Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Farr West experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 29°F in January while summers reach 78°F in July. The area gets 316 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 18.8 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 4,251 feet.
Temperature
29°F Jan (-2°C)78°F Jul (26°C)
Annual Average
52.7°F
2% below US avg
January Average
29°F (-2°C)
July Average
78°F (26°C)
Sunny Days
316 days/yr
Geography
Elevation
4,251 ft (1,296 m)
Area
5.9 sq mi (15.3 km²)
Population Density
1,331/sq mi
Coordinates
41.3015°N, 112.0318°W
Timezone
America/Denver
County
Davis County County
Nearest Airport
Brigham City Regional (BMC) 18 miles away
Precipitation & Snow
Annual Rainfall18.8"
51% below US avg
Wettest Month (May)2.36"
Driest Month (Jul)0.75"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
87.8 / 100
Social Vulnerability
10.6 / 100
Community Resilience
97.9 / 100
Hazard Breakdown
Tornado
Relatively Low
Earthquake
Relatively Moderate
Wildfire
Relatively Moderate
Flood
Relatively Low
Hail
Very Low
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Very High
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Relatively Moderate
Coastal Flood
No Rating
Volcano
Very Low
Avalanche
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
540 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.7.
Mar 18, 2020
5 km NNE of Magna, Utah
M5.7
61 km
12 km
Sep 10, 2017
9 km NNW of Georgetown, Idaho
M5.0
149 km
10 km
Apr 15, 2010
9 km NE of Randolph, Utah
M4.9
91 km
10 km
Sep 11, 2017
9 km NW of Georgetown, Idaho
M4.7
147 km
8 km
Nov 4, 1992
67 km ENE of Montello, Nevada
M4.7
122 km
9 km
Sep 6, 2017
11 km NNW of Georgetown, Idaho
M4.6
149 km
10 km
Mar 18, 2020
6 km NNE of Magna, Utah
M4.6
60 km
9 km
Mar 18, 2020
5 km NE of Magna, Utah
M4.6
61 km
11 km
Jan 26, 2018
5 km NNW of Georgetown, Idaho
M4.4
147 km
10 km
May 5, 2024
16 km SW of Thatcher, Utah
M4.4
45 km
7 km
Sep 11, 2017
9 km NNW of Georgetown, Idaho
M4.3
148 km
2 km
Jun 30, 2006
12 km WSW of Georgetown, Idaho
M4.3
133 km
10 km
Jan 3, 2021
10 km NNW of Georgetown, Idaho
M4.2
149 km
5 km
Apr 16, 2020
4 km NE of Magna, Utah
M4.2
63 km
10 km
Mar 16, 1992
6 km S of Herriman, Utah
M4.2
94 km
12 km
Mar 18, 2020
1 km NNW of Magna, Utah
M4.2
65 km
9 km
Apr 15, 2020
4 km NE of Magna, Utah
M4.2
63 km
9 km
Sep 11, 2017
9 km NW of Georgetown, Idaho
M4.1
147 km
10 km
Sep 9, 2017
9 km NNW of Georgetown, Idaho
M4.1
149 km
7 km
Sep 11, 2017
11 km NW of Georgetown, Idaho
M4.1
148 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
54 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 1 fatality, 96 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 11, 1999
EF2
65 km
4.3 mi
1
Aug 14, 1968
EF2
7 km
1.5 mi
0
Feb 9, 1965
EF2
65 km
0.1 mi
0
Jun 3, 1963
EF2
49 km
2.0 mi
0
Sep 2, 2021
EF1
50 km
2.1 mi
0
Sep 22, 2016
EF1
16 km
2.9 mi
0
Aug 20, 1998
EF1
47 km
0.1 mi
0
May 29, 1996
EF1
5 km
1.3 mi
0
Jun 2, 1993
EF1
53 km
1.0 mi
0
May 3, 1993
EF1
79 km
0.1 mi
0
Sep 23, 1992
EF1
25 km
2.0 mi
0
Jul 25, 1991
EF1
82 km
10.0 mi
0
Sep 17, 1989
EF1
76 km
0.2 mi
0
Jul 8, 1989
EF1
79 km
0.2 mi
0
Mar 2, 1989
EF1
67 km
0.2 mi
0
Jan 10, 1989
EF1
81 km
0.2 mi
0
May 29, 1987
EF1
77 km
0.2 mi
0
May 21, 1986
EF1
94 km
5.0 mi
0
Jun 30, 1982
EF1
90 km
1.2 mi
0
May 6, 1981
EF1
63 km
0.5 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 3.6 m (12 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1909
UTAH
Earthquake
3.6 m
—
79 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: BIG POLE (41,579 acres, 2009).
Year
Name
Acres Burned
Distance
2009
BIG POLE
41,579
94 km
2001
UNNAMED
38,647
48 km
1995
REDLAM
35,405
98 km
1994
ELEVATOR
31,854
82 km
1995
PUDDLE VALLEY
31,249
89 km
2013
STATE
31,011
85 km
2007
MONARCH
25,046
80 km
2016
BROAD MOUTH
21,009
67 km
2005
SALLY
19,726
74 km
1996
SILVER HILL
17,137
80 km
2007
KIMBELL
16,949
85 km
2000
CASTLEROCK
16,718
65 km
1996
GOLDEN SPIKE
16,186
52 km
2011
LAKESIDE
16,165
79 km
2016
WEST ANTELOPE
15,483
45 km
2000
HOGUP
14,688
100 km
2018
GORING
14,538
67 km
2020
TABBY CANYON
14,330
64 km
2000
TAYLOR
12,633
97 km
1994
DRY CANYON 2
10,927
74 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
29°F (-2°C)
1.7 in
Coldest
February
32°F (0°C)
1.6 in
March
42°F (5°C)
1.9 in
April
49°F (10°C)
2.0 in
May
58°F (15°C)
2.4 in
Wettest
June
68°F (20°C)
1.1 in
July
78°F (26°C)
0.8 in
Warmest, Driest
August
74°F (23°C)
0.9 in
September
64°F (18°C)
1.5 in
October
51°F (11°C)
1.9 in
November
39°F (4°C)
1.7 in
December
29°F (-2°C)
1.5 in
Farr West has a seasonal temperature swing of 49°F / from 29°F in January to 78°F in July. Total annual precipitation is 18.8 inches, with May being the wettest month (2.4") and July the driest (0.8").