Weather & Climate in St. Hilaire, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Hilaire has a cool climate with an average annual temperature of 40°F (4°C). Winters average 5°F in January while summers reach 68°F in July / a wide seasonal temperature swing of 63°F. Annual precipitation totals 24.3 inches (drier than the 38-inch national average). The area receives 49.9 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,091 feet.
Temperature
5°F Jan (-15°C)
68°F Jul (20°C)
| Annual Average | 39.9°F |
| 26% below US avg | |
| January Average | 5°F (-15°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 1,091 ft (333 m) |
| Area | 0.8 sq mi (2.2 km²) |
| Population Density | 365/sq mi |
| Coordinates | 48.0132°N, 96.2136°W |
| Timezone | America/Chicago |
| County | Pennington County County |
| Nearest Airport | Thief River Falls Regional (TVF) 4 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.0 / 100 |
| Social Vulnerability | 19.3 / 100 |
| Community Resilience | 96.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively 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
346 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 67 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 17, 2010 | EF4 | 97 km | 17.0 mi | 0 |
| Aug 27, 2016 | EF3 | 88 km | 3.0 mi | 0 |
| Jun 17, 2010 | EF3 | 42 km | 15.0 mi | 1 |
| Jun 16, 1973 | EF3 | 96 km | 0.1 mi | 0 |
| Aug 11, 1958 | EF3 | 75 km | 0.1 mi | 0 |
| Jun 24, 2023 | EF2 | 87 km | 6.2 mi | 0 |
| Jun 8, 2019 | EF2 | 57 km | 3.6 mi | 0 |
| Jun 29, 2018 | EF2 | 54 km | 15.4 mi | 0 |
| Jul 11, 2017 | EF2 | 91 km | 11.6 mi | 0 |
| Jul 11, 2017 | EF2 | 91 km | 12.8 mi | 0 |
| Jul 11, 2017 | EF2 | 92 km | 22.0 mi | 0 |
| Aug 28, 2016 | EF2 | 59 km | 9.6 mi | 0 |
| Jun 27, 2015 | EF2 | 93 km | 3.0 mi | 0 |
| Jul 21, 2014 | EF2 | 60 km | 37.9 mi | 0 |
| Jul 22, 2013 | EF2 | 83 km | 21.1 mi | 0 |
| Aug 10, 2010 | EF2 | 85 km | 0.9 mi | 0 |
| Jun 17, 2010 | EF2 | 82 km | 7.0 mi | 0 |
| Jul 11, 2008 | EF2 | 84 km | 16.0 mi | 0 |
| Aug 26, 2007 | EF2 | 65 km | 5.0 mi | 0 |
| Jun 23, 2005 | EF2 | 56 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (131,401 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | UNNAMED | 131,401 | 57 km |
| 2003 | REINER 36 | 67,641 | 57 km |
| 1989 | UNNAMED | 66,422 | 57 km |
| 1990 | UNNAMED | 43,533 | 58 km |
| 1991 | UNNAMED | 37,840 | 58 km |
| 1990 | UNNAMED | 32,693 | 57 km |
| 2011 | JUNEBERRY 3 | 29,455 | 100 km |
| 1987 | SANDY LAKE | 26,617 | 54 km |
| 1990 | UNNAMED | 26,345 | 41 km |
| 1988 | UNNAMED | 22,262 | 99 km |
| 2007 | UNNAMED | 21,954 | 98 km |
| 1988 | UNNAMED | 17,778 | 96 km |
| 1998 | RL3 | 14,882 | 61 km |
| 2018 | 2018 HIGHWAY 1 RXB | 13,170 | 62 km |
| 2021 | OXCART | 12,538 | 32 km |
| 1987 | UNNAMED | 10,819 | 30 km |
| 1987 | UNNAMED | 9,281 | 65 km |
| 1994 | UNNAMED | 8,690 | 55 km |
| 1990 | UNNAMED | 8,025 | 61 km |
| 2016 | 2016 HIGHWAY 1 RXB | 7,744 | 57 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 5°F (-15°C) | 0.6 in | Coldest |
| February | 11°F (-12°C) | 0.6 in | Driest |
| March | 25°F (-4°C) | 0.9 in | |
| April | 42°F (5°C) | 1.3 in | |
| May | 55°F (13°C) | 2.9 in | |
| June | 65°F (18°C) | 4.5 in | Wettest |
| July | 68°F (20°C) | 3.6 in | Warmest |
| August | 67°F (20°C) | 3.5 in | |
| September | 58°F (14°C) | 2.8 in | |
| October | 44°F (7°C) | 2.1 in | |
| November | 27°F (-3°C) | 0.9 in | |
| December | 12°F (-11°C) | 0.8 in |
St. Hilaire has a seasonal temperature swing of 63°F / from 5°F in January to 68°F in July. Total annual precipitation is 24.3 inches, with June being the wettest month (4.5") and February the driest (0.6").