Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Benson experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 23°F in January while summers reach 72°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 16.6 inches (drier than the 38-inch national average). The area receives 44.0 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 4,413 feet.
Temperature
23°F Jan (-5°C)72°F Jul (22°C)
Annual Average
47.1°F
13% below US avg
January Average
23°F (-5°C)
July Average
72°F (22°C)
Sunny Days
316 days/yr
Geography
Elevation
4,413 ft (1,345 m)
Area
30.1 sq mi (78.0 km²)
Population Density
62/sq mi
Coordinates
41.7529°N, 111.9259°W
Timezone
America/Denver
County
Cache County County
Nearest Airport
Brigham City Regional (BMC) 15 miles away
Precipitation & Snow
Annual Rainfall16.6"
56% below US avg
Snowfall44.0"
Wettest Month (May)2.20"
Driest Month (Jul)0.91"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Low
Risk Score
66.5 / 100
Social Vulnerability
10.6 / 100
Community Resilience
76.5 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Moderate
Wildfire
Relatively Low
Flood
Relatively Low
Hail
Very Low
Strong Wind
Relatively Low
Heat Wave
Relatively Low
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Very Low
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Relatively Low
Avalanche
Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,318 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.8.
Feb 3, 1994
4 km SSE of Auburn, Wyoming
M5.8
137 km
8 km
Mar 18, 2020
5 km NNE of Magna, Utah
M5.7
112 km
12 km
Sep 2, 2017
12 km E of Soda Springs, Idaho
M5.3
107 km
10 km
Apr 21, 2001
29 km WSW of Freedom, Idaho
M5.3
137 km
1 km
Sep 10, 2017
9 km NNW of Georgetown, Idaho
M5.0
99 km
10 km
Apr 15, 2010
9 km NE of Randolph, Utah
M4.9
69 km
10 km
Feb 11, 1994
3 km SSE of Auburn, Wyoming
M4.8
136 km
5 km
Sep 3, 2017
10 km E of Soda Springs, Idaho
M4.7
105 km
8 km
Sep 3, 2017
15 km ESE of Soda Springs, Idaho
M4.7
104 km
10 km
Feb 4, 1994
4 km WNW of Fairview, Wyoming
M4.7
130 km
5 km
Sep 10, 2017
12 km ESE of Soda Springs, Idaho
M4.7
102 km
5 km
Sep 11, 2017
9 km NW of Georgetown, Idaho
M4.7
97 km
8 km
Nov 4, 1992
67 km ENE of Montello, Nevada
M4.7
130 km
9 km
Sep 6, 2017
11 km NNW of Georgetown, Idaho
M4.6
99 km
10 km
Mar 18, 2020
6 km NNE of Magna, Utah
M4.6
111 km
9 km
Mar 18, 2020
5 km NE of Magna, Utah
M4.6
112 km
11 km
Feb 7, 1994
4 km SW of Fairview, Wyoming
M4.5
125 km
5 km
Sep 4, 2017
13 km ESE of Soda Springs, Idaho
M4.5
104 km
6 km
Jan 26, 2018
5 km NNW of Georgetown, Idaho
M4.4
97 km
10 km
Feb 3, 1994
2 km SW of Auburn, Wyoming
M4.4
136 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
40 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2. Total: 14 injuries.
Date
Rating
Distance
Path
Fatalities
Aug 14, 1968
EF2
57 km
1.5 mi
0
Jun 3, 1963
EF2
97 km
2.0 mi
0
Sep 2, 2021
EF1
100 km
2.1 mi
0
Sep 22, 2016
EF1
66 km
2.9 mi
0
Aug 20, 1998
EF1
70 km
0.1 mi
0
May 29, 1996
EF1
51 km
1.3 mi
0
Sep 23, 1992
EF1
76 km
2.0 mi
0
Sep 17, 1989
EF1
25 km
0.2 mi
0
May 29, 1987
EF1
26 km
0.2 mi
0
May 21, 1986
EF1
53 km
5.0 mi
0
May 21, 1986
EF1
76 km
0.5 mi
0
Jun 30, 1982
EF1
39 km
1.2 mi
0
May 6, 1981
EF1
14 km
0.5 mi
0
Jun 23, 1965
EF1
70 km
0.6 mi
0
May 25, 1954
EF1
51 km
0.5 mi
0
May 28, 2018
EF0
70 km
0.1 mi
0
Jul 7, 2013
EF0
73 km
1.0 mi
0
May 3, 2009
EF0
40 km
1.0 mi
0
Jul 25, 2007
EF0
23 km
0.3 mi
0
Aug 2, 2005
EF0
81 km
5.0 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
—
64 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Wapi Lava Field (164 km).
Name
Type
Elevation
Last Eruption
Distance
Wapi Lava Field
Shield
1,604 m (5,262 ft)
-300
164 km
Hell's Half Acre
Shield
1,631 m (5,351 ft)
-3250
199 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: STONE 2 (50,677 acres, 2006).
Year
Name
Acres Burned
Distance
2006
STONE 2
50,677
82 km
2001
UNNAMED
38,647
56 km
1994
ELEVATOR
31,854
45 km
2013
STATE
31,011
46 km
2016
BROAD MOUTH
21,009
34 km
1996
GOLDEN SPIKE
16,186
56 km
2007
CLEVELAND
16,172
63 km
2016
WEST ANTELOPE
15,483
96 km
1999
BRIDGER BA
15,227
84 km
2018
GORING
14,538
37 km
2018
NORTH EDEN
14,398
75 km
2007
RED CANYON RX BURN-H
13,464
97 km
2007
COW CANYON
13,447
89 km
2017
WILDCAT
13,100
93 km
1992
MEADOW DIVIDE
12,968
89 km
2000
TAYLOR
12,633
65 km
1988
METCALF
11,946
70 km
1994
DRY CANYON 2
10,927
55 km
2007
MITCHELL
10,466
94 km
2006
BURNT
9,103
96 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
23°F (-5°C)
1.5 in
Coldest
February
27°F (-3°C)
1.5 in
March
38°F (3°C)
1.8 in
April
47°F (8°C)
1.9 in
May
55°F (13°C)
2.2 in
Wettest
June
64°F (18°C)
1.3 in
July
72°F (22°C)
0.9 in
Warmest, Driest
August
70°F (21°C)
0.9 in
September
60°F (16°C)
1.5 in
October
48°F (9°C)
1.8 in
November
35°F (2°C)
1.5 in
December
25°F (-4°C)
1.5 in
Benson has a seasonal temperature swing of 49°F / from 23°F in January to 72°F in July. Total annual precipitation is 18.0 inches, with May being the wettest month (2.2") and July the driest (0.9").