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Weather & Climate in Frost, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Frost experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 14°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.5 inches. The area receives 40.1 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 1,131 feet.
Temperature
14°F Jan (-10°C)
72°F Jul (22°C)
| Annual Average | 45.5°F |
| 16% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,131 ft (345 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 682/sq mi |
| Coordinates | 43.5846°N, 93.9247°W |
| Timezone | America/Chicago |
| County | Faribault County County |
| Nearest Airport | Mankato Regional (MKT) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 45.5 / 100 |
| Social Vulnerability | 57.0 / 100 |
| Community Resilience | 87.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| 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: M2.8.
| Apr 25, 2017 | Near Mankato, Minnesota | M2.8 | 67 km | 0 km |
| Jun 30, 2021 | 4 km E of Rembrandt, Iowa | M2.7 | 128 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
577 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 31 fatalities, 495 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Oct 14, 1966 | EF5 | 90 km | 9.7 mi | 6 |
| Jun 17, 2010 | EF4 | 23 km | 16.9 mi | 1 |
| Apr 30, 1967 | EF4 | 40 km | 20.1 mi | 6 |
| Apr 30, 1967 | EF4 | 40 km | 38.7 mi | 5 |
| Apr 30, 1967 | EF4 | 63 km | 7.6 mi | 0 |
| Apr 30, 1967 | EF4 | 69 km | 13.3 mi | 0 |
| May 5, 1965 | EF4 | 95 km | 41.6 mi | 0 |
| Aug 29, 1964 | EF4 | 78 km | 15.8 mi | 0 |
| May 10, 1953 | EF4 | 66 km | 26.6 mi | 0 |
| Jun 12, 2013 | EF3 | 81 km | 6.2 mi | 0 |
| Jun 17, 2010 | EF3 | 59 km | 5.0 mi | 0 |
| Jun 17, 2010 | EF3 | 71 km | 4.3 mi | 0 |
| Jun 17, 2010 | EF3 | 43 km | 18.2 mi | 0 |
| Aug 24, 2006 | EF3 | 81 km | 33.0 mi | 1 |
| Aug 1, 2006 | EF3 | 73 km | 1.5 mi | 0 |
| Mar 29, 1998 | EF3 | 80 km | 12.0 mi | 1 |
| Mar 29, 1998 | EF3 | 83 km | 6.0 mi | 0 |
| Jun 18, 1994 | EF3 | 59 km | 6.0 mi | 0 |
| Jun 7, 1984 | EF3 | 49 km | 9.0 mi | 0 |
| Jun 7, 1984 | EF3 | 47 km | 14.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: SNAKE TRAIL (1,496 acres, 2024).
| Year | Name | Acres Burned | Distance |
| 2024 | SNAKE TRAIL | 1,496 | 71 km |
| 2008 | DEWEYS PASTURE | 641 | 92 km |
| 2024 | LINCOLN WPA RX | 575 | 57 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 0.7 in | Coldest |
| February | 19°F (-7°C) | 0.7 in | Driest |
| March | 32°F (-0°C) | 1.7 in | |
| April | 46°F (8°C) | 2.8 in | |
| May | 59°F (15°C) | 3.7 in | |
| June | 69°F (21°C) | 4.5 in | Wettest |
| July | 72°F (22°C) | 4.4 in | Warmest |
| August | 70°F (21°C) | 4.1 in | |
| September | 61°F (16°C) | 3.2 in | |
| October | 49°F (10°C) | 2.3 in | |
| November | 33°F (0°C) | 1.5 in | |
| December | 19°F (-7°C) | 0.9 in |
Frost has a seasonal temperature swing of 58°F / from 14°F in January to 72°F in July. Total annual precipitation is 30.5 inches, with June being the wettest month (4.5") and February the driest (0.7").