Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Greenfield enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 49°F in January while summers reach 84°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 6.7 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 344 feet.
Temperature
49°F Jan (9°C)84°F Jul (29°C)
Annual Average
65.1°F
21% above US avg
January Average
49°F (9°C)
July Average
84°F (29°C)
Sunny Days
330 days/yr
Geography
Elevation
344 ft (105 m)
Area
1.5 sq mi (3.8 km²)
Population Density
14,856/sq mi
Coordinates
35.2695°N, 119.0095°W
Timezone
America/Los_Angeles
County
Kern County County
Nearest Airport
Santa Barbara Municipal (SBA) 75 miles away
Precipitation & Snow
Annual Rainfall6.7"
83% below US avg
Wettest Month (Feb)1.22"
Driest Month (Jun)0.08"
Air Quality
AQI Median
48.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
98.9 / 100
Social Vulnerability
61.1 / 100
Community Resilience
6.5 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively High
Wildfire
Relatively High
Flood
Relatively High
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Relatively High
Winter Weather
Relatively Moderate
Lightning
Relatively High
Drought
Relatively High
Cold Wave
Very Low
Landslide
Relatively High
Volcano
Very Low
Avalanche
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
7,748 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.1.
Jul 6, 2019
Ridgecrest Earthquake Sequence
M7.1
139 km
8 km
Jan 17, 1994
Northridge, California, earthquake
M6.7
125 km
18 km
Jul 4, 2019
Ridgecrest Earthquake Sequence
M6.4
145 km
11 km
Sep 28, 2004
2004 Parkfield, California Earthquake
M6.0
137 km
8 km
Jan 17, 1994
1km ENE of Granada Hills, California
M5.9
120 km
5 km
Jun 28, 1991
The 1991 Sierra Madre, California Earthquake
M5.8
145 km
8 km
Sep 20, 1995
16km NNE of Ridgecrest, California
M5.8
136 km
5 km
Jul 11, 1992
12km NW of California City, California
M5.7
86 km
10 km
Jan 17, 1994
7km NNE of Simi Valley, California
M5.6
109 km
9 km
Jun 4, 2020
17km S of Searles Valley, CA
M5.5
148 km
8 km
Jul 6, 2019
15km ESE of Little Lake, CA
M5.5
134 km
5 km
Jul 6, 2019
20km E of Little Lake, CA
M5.4
139 km
7 km
Jul 5, 2019
16km W of Searles Valley, CA
M5.4
141 km
7 km
Aug 17, 1995
17km N of Ridgecrest, California
M5.4
134 km
5 km
Jan 18, 1994
10km ESE of Piru, California
M5.2
103 km
11 km
Mar 20, 1994
3km WNW of Panorama City, California
M5.2
125 km
12 km
Aug 7, 2024
24 km SW of Lamont, CA
M5.2
20 km
12 km
Jan 17, 1994
9km N of Chatsworth, California
M5.2
110 km
5 km
May 28, 1993
21km SW of Lamont, California
M5.2
16 km
21 km
Jan 7, 1996
16km N of Ridgecrest, California
M5.2
135 km
3 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
16 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1.
Date
Rating
Distance
Path
Fatalities
Mar 17, 1991
EF1
46 km
0.1 mi
0
Nov 1, 1964
EF1
82 km
1.0 mi
0
Jun 2, 2019
EF0
23 km
0.2 mi
0
Feb 23, 2015
EF0
75 km
0.5 mi
0
Nov 9, 2012
EF0
97 km
0.3 mi
0
Feb 27, 2010
EF0
24 km
0.5 mi
0
Sep 1, 2007
EF0
87 km
13.1 mi
0
Apr 3, 1999
EF0
10 km
0.1 mi
0
Mar 22, 1997
EF0
58 km
0.2 mi
0
Feb 17, 1997
EF0
11 km
0.3 mi
0
Nov 22, 1996
EF0
22 km
2.0 mi
0
Jun 26, 1995
EF0
100 km
2.0 mi
0
May 13, 1995
EF0
80 km
2.5 mi
0
Feb 23, 1993
EF0
50 km
0.1 mi
0
Feb 19, 1993
EF0
93 km
0.1 mi
0
Apr 20, 1988
EF0
41 km
0.2 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
3 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
144 km
1930
S. CALIFORNIA
Eruption + Earthquake
3.1 m
1
142 km
1994
WEST COAST, USA
Earthquake
0.1 m
57
125 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km.
Closest: Golden Trout Creek (136 km).
Name
Type
Elevation
Last Eruption
Distance
Golden Trout Creek
Volcanic field
2,886 m (9,469 ft)
-5550
136 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: THOMAS (281,982 acres, 2017).
Year
Name
Acres Burned
Distance
2017
THOMAS
281,982
94 km
2007
ZACA
241,846
87 km
2006
DAY
159,713
73 km
1985
WHEELER 2
126,854
90 km
2021
WINDY
97,831
86 km
2009
LA BREA
84,213
100 km
2003
PIRU
63,920
89 km
2016
ERSKINE
48,066
70 km
1985
FERNDALE
46,724
96 km
1997
LOKERN
46,139
45 km
2007
BUCKWEED
41,332
98 km
2007
RANCH
37,009
88 km
2017
PIER
36,626
99 km
2008
PIUTE
36,251
66 km
2013
POWERHOUSE
32,329
84 km
2020
LAKE
30,971
77 km
2016
CEDAR
29,191
70 km
2021
FRENCH
27,331
62 km
2011
BRECKENRIDGE COMPLEX
27,229
31 km
1993
STECKEL
26,202
100 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
49°F (9°C)
1.0 in
February
53°F (12°C)
1.2 in
Wettest
March
57°F (14°C)
1.2 in
April
62°F (17°C)
0.6 in
May
69°F (21°C)
0.2 in
June
76°F (24°C)
0.1 in
July
84°F (29°C)
0.0 in
Warmest, Driest
August
80°F (26°C)
0.1 in
September
75°F (24°C)
0.2 in
October
66°F (19°C)
0.3 in
November
55°F (13°C)
0.8 in
December
47°F (8°C)
0.7 in
Coldest
Greenfield has a seasonal temperature swing of 37°F / from 47°F in December to 84°F in July. Total annual precipitation is 6.4 inches, with February being the wettest month (1.2") and July the driest (0.0").