Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Taft Mosswood enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 48°F in January while summers reach 78°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 13.5 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 14 feet.
Temperature
48°F Jan (9°C)78°F Jul (26°C)
Annual Average
63.0°F
17% above US avg
January Average
48°F (9°C)
July Average
78°F (26°C)
Sunny Days
330 days/yr
Geography
Elevation
14 ft (4 m)
Area
0.5 sq mi (1.3 km²)
Population Density
2,551/sq mi
Coordinates
37.9120°N, 121.2822°W
Timezone
America/Los_Angeles
County
San Joaquin County County
Nearest Airport
Norman Y Mineta San Jose International (SJC) 52 miles away
Precipitation & Snow
Annual Rainfall13.5"
65% below US avg
Wettest Month (Jan)2.72"
Driest Month (Jul)0.04"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
98.6 / 100
Social Vulnerability
39.7 / 100
Community Resilience
47.0 / 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 High
Winter Weather
Relatively Low
Lightning
Relatively High
Drought
Very High
Cold Wave
No Rating
Landslide
Very Low
Volcano
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3,907 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
96 km
11 km
Apr 18, 1990
5 km NNW of Aromas, California
M5.4
114 km
5 km
Aug 12, 1998
10 km SW of Ridgemark, California
M5.1
130 km
9 km
Apr 18, 1990
4 km E of Interlaken, California
M5.1
112 km
7 km
Jan 16, 1993
9 km E of Gilroy, California
M4.9
101 km
7 km
May 14, 2002
5 km SSW of Gilroy, California
M4.9
109 km
7 km
Apr 23, 1995
22 km NNE of Soledad, California
M4.9
146 km
7 km
Apr 18, 1990
4 km NNW of Aromas, California
M4.9
114 km
6 km
Apr 19, 1996
2 km E of Aromas, California
M4.9
118 km
5 km
Sep 3, 2000
5 km WSW of Yountville, California
M4.9
112 km
9 km
Apr 18, 1990
4 km N of Aromas, California
M4.7
114 km
4 km
May 21, 1996
8 km ESE of East Foothills, California
M4.7
73 km
8 km
Aug 11, 1993
14 km ESE of Alum Rock, California
M4.7
75 km
9 km
Aug 27, 2011
21 km NE of Soledad, California
M4.6
148 km
8 km
Mar 24, 1991
1 km NNE of Interlaken, California
M4.6
112 km
15 km
Aug 18, 1999
0 km S of Bolinas, California
M4.6
123 km
8 km
Sep 19, 2023
15 km SW of Westley, CA
M4.5
53 km
4 km
Aug 3, 2006
5 km W of Glen Ellen, California
M4.5
125 km
9 km
Jan 12, 2011
9 km SSE of San Juan Bautista, California
M4.5
128 km
8 km
Apr 4, 2023
1km NNW of Tres Pinos, CA
M4.4
124 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
85 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 5 injuries.
Date
Rating
Distance
Path
Fatalities
May 5, 1998
EF2
89 km
0.6 mi
0
Feb 7, 1978
EF2
89 km
1.9 mi
0
Apr 27, 1953
EF2
38 km
0.1 mi
0
Jan 11, 1951
EF2
95 km
5.7 mi
0
Mar 11, 2023
EF1
66 km
0.8 mi
0
Jan 10, 2023
EF1
50 km
0.4 mi
0
Dec 24, 2015
EF1
89 km
6.2 mi
0
Nov 15, 2015
EF1
59 km
3.0 mi
0
Jan 23, 2010
EF1
42 km
1.6 mi
0
Apr 14, 2006
EF1
38 km
0.5 mi
0
Dec 16, 2002
EF1
93 km
1.3 mi
0
May 5, 1998
EF1
95 km
0.3 mi
0
Dec 12, 1996
EF1
41 km
0.6 mi
0
Nov 22, 1996
EF1
98 km
0.2 mi
0
Apr 19, 1988
EF1
86 km
1.0 mi
0
Apr 19, 1988
EF1
31 km
0.2 mi
0
Mar 22, 1983
EF1
90 km
2.0 mi
0
Jan 14, 1980
EF1
71 km
0.3 mi
0
Mar 4, 1978
EF1
67 km
1.0 mi
0
Mar 4, 1978
EF1
51 km
2.5 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
76 km
1989
N. CALIFORNIA
Earthquake
1.0 m
62
111 km
1856
N. CALIFORNIA
Eruption + Earthquake
0.6 m
—
101 km
1906
N. CALIFORNIA
Eruption + Earthquake
0.1 m
—
110 km
1865
N. CALIFORNIA
Eruption + Earthquake
—
—
96 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km.
Closest: Clear Lake (175 km).
Name
Type
Elevation
Last Eruption
Distance
Clear Lake
Volcanic field
1,439 m (4,721 ft)
Unknown
175 km
Mono Lake Volcanic Field
Pyroclastic cone(s)
2,121 m (6,959 ft)
1790
198 km
Mono-Inyo Craters
Lava dome(s)
2,796 m (9,173 ft)
1380
198 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
50 km
2015
BUTTE
72,894
72 km
2017
ATLAS
51,664
98 km
2007
LICK
47,424
78 km
2006
CANYON
36,851
62 km
1988
MILLER
35,750
91 km
1992
GULCH
18,019
77 km
2003
ANNIE
17,383
76 km
2024
CORRAL
16,138
34 km
2001
DARBY
14,734
91 km
2018
WAVERLY
12,238
40 km
2009
CORRAL
12,006
40 km
2001
CREEK
9,793
93 km
1992
MOCCASIN
9,565
87 km
1996
SCOTT
8,828
76 km
2015
WRAGG
8,455
93 km
2009
KNIGHT
8,140
97 km
2003
BIRD
7,727
40 km
2014
MONTICELLO
6,984
98 km
1984
SITE 300 3
6,911
34 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
48°F (9°C)
2.7 in
Wettest
February
51°F (11°C)
2.3 in
March
55°F (13°C)
2.3 in
April
60°F (15°C)
0.9 in
May
66°F (19°C)
0.4 in
June
72°F (22°C)
0.1 in
July
78°F (26°C)
0.0 in
Warmest, Driest
August
75°F (24°C)
0.1 in
September
72°F (22°C)
0.3 in
October
64°F (18°C)
0.8 in
November
53°F (12°C)
2.0 in
December
46°F (8°C)
2.0 in
Coldest
Taft Mosswood has a seasonal temperature swing of 33°F / from 46°F in December to 78°F in July. Total annual precipitation is 14.0 inches, with January being the wettest month (2.7") and July the driest (0.0").