All Countries
Weather & Climate in Afton, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Afton experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 15°F in January while summers reach 73°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 33.3 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 964 feet.
Temperature
15°F Jan (-10°C)
73°F Jul (23°C)
| Annual Average | 46.0°F |
| 15% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 964 ft (294 m) |
| Area | 26.4 sq mi (68.4 km²) |
| Population Density | 117/sq mi |
| Coordinates | 44.8988°N, 92.8191°W |
| Timezone | America/Chicago |
| County | Pierce County County |
| Nearest Airport | Minneapolis-St Paul International/Wold-Chamberlain (MSP) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 42.3 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 53.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| 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 | 123 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
476 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 56 fatalities, 1,202 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 1958 | EF5 | 39 km | 33.7 mi | 21 |
| Jul 3, 1983 | EF4 | 53 km | 1.0 mi | 0 |
| May 6, 1965 | EF4 | 39 km | 6.8 mi | 3 |
| May 6, 1965 | EF4 | 56 km | 6.9 mi | 0 |
| May 6, 1965 | EF4 | 75 km | 12.3 mi | 3 |
| May 6, 1965 | EF4 | 45 km | 17.3 mi | 6 |
| May 21, 1957 | EF4 | 76 km | 9.2 mi | 0 |
| Sep 24, 2019 | EF3 | 89 km | 7.0 mi | 0 |
| May 16, 2017 | EF3 | 65 km | 82.5 mi | 1 |
| May 25, 2008 | EF3 | 36 km | 6.0 mi | 1 |
| Jun 18, 2001 | EF3 | 99 km | 34.0 mi | 2 |
| May 15, 1998 | EF3 | 86 km | 8.0 mi | 0 |
| Jul 1, 1997 | EF3 | 98 km | 5.0 mi | 0 |
| Jul 27, 1987 | EF3 | 37 km | 30.0 mi | 0 |
| Jul 23, 1987 | EF3 | 59 km | 5.0 mi | 0 |
| Apr 26, 1984 | EF3 | 35 km | 5.5 mi | 1 |
| Jun 14, 1981 | EF3 | 37 km | 16.2 mi | 1 |
| Jul 30, 1977 | EF3 | 56 km | 9.1 mi | 0 |
| May 24, 1958 | EF3 | 30 km | 59.4 mi | 0 |
| Jun 23, 1952 | EF3 | 60 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: UNITS 37 38 39 A (4,879 acres, 2003).
| Year | Name | Acres Burned | Distance |
| 2003 | UNITS 37 38 39 A | 4,879 | 93 km |
| 1998 | UNITS 1617 | 4,649 | 98 km |
| 2005 | RX HFR 05 | 4,253 | 97 km |
| 2007 | WUI 07 - UNIT 36 | 4,025 | 92 km |
| 2000 | UNIT 25 | 3,412 | 92 km |
| 2009 | BU11 | 3,242 | 98 km |
| 1997 | BIG | 2,987 | 95 km |
| 2009 | UNNAMED | 2,904 | 46 km |
| 2003 | UNITS 34 33 W | 2,637 | 93 km |
| 2024 | UNIT 8E RX | 2,551 | 99 km |
| 1992 | SHARPTAIL | 2,288 | 93 km |
| 2010 | WUI 10 UNIT D | 2,042 | 93 km |
| 1996 | UNNAMED | 1,906 | 92 km |
| 2000 | UNNAMED | 1,850 | 97 km |
| 2009 | UNIT 23 24 26 | 1,644 | 95 km |
| 1995 | ANTLER | 1,603 | 93 km |
| 2004 | WUI UNIT 16 | 1,592 | 99 km |
| 1995 | UNIT 16 | 1,570 | 99 km |
| 1992 | UNIT 25 | 1,460 | 94 km |
| 1987 | UNNAMED | 1,280 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 0.9 in | Coldest |
| February | 19°F (-7°C) | 0.8 in | Driest |
| March | 31°F (-0°C) | 1.7 in | |
| April | 46°F (8°C) | 2.7 in | |
| May | 58°F (15°C) | 3.5 in | |
| June | 67°F (20°C) | 4.3 in | Wettest |
| July | 73°F (23°C) | 4.0 in | Warmest |
| August | 70°F (21°C) | 4.0 in | |
| September | 60°F (16°C) | 3.6 in | |
| October | 49°F (9°C) | 2.4 in | |
| November | 33°F (0°C) | 1.6 in | |
| December | 18°F (-8°C) | 1.0 in |
Afton has a seasonal temperature swing of 58°F / from 15°F in January to 73°F in July. Total annual precipitation is 30.3 inches, with June being the wettest month (4.3") and February the driest (0.8").