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Weather & Climate in Donnelly, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Donnelly has a cool climate with an average annual temperature of 42°F (6°C). Winters average 10°F in January while summers reach 70°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 27.0 inches (drier than the 38-inch national average). The area receives 44.6 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 1,130 feet.
Temperature
10°F Jan (-12°C)
70°F Jul (21°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,130 ft (344 m) |
| Area | 2.8 sq mi (7.2 km²) |
| Population Density | 88/sq mi |
| Coordinates | 45.6893°N, 96.0143°W |
| Timezone | America/Chicago |
| County | Grant County County |
| Nearest Airport | Watertown Regional (ATY) 77 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 3.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 92.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| 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 | 22 km | 10 km |
| Oct 20, 1995 | 8 km SSE of New Effington, South Dakota | M3.7 | 67 km | 5 km |
| Feb 9, 1994 | 6 km NNE of Blomkest, Minnesota | M3.1 | 110 km | 5 km |
| Apr 29, 2011 | Minnesota | M2.5 | 50 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
442 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 5 fatalities, 98 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 8, 2020 | EF4 | 45 km | 8.9 mi | 1 |
| Aug 7, 2010 | EF4 | 67 km | 5.0 mi | 0 |
| Jun 17, 2010 | EF4 | 63 km | 39.6 mi | 1 |
| Jul 25, 2000 | EF4 | 92 km | 9.0 mi | 1 |
| Jul 11, 2008 | EF3 | 97 km | 8.0 mi | 0 |
| Jun 13, 2001 | EF3 | 75 km | 12.0 mi | 0 |
| May 17, 1996 | EF3 | 72 km | 18.0 mi | 0 |
| May 10, 1982 | EF3 | 51 km | 15.0 mi | 0 |
| Jun 18, 1964 | EF3 | 43 km | 6.2 mi | 0 |
| May 5, 1964 | EF3 | 61 km | 5.2 mi | 0 |
| May 5, 1964 | EF3 | 97 km | 4.3 mi | 0 |
| Jul 1, 1952 | EF3 | 84 km | 0.5 mi | 0 |
| May 30, 2022 | EF2 | 48 km | 19.6 mi | 0 |
| May 30, 2022 | EF2 | 21 km | 6.8 mi | 0 |
| May 30, 2022 | EF2 | 31 km | 11.0 mi | 0 |
| May 12, 2022 | EF2 | 52 km | 9.8 mi | 0 |
| Aug 14, 2020 | EF2 | 25 km | 13.4 mi | 0 |
| Jul 8, 2020 | EF2 | 78 km | 2.0 mi | 0 |
| Sep 4, 2014 | EF2 | 92 km | 2.7 mi | 0 |
| Jul 14, 2009 | EF2 | 56 km | 7.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LOUISBURGRADE (6,487 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | LOUISBURGRADE | 6,487 | 55 km |
| 2003 | ROTHSAY | 3,015 | 97 km |
| 2024 | DORAN WMA | 2,455 | 55 km |
| 2003 | CHIPPEWA PRAIRIE | 2,067 | 60 km |
| 2004 | FISH FIRE | 1,799 | 57 km |
| 2003 | DANIELSON | 1,682 | 91 km |
| 2005 | GRAND MEWS | 1,245 | 56 km |
| 1998 | LEE | 1,137 | 58 km |
| 2016 | UNNAMED | 1,128 | 87 km |
| 1995 | UNNAMED | 1,115 | 57 km |
| 2003 | ANDERSON | 1,082 | 57 km |
| 2019 | UNNAMED | 1,060 | 87 km |
| 2021 | HARTLEBEN WPA | 1,002 | 86 km |
| 1998 | ANDREASEN | 1,001 | 56 km |
| 1990 | ANDERSON | 988 | 56 km |
| 1992 | MEADOWS | 922 | 94 km |
| 2007 | ANDERSON | 797 | 58 km |
| 2006 | ANDERSON | 764 | 56 km |
| 1986 | ANDERSON | 746 | 58 km |
| 2000 | FISH | 720 | 56 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 0.8 in | Coldest |
| February | 16°F (-9°C) | 0.6 in | |
| March | 29°F (-2°C) | 1.3 in | |
| April | 44°F (7°C) | 2.1 in | |
| May | 58°F (14°C) | 2.8 in | |
| June | 67°F (19°C) | 3.8 in | Wettest |
| July | 70°F (21°C) | 3.3 in | Warmest |
| August | 69°F (20°C) | 3.0 in | |
| September | 59°F (15°C) | 2.3 in | |
| October | 47°F (8°C) | 2.1 in | |
| November | 29°F (-2°C) | 1.0 in | |
| December | 15°F (-9°C) | 0.6 in | Driest |
Donnelly has a seasonal temperature swing of 61°F / from 10°F in January to 70°F in July. Total annual precipitation is 23.7 inches, with June being the wettest month (3.8") and December the driest (0.6").