Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sisquoc enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 52°F in January while summers reach 65°F in July / relatively mild seasonal variation. 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 18.2 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 452 feet.
Temperature
52°F Jan (11°C)65°F Jul (18°C)
Annual Average
58.4°F
8% above US avg
January Average
52°F (11°C)
July Average
65°F (18°C)
Sunny Days
330 days/yr
Geography
Elevation
452 ft (138 m)
Area
2.2 sq mi (5.8 km²)
Population Density
82/sq mi
Coordinates
34.8618°N, 120.2944°W
Timezone
America/Los_Angeles
County
Santa Barbara County County
Nearest Airport
San Luis Obispo County Regional (SBP) 29 miles away
Precipitation & Snow
Annual Rainfall18.2"
52% below US avg
Snowfall0.0"
Wettest Month (Feb)3.86"
Driest Month (Jun)0.04"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
99.0 / 100
Social Vulnerability
60.2 / 100
Community Resilience
60.9 / 100
Hazard Breakdown
Tornado
Very Low
Hurricane
No Rating
Earthquake
Relatively High
Wildfire
Relatively High
Flood
Relatively High
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Relatively Low
Winter Weather
Very Low
Lightning
Relatively Low
Drought
Very High
Cold Wave
Very Low
Landslide
Very High
Coastal Flood
Relatively Low
Tsunami
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,445 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.0.
Sep 28, 2004
2004 Parkfield, California Earthquake
M6.0
107 km
8 km
Apr 5, 2018
31km SW of Santa Cruz Is. (E end), CA
M5.3
127 km
10 km
Aug 7, 2024
24 km SW of Lamont, CA
M5.2
113 km
12 km
Sep 17, 1991
22 km NW of San Simeon, California
M5.2
142 km
9 km
May 28, 1993
21km SW of Lamont, California
M5.2
113 km
21 km
Aug 20, 2023
7 km SE of Ojai, CA
M5.1
113 km
5 km
Sep 29, 2004
8 km NW of Parkfield, California
M5.0
123 km
11 km
Dec 20, 1994
3 km NW of Parkfield, California
M4.9
118 km
8 km
Sep 30, 2004
13 km NW of Parkfield, California
M4.9
127 km
10 km
Feb 24, 2016
6km SSW of Wasco, CA
M4.9
113 km
22 km
Nov 14, 1993
8 km NW of Parkfield, California
M4.8
123 km
11 km
May 29, 2013
6km W of Isla Vista, CA
M4.8
61 km
7 km
Sep 28, 2004
12 km SE of Parkfield, California
M4.7
105 km
6 km
Aug 7, 2024
25 km SW of Lamont, CA
M4.6
111 km
12 km
Apr 16, 2005
20km ESE of Maricopa, CA
M4.6
102 km
9 km
Mar 17, 2004
9 km WSW of Oak Shores, California
M4.5
120 km
4 km
May 16, 2005
5 km NW of Parkfield, California
M4.5
120 km
9 km
Aug 6, 2012
8 km NW of Parkfield, California
M4.5
122 km
11 km
Aug 8, 2024
22 km NW of Grapevine, CA
M4.4
115 km
12 km
Dec 24, 2000
9km WSW of Grapevine, CA
M4.4
116 km
13 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
13 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1. Total: 3 injuries.
Date
Rating
Distance
Path
Fatalities
Feb 7, 2024
EF1
42 km
0.7 mi
0
Feb 7, 2024
EF1
68 km
4.9 mi
0
Mar 17, 1991
EF1
80 km
0.1 mi
0
Jan 3, 1977
EF1
65 km
0.1 mi
0
Mar 21, 2023
EF0
85 km
0.2 mi
0
Feb 23, 2015
EF0
83 km
0.5 mi
0
Jan 19, 2010
EF0
62 km
0.1 mi
0
Mar 29, 2006
EF0
29 km
—
0
Feb 2, 2004
EF0
41 km
0.5 mi
0
Nov 29, 2001
EF0
16 km
0.1 mi
0
May 5, 1998
EF0
58 km
0.3 mi
0
Mar 24, 1994
EF0
73 km
0.1 mi
0
Dec 29, 1991
EF0
26 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
4 tsunamis recorded within 500 km.
Highest wave on record: 3.4 m (11 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1812
S. CALIFORNIA
Eruption + Earthquake
3.4 m
1
82 km
1927
S. CALIFORNIA
Earthquake
1.8 m
—
44 km
1878
S. CALIFORNIA
Meteorological
1.0 m
1
53 km
1901
MONTEREY BAY, N. CALIFORNIA
Eruption + Earthquake
—
—
128 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: ZACA (241,846 acres, 2007).
Year
Name
Acres Burned
Distance
2007
ZACA
241,846
61 km
1985
WHEELER 2
126,854
95 km
1996
FIFTY-EIGHT
94,704
52 km
2009
LA BREA
84,213
26 km
1985
LAS PILITAS
75,841
51 km
1997
LOGAN
49,627
33 km
1994
41
48,441
69 km
1997
LOKERN
46,139
88 km
1993
MARRE
44,309
34 km
2016
REY
33,323
60 km
2017
ALAMO
29,256
11 km
1993
ORCHARD
22,309
100 km
2017
WHITTIER CA-LBOR-001770
18,510
48 km
2021
ALISAL
17,677
44 km
1999
SPANISH
14,518
34 km
2006
PERKINS
14,342
55 km
2024
HURRICANE
13,488
69 km
2016
CANYON
12,749
40 km
1989
CHISPA
9,869
69 km
2008
GAP
9,368
57 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
52°F (11°C)
3.8 in
February
52°F (11°C)
3.9 in
Wettest
March
52°F (11°C)
3.4 in
April
55°F (13°C)
1.5 in
May
58°F (15°C)
0.3 in
June
63°F (17°C)
0.0 in
July
65°F (18°C)
0.0 in
Driest
August
67°F (20°C)
0.1 in
Warmest
September
66°F (19°C)
0.4 in
October
62°F (17°C)
0.7 in
November
56°F (13°C)
2.2 in
December
51°F (10°C)
2.8 in
Coldest
Sisquoc has a seasonal temperature swing of 17°F / from 51°F in December to 67°F in August. Total annual precipitation is 18.9 inches, with February being the wettest month (3.9") and July the driest (0.0").