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Weather & Climate in Mountain View, CA

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

Mountain View enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 49°F in January while summers reach 69°F in July. The area gets 319 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 32.0 inches. The area receives 1.7 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 115 feet.

Temperature

49°F Jan (9°C) 69°F Jul (21°C)
Annual Average58.1°F
8% above US avg
January Average49°F (9°C)
July Average69°F (21°C)
Sunny Days319 days/yr

Geography

Elevation115 ft (35 m)
Area0.3 sq mi (0.8 km²)
Population Density284,010/sq mi
Coordinates38.0092°N, 122.1169°W
TimezoneAmerica/Los_Angeles
CountyMarin County County
Nearest AirportMetro Oakland International (OAK)
21 miles away

Precipitation & Snow

Annual Rainfall 32.0"
16% below US avg
Snowfall 1.7"
Wettest Month (Jan) 4.80"
Driest Month (Jul) 0.04"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score96.4 / 100
Social Vulnerability24.7 / 100
Community Resilience99.2 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively High
Wildfire Relatively Moderate
Flood Relatively High
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Relatively Low
Drought Relatively Low
Cold Wave No Rating
Landslide Relatively High
Coastal Flood Very High
Tsunami Relatively Moderate
Volcano Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

5,021 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 29 km 11 km
Apr 18, 1990 5 km NNW of Aromas, California M5.4 126 km 5 km
Apr 18, 1990 4 km E of Interlaken, California M5.1 123 km 7 km
Jan 16, 1993 9 km E of Gilroy, California M4.9 124 km 7 km
May 14, 2002 5 km SSW of Gilroy, California M4.9 125 km 7 km
Apr 19, 1996 2 km E of Aromas, California M4.9 133 km 5 km
Sep 3, 2000 5 km WSW of Yountville, California M4.9 49 km 9 km
Apr 18, 1990 4 km NNW of Aromas, California M4.9 127 km 6 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 M4.7 108 km 4 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 M4.7 127 km 4 km
Aug 11, 1993 14 km ESE of Alum Rock, California M4.7 87 km 9 km
Jan 2, 2025 4 km NW of Cobb, CA M4.7 108 km 1 km
Mar 24, 1991 1 km NNE of Interlaken, California M4.6 121 km 15 km
Aug 18, 1999 0 km S of Bolinas, California M4.6 51 km 8 km
Jan 11, 2000 6 km N of Geyserville, California M4.6 109 km 6 km
Feb 18, 2004 4 km WNW of Cobb, California M4.6 108 km 3 km
Sep 19, 2023 15 km SW of Westley, CA M4.5 96 km 4 km
Jan 12, 2014 8 km W of Cobb, California M4.5 108 km 2 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

69 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.

Date Rating Distance Path Fatalities
May 5, 1998 EF2 72 km 0.6 mi 0
Feb 7, 1978 EF2 96 km 1.9 mi 0
Jun 1, 1958 EF2 81 km 15.0 mi 0
Jan 11, 1951 EF2 71 km 5.7 mi 0
Mar 18, 2011 EF1 71 km 0.1 mi 0
Jan 23, 2010 EF1 33 km 1.6 mi 0
Mar 20, 2005 EF1 48 km 3.0 mi 0
Dec 5, 1998 EF1 71 km 1.5 mi 0
May 5, 1998 EF1 70 km 0.3 mi 0
Dec 23, 1996 EF1 76 km 6.0 mi 0
Feb 22, 1996 EF1 81 km 1.0 mi 0
Dec 2, 1992 EF1 81 km 7.5 mi 0
Dec 2, 1992 EF1 76 km 1.0 mi 0
Dec 2, 1992 EF1 86 km 3.0 mi 0
Apr 19, 1988 EF1 87 km 0.2 mi 0
Feb 27, 1983 EF1 71 km 0.8 mi 0
Jan 14, 1980 EF1 62 km 0.3 mi 0
May 31, 1967 EF1 72 km 0.1 mi 0
Nov 10, 1964 EF1 83 km 1.0 mi 0
Apr 1, 1958 EF1 48 km 0.2 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 34 km
1989 N. CALIFORNIA Earthquake 1.0 m 62 110 km
1856 N. CALIFORNIA Eruption + Earthquake 0.6 m — 59 km
1906 N. CALIFORNIA Eruption + Earthquake 0.1 m — 48 km
1865 N. CALIFORNIA Eruption + Earthquake — — 92 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (121 km).

Name Type Elevation Last Eruption Distance
Clear Lake Volcanic field 1,439 m (4,721 ft) Unknown 121 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 79 km
2020 HENNESSEY 314,241 70 km
2018 COUNTY 92,450 75 km
2020 CZU AUG LIGHTNING 85,894 96 km
2019 KINCADE 77,780 94 km
2015 VALLEY 77,507 97 km
2020 GLASS 68,020 71 km
2017 NUNS 56,883 51 km
2017 ATLAS 51,664 41 km
2004 RUMSEY 39,335 84 km
1999 SIXTEEN 37,162 90 km
2017 TUBBS 36,981 79 km
2006 CANYON 36,851 99 km
1988 MILLER 35,750 47 km
2024 CORRAL 16,138 71 km
2006 ZAM ASSIST 14,404 85 km
2004 GEYSERS 12,075 97 km
2009 CORRAL 12,006 72 km
1995 VISION 11,931 66 km
1985 LEXINGTON 11,550 98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (9°C) 4.8 in Wettest
February 51°F (11°C) 4.1 in
March 54°F (12°C) 3.2 in
April 58°F (15°C) 1.2 in
May 63°F (17°C) 0.5 in
June 68°F (20°C) 0.1 in
July 69°F (21°C) 0.0 in Driest
August 71°F (22°C) 0.1 in Warmest
September 69°F (21°C) 0.3 in
October 63°F (17°C) 1.2 in
November 54°F (12°C) 3.2 in
December 47°F (8°C) 3.4 in Coldest

Mountain View has a seasonal temperature swing of 24°F / from 47°F in December to 71°F in August. Total annual precipitation is 21.9 inches, with January being the wettest month (4.8") and July the driest (0.0").

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