Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seaforth has a cool climate with an average annual temperature of 44°F (7°C). Winters average 14°F in January while summers reach 72°F in July. The area gets 276 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 29.3 inches (drier than the 38-inch national average). The area receives 46.3 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 1,069 feet.
Temperature
14°F Jan (-10°C)72°F Jul (22°C)
Annual Average
44.4°F
18% below US avg
January Average
14°F (-10°C)
July Average
72°F (22°C)
Sunny Days
276 days/yr
Geography
Elevation
1,069 ft (326 m)
Area
1.0 sq mi (2.6 km²)
Population Density
101/sq mi
Coordinates
44.4759°N, 95.3359°W
Timezone
America/Chicago
County
Redwood County County
Nearest Airport
Southwest Minnesota Regional Marshall/Ryan Field (MML) 24 miles away
Precipitation & Snow
Annual Rainfall29.3"
23% below US avg
Snowfall46.3"
Wettest Month (Jul)3.70"
Driest Month (Jan)0.67"
Air Quality
AQI Median
36.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
35.1 / 100
Social Vulnerability
36.8 / 100
Community Resilience
92.6 / 100
Hazard Breakdown
Tornado
Relatively Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Relatively Low
Hail
Relatively Moderate
Strong Wind
Relatively Moderate
Heat Wave
Relatively Low
Winter Weather
Relatively Moderate
Lightning
Very Low
Ice Storm
Relatively Low
Drought
Relatively Moderate
Cold Wave
Relatively Moderate
Landslide
Very 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
64 km
5 km
Apr 25, 2017
Near Mankato, Minnesota
M2.8
111 km
0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
446 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF5. Total: 17 fatalities, 363 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 16, 1992
EF5
93 km
16.0 mi
1
Jun 13, 1968
EF5
47 km
9.1 mi
9
Jul 25, 2000
EF4
54 km
9.0 mi
1
Mar 29, 1998
EF4
61 km
73.5 mi
1
Jun 16, 1992
EF4
74 km
7.0 mi
0
Jul 7, 1955
EF4
69 km
30.0 mi
1
Jun 19, 1951
EF4
89 km
52.6 mi
1
Jul 11, 2008
EF3
68 km
8.0 mi
0
Aug 24, 2006
EF3
88 km
33.0 mi
1
Aug 1, 2006
EF3
81 km
1.5 mi
0
Mar 29, 1998
EF3
95 km
12.0 mi
1
Jun 16, 1992
EF3
14 km
13.0 mi
0
Jun 16, 1992
EF3
53 km
6.0 mi
0
Jun 16, 1992
EF3
50 km
2.5 mi
0
Jun 16, 1992
EF3
57 km
12.0 mi
0
Jun 16, 1992
EF3
34 km
16.0 mi
0
Apr 20, 1985
EF3
88 km
8.0 mi
0
May 6, 1965
EF3
95 km
15.5 mi
0
May 12, 2022
EF2
95 km
0.4 mi
0
Jul 11, 2016
EF2
95 km
3.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km.
Largest: CHIPPEWA PRAIRIE (2,067 acres, 2003).
Year
Name
Acres Burned
Distance
2003
CHIPPEWA PRAIRIE
2,067
92 km
2000
SVOR
661
100 km
2024
LINCOLN WPA RX
575
98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
14°F (-10°C)
0.7 in
Coldest, Driest
February
19°F (-7°C)
0.7 in
March
31°F (-1°C)
1.6 in
April
46°F (8°C)
2.8 in
May
59°F (15°C)
3.2 in
June
69°F (21°C)
3.5 in
July
72°F (22°C)
3.7 in
Warmest, Wettest
August
70°F (21°C)
2.9 in
September
61°F (16°C)
2.9 in
October
48°F (9°C)
2.2 in
November
31°F (-0°C)
1.3 in
December
17°F (-8°C)
0.7 in
Seaforth has a seasonal temperature swing of 58°F / from 14°F in January to 72°F in July. Total annual precipitation is 26.1 inches, with July being the wettest month (3.7") and January the driest (0.7").