Weather & Climate in Cosmos, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cosmos has a cool climate with an average annual temperature of 42°F (6°C). Winters average 10°F in January while summers reach 71°F in July / a wide seasonal temperature swing of 61°F. Annual precipitation totals 29.8 inches (drier than the 38-inch national average). The area receives 37.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,114 feet.
Temperature
10°F Jan (-12°C)
71°F Jul (22°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 1,114 ft (340 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 540/sq mi |
| Coordinates | 44.9359°N, 94.6954°W |
| Timezone | America/Chicago |
| County | Renville County County |
| Nearest Airport | St Cloud Regional (STC) 52 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 38.5 / 100 |
| Social Vulnerability | 42.1 / 100 |
| Community Resilience | 88.2 / 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
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Jun 5, 1993 | 11 km N of Johnson, Minnesota | M4.1 | 150 km | 10 km |
| Feb 9, 1994 | 6 km NNE of Blomkest, Minnesota | M3.1 | 25 km | 5 km |
| Apr 25, 2017 | Near Mankato, Minnesota | M2.8 | 100 km | 0 km |
| Apr 29, 2011 | Minnesota | M2.5 | 134 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
495 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 19 fatalities, 617 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 25, 2000 | EF4 | 77 km | 9.0 mi | 1 |
| May 6, 1965 | EF4 | 92 km | 6.9 mi | 0 |
| May 6, 1965 | EF4 | 77 km | 12.3 mi | 3 |
| Jun 19, 1951 | EF4 | 26 km | 52.6 mi | 1 |
| Jul 11, 2008 | EF3 | 38 km | 8.0 mi | 0 |
| Aug 24, 2006 | EF3 | 81 km | 33.0 mi | 1 |
| Mar 29, 1998 | EF3 | 84 km | 12.0 mi | 1 |
| Mar 29, 1998 | EF3 | 90 km | 6.0 mi | 0 |
| Jul 1, 1997 | EF3 | 57 km | 5.0 mi | 0 |
| Jun 16, 1992 | EF3 | 89 km | 2.5 mi | 0 |
| Jun 16, 1992 | EF3 | 38 km | 10.0 mi | 0 |
| Jun 16, 1992 | EF3 | 84 km | 13.0 mi | 0 |
| Jun 16, 1992 | EF3 | 93 km | 6.0 mi | 0 |
| Jul 23, 1987 | EF3 | 98 km | 5.0 mi | 0 |
| Sep 3, 1980 | EF3 | 76 km | 3.8 mi | 1 |
| May 6, 1965 | EF3 | 50 km | 15.5 mi | 0 |
| Jun 18, 1964 | EF3 | 98 km | 6.2 mi | 0 |
| May 5, 1964 | EF3 | 72 km | 4.3 mi | 0 |
| Jul 20, 1951 | EF3 | 94 km | 11.6 mi | 5 |
| Jul 11, 2016 | EF2 | 24 km | 3.1 mi | 0 |
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 | 96 km |
| 2003 | UNITS 37 38 39 A | 4,879 | 99 km |
| 2009 | BU9 | 4,112 | 96 km |
| 2007 | WUI 07 - UNIT 36 | 4,025 | 99 km |
| 2000 | UNIT 25 | 3,412 | 99 km |
| 2009 | BU11 | 3,242 | 96 km |
| 1997 | BIG | 2,987 | 98 km |
| 2003 | UNITS 34 33 W | 2,637 | 98 km |
| 2024 | UNIT 8E RX | 2,551 | 97 km |
| 1992 | SHARPTAIL | 2,288 | 97 km |
| 2010 | WUI 10 UNIT D | 2,042 | 97 km |
| 1996 | UNNAMED | 1,906 | 100 km |
| 2006 | UNIT 4 | 1,732 | 97 km |
| 2009 | UNIT 23 24 26 | 1,644 | 98 km |
| 1995 | ANTLER | 1,603 | 97 km |
| 1992 | UNIT 25 | 1,460 | 99 km |
| 1987 | UNNAMED | 1,280 | 97 km |
| 1998 | UNITS 23 A | 1,268 | 96 km |
| 1996 | CARPENTER | 1,207 | 95 km |
| 2009 | HFR 08 - UNIT 20 | 1,168 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 0.8 in | Coldest, Driest |
| February | 14°F (-10°C) | 0.8 in | |
| March | 27°F (-3°C) | 1.5 in | |
| April | 43°F (6°C) | 2.7 in | |
| May | 56°F (13°C) | 3.7 in | |
| June | 66°F (19°C) | 4.6 in | Wettest |
| July | 71°F (22°C) | 3.8 in | Warmest |
| August | 68°F (20°C) | 4.1 in | |
| September | 60°F (15°C) | 3.0 in | |
| October | 45°F (7°C) | 2.6 in | |
| November | 30°F (-1°C) | 1.4 in | |
| December | 17°F (-9°C) | 1.0 in |
Cosmos has a seasonal temperature swing of 61°F / from 10°F in January to 71°F in July. Total annual precipitation is 29.8 inches, with June being the wettest month (4.6") and January the driest (0.8").