Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Farmington experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 15°F in January while summers reach 72°F in July. The area gets 270 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 32.3 inches. The area receives 41.0 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 907 feet.
Temperature
15°F Jan (-9°C)72°F Jul (22°C)
Annual Average
45.7°F
15% below US avg
January Average
15°F (-9°C)
July Average
72°F (22°C)
Sunny Days
270 days/yr
Geography
Elevation
907 ft (276 m)
Area
14.9 sq mi (38.5 km²)
Population Density
1,526/sq mi
Coordinates
44.6592°N, 93.1687°W
Timezone
America/Chicago
County
Dakota County County
Nearest Airport
Minneapolis-St Paul International/Wold-Chamberlain (MSP) 16 miles away
Precipitation & Snow
Annual Rainfall32.3"
15% below US avg
Snowfall41.0"
Wettest Month (Jul)4.13"
Driest Month (Feb)0.75"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
89.5 / 100
Social Vulnerability
10.6 / 100
Community Resilience
92.5 / 100
Hazard Breakdown
Tornado
Relatively High
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively High
Strong Wind
Very High
Heat Wave
Relatively Moderate
Winter Weather
Relatively High
Lightning
Relatively High
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively High
Landslide
Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.1.
Feb 9, 1994
6 km NNE of Blomkest, Minnesota
M3.1
149 km
5 km
Apr 25, 2017
Near Mankato, Minnesota
M2.8
85 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
540 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 62 fatalities, 1,266 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 4, 1958
EF5
71 km
33.7 mi
21
Jul 3, 1983
EF4
64 km
1.0 mi
0
Apr 30, 1967
EF4
100 km
20.1 mi
6
May 6, 1965
EF4
36 km
6.9 mi
0
May 6, 1965
EF4
42 km
6.8 mi
3
May 6, 1965
EF4
48 km
12.3 mi
3
May 6, 1965
EF4
39 km
17.3 mi
6
Sep 16, 1962
EF4
96 km
0.5 mi
0
Jun 19, 1951
EF4
98 km
52.6 mi
1
Jun 17, 2010
EF3
89 km
4.3 mi
0
May 25, 2008
EF3
59 km
6.0 mi
1
Aug 24, 2006
EF3
98 km
33.0 mi
1
Mar 29, 1998
EF3
90 km
12.0 mi
1
Mar 29, 1998
EF3
72 km
6.0 mi
0
Jul 1, 1997
EF3
84 km
5.0 mi
0
Jun 16, 1992
EF3
93 km
10.0 mi
0
Jul 27, 1987
EF3
37 km
30.0 mi
0
Jul 23, 1987
EF3
60 km
5.0 mi
0
Apr 26, 1984
EF3
40 km
5.5 mi
1
Jun 14, 1981
EF3
20 km
16.2 mi
1
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: UNITS 37 38 39 A (4,879 acres, 2003).
Year
Name
Acres Burned
Distance
2003
UNITS 37 38 39 A
4,879
99 km
2007
WUI 07 - UNIT 36
4,025
98 km
2000
UNIT 25
3,412
98 km
2009
UNNAMED
2,904
67 km
2003
UNITS 34 33 W
2,637
99 km
1992
SHARPTAIL
2,288
98 km
2010
WUI 10 UNIT D
2,042
98 km
1996
UNNAMED
1,906
98 km
1995
ANTLER
1,603
98 km
2024
SNAKE TRAIL
1,496
64 km
1992
UNIT 25
1,460
100 km
1987
UNNAMED
1,280
98 km
2004
EAGAN
925
20 km
1995
UNNAMED
793
99 km
1990
CTY RD 5
733
100 km
1987
UNNAMED
606
100 km
1990
UNNAMED
598
29 km
2006
UNNAMED
576
100 km
1998
UNITS 3133
554
99 km
1995
LV 68 CARVER
532
36 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
15°F (-9°C)
0.9 in
Coldest
February
18°F (-8°C)
0.8 in
Driest
March
31°F (-1°C)
1.9 in
April
45°F (7°C)
2.6 in
May
58°F (15°C)
3.7 in
June
67°F (20°C)
4.1 in
July
72°F (22°C)
4.1 in
Warmest, Wettest
August
69°F (21°C)
4.1 in
September
60°F (16°C)
3.3 in
October
48°F (9°C)
2.3 in
November
32°F (-0°C)
1.9 in
December
18°F (-8°C)
1.0 in
Farmington has a seasonal temperature swing of 57°F / from 15°F in January to 72°F in July. Total annual precipitation is 30.6 inches, with July being the wettest month (4.1") and February the driest (0.8").