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Weather & Climate in South St. Paul, MN

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

South St. Paul experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 16°F in January while summers reach 73°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 29.2 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 827 feet.

Temperature

16°F Jan (-9°C) 73°F Jul (23°C)
Annual Average46.5°F
14% below US avg
January Average16°F (-9°C)
July Average73°F (23°C)
Sunny Days276 days/yr

Geography

Elevation827 ft (252 m)
Area6.1 sq mi (15.9 km²)
Population Density3,665/sq mi
Coordinates44.8880°N, 93.0405°W
TimezoneAmerica/Chicago
CountyDakota County County
Nearest AirportMinneapolis-St Paul International/Wold-Chamberlain (MSP)
9 miles away

Precipitation & Snow

Annual Rainfall 29.2"
23% below US avg
Wettest Month (Jun) 4.29"
Driest Month (Feb) 0.75"

Air Quality

AQI Median36.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score89.5 / 100
Social Vulnerability10.6 / 100
Community Resilience92.5 / 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

1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.8.

Apr 25, 2017 Near Mankato, Minnesota M2.8 109 km 0 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tornado History

489 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 55 fatalities, 1,190 injuries.

Date Rating Distance Path Fatalities
Jun 4, 1958 EF5 56 km 33.7 mi 21
Jul 3, 1983 EF4 43 km 1.0 mi 0
May 6, 1965 EF4 39 km 6.9 mi 0
May 6, 1965 EF4 25 km 6.8 mi 3
May 6, 1965 EF4 29 km 17.3 mi 6
May 6, 1965 EF4 57 km 12.3 mi 3
May 21, 1957 EF4 78 km 9.2 mi 0
May 16, 2017 EF3 80 km 82.5 mi 1
May 25, 2008 EF3 33 km 6.0 mi 1
Mar 29, 1998 EF3 95 km 6.0 mi 0
Jul 1, 1997 EF3 81 km 5.0 mi 0
Jun 16, 1992 EF3 95 km 10.0 mi 0
Jul 27, 1987 EF3 44 km 30.0 mi 0
Jul 23, 1987 EF3 45 km 5.0 mi 0
Apr 26, 1984 EF3 21 km 5.5 mi 1
Jun 14, 1981 EF3 20 km 16.2 mi 1
Jul 30, 1977 EF3 72 km 9.1 mi 0
May 6, 1965 EF3 92 km 15.5 mi 0
May 24, 1958 EF3 30 km 59.4 mi 0
Jun 23, 1952 EF3 67 km 18.2 mi 2
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNIT 4 (5,887 acres, 2002).

Year Name Acres Burned Distance
2002 UNIT 4 5,887 90 km
2003 UNITS 37 38 39 A 4,879 82 km
1998 UNITS 1617 4,649 87 km
2005 RX HFR 05 4,253 87 km
2009 BU9 4,112 90 km
2007 WUI 07 - UNIT 36 4,025 81 km
2000 UNIT 25 3,412 82 km
2009 BU11 3,242 87 km
1997 BIG 2,987 84 km
2009 UNNAMED 2,904 42 km
2003 UNITS 34 33 W 2,637 82 km
2024 UNIT 8E RX 2,551 88 km
1992 SHARPTAIL 2,288 82 km
2010 WUI 10 UNIT D 2,042 82 km
1996 UNNAMED 1,906 81 km
2000 UNNAMED 1,850 99 km
2006 UNIT 4 1,732 90 km
2009 UNIT 23 24 26 1,644 84 km
1995 ANTLER 1,603 82 km
2004 WUI UNIT 16 1,592 88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 16°F (-9°C) 0.9 in Coldest
February 20°F (-7°C) 0.8 in Driest
March 32°F (0°C) 1.7 in
April 47°F (8°C) 2.5 in
May 60°F (15°C) 3.3 in
June 69°F (20°C) 4.3 in Wettest
July 73°F (23°C) 4.0 in Warmest
August 71°F (21°C) 4.0 in
September 61°F (16°C) 3.1 in
October 49°F (10°C) 2.3 in
November 33°F (0°C) 1.8 in
December 19°F (-7°C) 1.0 in

South St. Paul has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 29.6 inches, with June being the wettest month (4.3") and February the driest (0.8").

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