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Weather & Climate in Sunnyside, CA

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

Sunnyside enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 50°F in January while summers reach 85°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 11.8 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 320 feet.

Temperature

50°F Jan (10°C) 85°F Jul (29°C)
Annual Average66.7°F
24% above US avg
January Average50°F (10°C)
July Average85°F (29°C)
Sunny Days330 days/yr

Geography

Elevation320 ft (98 m)
Area1.9 sq mi (5.0 km²)
Population Density2,633/sq mi
Coordinates36.7294°N, 119.6945°W
TimezoneAmerica/Los_Angeles
CountyFresno County County
Nearest AirportFresno Yosemite International (FAT)
4 miles away

Precipitation & Snow

Annual Rainfall 11.8"
69% below US avg
Wettest Month (Mar) 2.13"
Driest Month (Jun) 0.16"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score99.3 / 100
Social Vulnerability60.3 / 100
Community Resilience16.6 / 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

5,921 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 28, 2004 2004 Parkfield, California Earthquake M6.0 118 km 8 km
May 15, 1999 9 km WSW of Aspen Springs, California M5.5 118 km 3 km
Oct 21, 2012 24 km NE of San Lucas, California M5.3 114 km 9 km
Sep 29, 2004 8 km NW of Parkfield, California M5.0 113 km 11 km
Dec 20, 1994 3 km NW of Parkfield, California M4.9 114 km 8 km
Jun 9, 1998 8 km WNW of Aspen Springs, California M4.9 124 km 5 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 M4.9 122 km 4 km
Sep 30, 2004 13 km NW of Parkfield, California M4.9 112 km 10 km
Nov 30, 1997 2 km ESE of Mammoth Lakes, California M4.9 121 km 5 km
Feb 24, 2016 6km SSW of Wasco, CA M4.9 135 km 22 km
Nov 22, 1997 3 km ESE of Mammoth Lakes, California M4.9 121 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 M4.8 124 km 4 km
Feb 16, 2016 8 km S of Wilkerson, California M4.8 126 km 15 km
Sep 28, 2004 12 km SE of Parkfield, California M4.7 118 km 6 km
May 15, 1999 11 km WSW of Aspen Springs, California M4.7 116 km 5 km
Aug 27, 2011 21 km NE of Soledad, California M4.6 134 km 8 km
Jun 12, 2007 14km SE of Mammoth Lakes, CA M4.6 116 km 8 km
Nov 22, 1997 California-Nevada border region M4.5 122 km 6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

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

Date Rating Distance Path Fatalities
Sep 5, 2020 EF2 76 km 12.0 mi 0
Apr 5, 1980 EF2 40 km 15.0 mi 0
Mar 22, 1962 EF2 12 km 0.5 mi 0
Sep 5, 2020 EF1 73 km 1.1 mi 0
Jan 17, 2019 EF1 17 km 0.3 mi 0
Dec 16, 2002 EF1 99 km 1.3 mi 0
May 20, 2002 EF1 44 km 2.7 mi 0
Feb 14, 1998 EF1 72 km 3.0 mi 0
Nov 22, 1996 EF1 49 km 0.8 mi 0
Nov 22, 1996 EF1 95 km 0.2 mi 0
Jan 14, 1995 EF1 67 km 1.0 mi 0
Feb 28, 1991 EF1 48 km 0.2 mi 0
Mar 8, 1986 EF1 20 km 4.0 mi 0
Mar 28, 1982 EF1 19 km 5.0 mi 0
Feb 19, 1980 EF1 5 km 1.7 mi 0
Mar 14, 1979 EF1 15 km 2.0 mi 0
Apr 22, 1967 EF1 87 km 0.1 mi 0
Apr 21, 1967 EF1 43 km 0.1 mi 0
Nov 1, 1964 EF1 96 km 1.0 mi 0
May 19, 1957 EF1 13 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 — — 109 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
Golden Trout Creek Volcanic field 2,886 m (9,469 ft) -5550 130 km
Mono-Inyo Craters Lava dome(s) 2,796 m (9,173 ft) 1380 133 km
Mono Lake Volcanic Field Pyroclastic cone(s) 2,121 m (6,959 ft) 1790 153 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 78 km
2015 ROUGH 146,369 73 km
2021 KNP COMPLEX 89,960 81 km
2017 DETWILER 83,297 99 km
2020 MINERAL 29,901 99 km
2013 ASPEN 23,564 74 km
1996 SKYLINE 21,694 87 km
1985 LOSGATOSIV 20,357 88 km
2022 OAK 19,408 92 km
1996 PANOCHE II 14,760 85 km
2014 FRENCH 14,534 69 km
2017 RAILROAD 12,765 80 km
2008 TEHIPITE 12,205 82 km
1989 POWERHOUSE 11,532 47 km
1986 DEER 10,963 69 km
2017 ELM 2 10,765 97 km
2005 COMB COMPLEX 10,211 93 km
2021 RIVER 10,183 68 km
2010 SHEEP COMPLEX 9,614 87 km
2006 THREE ROCKS 9,336 77 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 50°F (10°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 85°F (29°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

Sunnyside has a seasonal temperature swing of 39°F / from 46°F in December to 85°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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