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Weather & Climate in Twin Valley, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Twin Valley has a cool climate with an average annual temperature of 40°F (4°C). Winters average 6°F in January while summers reach 69°F in July / a wide seasonal temperature swing of 63°F. 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 25.0 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 1,092 feet.
Temperature
6°F Jan (-14°C)
69°F Jul (20°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 6°F (-14°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,092 ft (333 m) |
| Area | 0.9 sq mi (2.2 km²) |
| Population Density | 843/sq mi |
| Coordinates | 47.2589°N, 96.2592°W |
| Timezone | America/Chicago |
| County | Norman County County |
| Nearest Airport | Hector International (FAR) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 14.4 / 100 |
| Social Vulnerability | 47.5 / 100 |
| Community Resilience | 54.3 / 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 Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
410 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 17 fatalities, 196 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 20, 1957 | EF5 | 92 km | 52.4 mi | 10 |
| Jun 17, 2010 | EF4 | 84 km | 17.0 mi | 0 |
| Jun 28, 1975 | EF4 | 56 km | 5.4 mi | 0 |
| Aug 27, 2016 | EF3 | 68 km | 3.0 mi | 0 |
| Jun 17, 2010 | EF3 | 43 km | 15.0 mi | 1 |
| Jun 6, 2008 | EF3 | 99 km | 7.3 mi | 0 |
| Jun 28, 1975 | EF3 | 50 km | 2.3 mi | 0 |
| Jun 16, 1973 | EF3 | 62 km | 0.1 mi | 0 |
| Jun 15, 1973 | EF3 | 87 km | 0.1 mi | 0 |
| Aug 30, 1956 | EF3 | 57 km | 5.1 mi | 0 |
| Jul 2, 1955 | EF3 | 89 km | 18.7 mi | 0 |
| Jun 24, 2023 | EF2 | 24 km | 6.2 mi | 0 |
| Jun 24, 2022 | EF2 | 62 km | 30.9 mi | 0 |
| Jun 8, 2019 | EF2 | 27 km | 3.6 mi | 0 |
| Jun 29, 2018 | EF2 | 37 km | 15.4 mi | 0 |
| Jul 11, 2017 | EF2 | 56 km | 11.6 mi | 0 |
| Jul 11, 2017 | EF2 | 19 km | 12.8 mi | 0 |
| Jul 11, 2017 | EF2 | 90 km | 22.0 mi | 0 |
| Aug 28, 2016 | EF2 | 29 km | 9.6 mi | 0 |
| Jun 27, 2015 | EF2 | 99 km | 3.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (37,840 acres, 1991).
| Year | Name | Acres Burned | Distance |
| 1991 | UNNAMED | 37,840 | 96 km |
| 1990 | UNNAMED | 32,693 | 99 km |
| 1987 | SANDY LAKE | 26,617 | 96 km |
| 2021 | OXCART | 12,538 | 53 km |
| 1994 | UNNAMED | 8,690 | 97 km |
| 2003 | HICKORY ONE | 6,152 | 94 km |
| 2002 | RED LAKE 468 | 6,076 | 94 km |
| 2021 | RL 203 GOODS | 5,555 | 93 km |
| 2004 | UNNAMED | 3,970 | 99 km |
| 2003 | ROTHSAY | 3,015 | 82 km |
| 2008 | UNNAMED | 2,420 | 51 km |
| 2024 | 4 SQUARE MILE RX | 2,320 | 51 km |
| 2008 | UNNAMED | 2,092 | 47 km |
| 2010 | NELSON PRAIRIE MIDDLE WPA | 1,779 | 33 km |
| 2009 | DOWNING | 1,506 | 24 km |
| 2020 | GRAVEL PIT | 1,468 | 51 km |
| 2012 | SPRING CREEK | 1,413 | 28 km |
| 2000 | 00 14 | 1,377 | 58 km |
| 1987 | UNNAMED | 1,341 | 80 km |
| 2010 | BEJOU WMA | 1,270 | 29 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 6°F (-14°C) | 0.8 in | Coldest |
| February | 12°F (-11°C) | 0.6 in | Driest |
| March | 25°F (-4°C) | 1.0 in | |
| April | 42°F (6°C) | 1.6 in | |
| May | 56°F (13°C) | 2.8 in | |
| June | 64°F (18°C) | 4.1 in | Wettest |
| July | 69°F (20°C) | 3.1 in | Warmest |
| August | 67°F (20°C) | 3.0 in | |
| September | 57°F (14°C) | 2.6 in | |
| October | 45°F (7°C) | 2.0 in | |
| November | 26°F (-3°C) | 0.9 in | |
| December | 12°F (-11°C) | 0.7 in |
Twin Valley has a seasonal temperature swing of 63°F / from 6°F in January to 69°F in July. Total annual precipitation is 23.2 inches, with June being the wettest month (4.1") and February the driest (0.6").