Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Granite experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 79°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 24.3 inches (drier than the 38-inch national average). The area receives 81.9 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 5,214 feet.
Temperature
30°F Jan (-1°C)79°F Jul (26°C)
Annual Average
53.2°F
1% below US avg
January Average
30°F (-1°C)
July Average
79°F (26°C)
Sunny Days
308 days/yr
Geography
Elevation
5,214 ft (1,589 m)
Area
1.3 sq mi (3.3 km²)
Population Density
789/sq mi
Coordinates
40.5757°N, 111.7913°W
Timezone
America/Denver
County
Salt Lake County County
Nearest Airport
Salt Lake City International (SLC) 18 miles away
Precipitation & Snow
Annual Rainfall24.3"
36% below US avg
Snowfall81.9"
Wettest Month (Mar)2.09"
Driest Month (Jun)1.26"
Air Quality
AQI Median
41.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively High
Risk Score
98.6 / 100
Social Vulnerability
10.6 / 100
Community Resilience
66.4 / 100
Hazard Breakdown
Tornado
Relatively Moderate
Earthquake
Relatively High
Wildfire
Relatively High
Flood
Relatively Moderate
Hail
Relatively Low
Strong Wind
Relatively Moderate
Heat Wave
Relatively Moderate
Winter Weather
Very High
Lightning
Relatively High
Ice Storm
Very Low
Drought
Relatively Low
Cold Wave
Relatively Low
Landslide
Relatively Low
Coastal Flood
No Rating
Volcano
Very Low
Avalanche
Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
526 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
31 km
12 km
Apr 15, 2010
9 km NE of Randolph, Utah
M4.9
139 km
10 km
Mar 18, 2020
6 km NNE of Magna, Utah
M4.6
31 km
9 km
Mar 18, 2020
5 km NE of Magna, Utah
M4.6
30 km
11 km
May 5, 2024
16 km SW of Thatcher, Utah
M4.4
123 km
7 km
Apr 17, 2003
6 km SSW of Levan, Utah
M4.2
119 km
1 km
Apr 16, 2020
4 km NE of Magna, Utah
M4.2
29 km
10 km
Mar 18, 2020
1 km NNW of Magna, Utah
M4.2
31 km
9 km
Apr 15, 2020
4 km NE of Magna, Utah
M4.2
29 km
9 km
Mar 16, 1992
6 km S of Herriman, Utah
M4.2
25 km
12 km
Jun 29, 2014
6 km SE of Spring City, Utah
M4.2
130 km
9 km
Mar 7, 2000
7 km N of Helper, Utah
M4.2
122 km
-3 km
May 25, 2016
15 km NNE of Tabiona, Utah
M4.0
97 km
16 km
Mar 18, 2020
4 km NNE of Magna, Utah
M4.0
31 km
7 km
Jun 3, 2009
5 km WNW of Riverside, Utah
M4.0
141 km
9 km
Mar 18, 2020
4 km NNE of Magna, Utah
M3.9
31 km
9 km
May 1, 2025
4 km WNW of Independence, Utah
M3.9
50 km
14 km
Mar 23, 2020
8 km NNE of Magna, Utah
M3.9
32 km
10 km
May 4, 2024
16 km SW of Thatcher, Utah
M3.9
123 km
6 km
Sep 24, 2019
5 km ENE of Howell, Utah
M3.9
147 km
7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
47 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
18 km
4.3 mi
1
Aug 14, 1968
EF2
79 km
1.5 mi
0
Feb 9, 1965
EF2
31 km
0.1 mi
0
Jun 3, 1963
EF2
35 km
2.0 mi
0
Sep 2, 2021
EF1
34 km
2.1 mi
0
Sep 22, 2016
EF1
68 km
2.9 mi
0
Aug 20, 1998
EF1
76 km
0.1 mi
0
May 29, 1996
EF1
82 km
1.3 mi
0
Jun 2, 1993
EF1
30 km
1.0 mi
0
May 3, 1993
EF1
43 km
0.1 mi
0
Sep 23, 1992
EF1
61 km
2.0 mi
0
Jul 25, 1991
EF1
39 km
10.0 mi
0
Jul 8, 1989
EF1
10 km
0.2 mi
0
Mar 2, 1989
EF1
30 km
0.2 mi
0
Jan 10, 1989
EF1
8 km
0.2 mi
0
Dec 2, 1970
EF1
27 km
1.0 mi
0
Aug 14, 1968
EF1
23 km
0.1 mi
0
Apr 17, 1966
EF1
51 km
0.1 mi
0
Jul 9, 1965
EF1
30 km
0.4 mi
0
May 28, 2018
EF0
74 km
0.3 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km.
Closest: Black Rock Desert (189 km).
Name
Type
Elevation
Last Eruption
Distance
Black Rock Desert
Volcanic field
1,800 m (5,906 ft)
1290
189 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
97 km
2018
POLE CREEK
102,426
70 km
2018
DOLLAR RIDGE
69,817
93 km
2012
WOOD HOLLOW
46,763
97 km
2012
DALLAS CANYON
43,386
98 km
2009
BIG POLE
41,579
73 km
2000
SALT LAKE DESERT COMPLEX (ARAGONITE)
39,825
98 km
1994
SIMPSON BT
36,917
98 km
1995
REDLAM
35,405
96 km
2017
DAVIS
35,071
82 km
1996
DAVIS KNOLL COMPLEX (DAVIS KNOLL)
34,843
83 km
1995
PUDDLE VALLEY
31,249
98 km
2018
COAL HOLLOW
30,239
83 km
2013
PATCH SPRINGS
29,562
74 km
2000
OLDROYD COMPLEX (MONA WEST)
28,774
85 km
2007
SALT CREEK
26,924
97 km
2007
MONARCH
25,046
97 km
2012
FAUST
22,155
81 km
2017
CEDAR MOUNTAIN
21,388
98 km
2018
BALD MOUNTAIN
21,016
73 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
30°F (-1°C)
1.9 in
February
27°F (-3°C)
1.9 in
March
32°F (-0°C)
2.1 in
Wettest
April
38°F (3°C)
1.9 in
May
47°F (8°C)
1.9 in
June
56°F (13°C)
1.3 in
Driest
July
79°F (26°C)
1.3 in
Warmest
August
64°F (18°C)
1.4 in
September
55°F (13°C)
1.7 in
October
44°F (7°C)
1.9 in
November
32°F (0°C)
2.0 in
December
25°F (-4°C)
2.0 in
Coldest
Granite has a seasonal temperature swing of 54°F / from 25°F in December to 79°F in July. Total annual precipitation is 21.2 inches, with March being the wettest month (2.1") and June the driest (1.3").