8 km

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

Tornado History

79 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 5 injuries.

Date	Rating	Distance	Path	Fatalities
Sep 5, 2020	EF2	75 km	12.0 mi	0
Apr 5, 1980	EF2	47 km	15.0 mi	0
Mar 22, 1962	EF2	2 km	0.5 mi	0
Sep 5, 2020	EF1	74 km	1.1 mi	0
Jan 17, 2019	EF1	22 km	0.3 mi	0
Dec 16, 2002	EF1	89 km	1.3 mi	0
May 20, 2002	EF1	33 km	2.7 mi	0
Feb 14, 1998	EF1	62 km	3.0 mi	0
Nov 22, 1996	EF1	84 km	0.2 mi	0
Nov 22, 1996	EF1	52 km	0.8 mi	0
Jan 14, 1995	EF1	57 km	1.0 mi	0
Feb 28, 1991	EF1	57 km	0.2 mi	0
Mar 8, 1986	EF1	29 km	4.0 mi	0
Mar 28, 1982	EF1	28 km	5.0 mi	0
Feb 19, 1980	EF1	7 km	1.7 mi	0
Mar 14, 1979	EF1	23 km	2.0 mi	0
Apr 22, 1967	EF1	92 km	1.0 mi	0
Apr 22, 1967	EF1	79 km	0.1 mi	0
Apr 21, 1967	EF1	32 km	0.1 mi	0
May 19, 1957	EF1	10 km	0.1 mi	0

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

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1901	MONTEREY BAY, N. CALIFORNIA	Eruption + Earthquake	-	-	108 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Mammoth Mountain (116 km).

Name	Type	Elevation	Last Eruption	Distance
Mammoth Mountain	Lava dome(s)	3,369 m (11,053 ft)	1260	116 km
Mono-Inyo Craters	Lava dome(s)	2,796 m (9,173 ft)	1380	132 km
Golden Trout Creek	Volcanic field	2,886 m (9,469 ft)	-5550	140 km
Mono Lake Volcanic Field	Pyroclastic cone(s)	2,121 m (6,959 ft)	1790	151 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CREEK (381,441 acres, 2020).

Year	Name	Acres Burned	Distance
2020	CREEK	381,441	79 km
2015	ROUGH	146,369	81 km
2018	FERGUSON	97,307	95 km
2021	KNP COMPLEX	89,960	91 km
2017	DETWILER	83,297	90 km
2008	TELEGRAPH	33,479	94 km
2020	MINERAL	29,901	97 km
2013	ASPEN	23,564	74 km
1996	SKYLINE	21,694	90 km
1985	LOSGATOSIV	20,357	84 km
2022	OAK	19,408	85 km
2024	BOONE	17,701	98 km
1996	MERCY	16,993	92 km
1996	PANOCHE II	14,760	78 km
2014	FRENCH	14,534	69 km
2017	RAILROAD	12,765	75 km
2008	TEHIPITE	12,205	89 km
1989	POWERHOUSE	11,532	47 km
1986	DEER	10,963	77 km
2017	ELM 2	10,765	96 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (8°C)	2.1 in
February	52°F (11°C)	2.0 in
March	56°F (13°C)	2.1 in	Wettest
April	61°F (16°C)	0.8 in
May	69°F (21°C)	0.4 in
June	76°F (25°C)	0.2 in
July	88°F (31°C)	0.0 in	Warmest, Driest
August	81°F (27°C)	0.0 in
September	75°F (24°C)	0.3 in
October	66°F (19°C)	0.6 in
November	54°F (12°C)	1.2 in
December	46°F (8°C)	1.4 in	Coldest

Fresno has a seasonal temperature swing of 42°F / from 46°F in December to 88°F in July. Total annual precipitation is 11.1 inches, with March being the wettest month (2.1") and July the driest (0.0").

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