Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Benjamin experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 308 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 20.2 inches (drier than the 38-inch national average). The area receives 66.0 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 4,533 feet.
Temperature
30°F Jan (-1°C)77°F Jul (25°C)
Annual Average
52.9°F
2% below US avg
January Average
30°F (-1°C)
July Average
77°F (25°C)
Sunny Days
308 days/yr
Geography
Elevation
4,533 ft (1,382 m)
Area
12.3 sq mi (31.9 km²)
Population Density
81/sq mi
Coordinates
40.0969°N, 111.7290°W
Timezone
America/Denver
County
Utah County County
Nearest Airport
Salt Lake City International (SLC) 50 miles away
Precipitation & Snow
Annual Rainfall20.2"
47% below US avg
Snowfall66.0"
Wettest Month (May)1.65"
Driest Month (Jun)0.83"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
95.3 / 100
Social Vulnerability
10.6 / 100
Community Resilience
83.2 / 100
Hazard Breakdown
Tornado
Relatively Low
Earthquake
Relatively High
Wildfire
Relatively High
Flood
Relatively Moderate
Hail
Very Low
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Very High
Ice Storm
Relatively Low
Drought
Relatively Moderate
Cold Wave
Relatively Low
Landslide
Relatively Low
Volcano
Very Low
Avalanche
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
650 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
79 km
12 km
Mar 18, 2020
6 km NNE of Magna, Utah
M4.6
79 km
9 km
Mar 18, 2020
5 km NE of Magna, Utah
M4.6
78 km
11 km
Jun 24, 1992
30 km WSW of Emery, Utah
M4.3
147 km
5 km
Apr 17, 2003
6 km SSW of Levan, Utah
M4.2
67 km
1 km
Apr 16, 2020
4 km NE of Magna, Utah
M4.2
76 km
10 km
Mar 18, 2020
1 km NNW of Magna, Utah
M4.2
77 km
9 km
Apr 15, 2020
4 km NE of Magna, Utah
M4.2
76 km
9 km
Mar 16, 1992
6 km S of Herriman, Utah
M4.2
48 km
12 km
Jun 29, 2014
6 km SE of Spring City, Utah
M4.2
77 km
9 km
Mar 7, 2000
7 km N of Helper, Utah
M4.2
84 km
-3 km
May 25, 2016
15 km NNE of Tabiona, Utah
M4.0
101 km
16 km
Mar 18, 2020
4 km NNE of Magna, Utah
M4.0
78 km
7 km
Mar 18, 2020
4 km NNE of Magna, Utah
M3.9
78 km
9 km
Jan 6, 1996
15 km SE of Castle Dale, Utah
M3.9
130 km
6 km
May 1, 2025
4 km WNW of Independence, Utah
M3.9
44 km
14 km
Mar 23, 2020
8 km NNE of Magna, Utah
M3.9
81 km
10 km
Mar 18, 2020
6 km NE of Magna, Utah
M3.9
78 km
10 km
Feb 6, 1991
7 km WNW of Hiawatha, Utah
M3.8
85 km
5 km
Oct 11, 1999
2 km W of Glenwood, Utah
M3.8
150 km
9 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
39 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 1 fatality, 82 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 19, 2022
EF2
87 km
2.1 mi
0
Sep 8, 2002
EF2
92 km
2.7 mi
0
Aug 11, 1999
EF2
71 km
4.3 mi
1
Feb 9, 1965
EF2
76 km
0.1 mi
0
Jun 3, 1963
EF2
88 km
2.0 mi
0
Jun 16, 1955
EF2
97 km
2.7 mi
0
Sep 2, 2021
EF1
86 km
2.1 mi
0
Jun 2, 1993
EF1
83 km
1.0 mi
0
May 3, 1993
EF1
76 km
0.1 mi
0
Jul 25, 1991
EF1
70 km
10.0 mi
0
Jul 8, 1989
EF1
58 km
0.2 mi
0
Mar 2, 1989
EF1
74 km
0.2 mi
0
Jan 10, 1989
EF1
55 km
0.2 mi
0
Dec 2, 1970
EF1
36 km
1.0 mi
0
Aug 14, 1968
EF1
76 km
0.1 mi
0
Apr 17, 1966
EF1
14 km
0.1 mi
0
Jul 9, 1965
EF1
33 km
0.4 mi
0
May 28, 2018
EF0
51 km
0.3 mi
0
Sep 7, 2013
EF0
33 km
0.1 mi
0
Jun 25, 2005
EF0
64 km
0.5 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km.
Closest: Black Rock Desert (142 km).
Name
Type
Elevation
Last Eruption
Distance
Black Rock Desert
Volcanic field
1,800 m (5,906 ft)
1290
142 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: LEAMINGTON COMPLEX (WASH) (161,203 acres, 1996).
Year
Name
Acres Burned
Distance
1996
LEAMINGTON COMPLEX (WASH)
161,203
55 km
2012
CLAY SPRINGS
107,391
87 km
2018
POLE CREEK
102,426
21 km
2020
CANAL
74,897
75 km
2018
DOLLAR RIDGE
69,817
73 km
1999
RAILROAD
64,598
61 km
2012
WOOD HOLLOW
46,763
44 km
2012
SEELEY
44,626
78 km
2009
BIG POLE
41,579
97 km
1994
SIMPSON BT
36,917
89 km
2017
DAVIS
35,071
78 km
1996
DAVIS KNOLL COMPLEX (DAVIS KNOLL)
34,843
80 km
2018
COAL HOLLOW
30,239
40 km
2013
PATCH SPRINGS
29,562
85 km
2000
OLDROYD COMPLEX (MONA WEST)
28,774
37 km
1996
LEAMINGTON COMPLEX (LEAMINGTON)
28,159
78 km
2007
SALT CREEK
26,924
43 km
2012
FAUST
22,155
75 km
2005
DITTO
22,041
97 km
2018
BALD MOUNTAIN
21,016
19 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
30°F (-1°C)
1.4 in
February
32°F (-0°C)
1.4 in
March
40°F (5°C)
1.6 in
April
48°F (9°C)
1.6 in
May
56°F (13°C)
1.7 in
Wettest
June
65°F (18°C)
0.8 in
Driest
July
77°F (25°C)
0.8 in
Warmest
August
71°F (21°C)
0.9 in
September
62°F (16°C)
1.3 in
October
50°F (10°C)
1.7 in
November
38°F (3°C)
1.6 in
December
28°F (-2°C)
1.3 in
Coldest
Benjamin has a seasonal temperature swing of 49°F / from 28°F in December to 77°F in July. Total annual precipitation is 16.0 inches, with May being the wettest month (1.7") and June the driest (0.8").