Weather & Climate in Brookston, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brookston has a cool climate with an average annual temperature of 40°F (4°C). Winters average 10°F in January while summers reach 66°F in July. Annual precipitation totals 32.7 inches. The area receives 71.3 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 34. 89% of days have good air quality. The city sits at an elevation of 1,245 feet.
Temperature
10°F Jan (-12°C)
66°F Jul (19°C)
| Annual Average | 39.7°F |
| 26% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 1,245 ft (379 m) |
| Area | 0.6 sq mi (1.4 km²) |
| Population Density | 125/sq mi |
| Coordinates | 46.8651°N, 92.6017°W |
| Timezone | America/Chicago |
| County | Carlton County County |
| Nearest Airport | Duluth International (DLH) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
| Good Days % | 89.1% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.1 / 100 |
| Social Vulnerability | 27.5 / 100 |
| Community Resilience | 90.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
78 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 4 fatalities, 46 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 6, 1969 | EF3 | 30 km | 18.4 mi | 0 |
| Aug 6, 1969 | EF3 | 65 km | 12.5 mi | 1 |
| Aug 6, 1969 | EF3 | 40 km | 17.2 mi | 2 |
| Aug 6, 1969 | EF3 | 84 km | 10.0 mi | 0 |
| Jun 30, 1968 | EF3 | 82 km | 0.1 mi | 0 |
| Jul 1, 2011 | EF2 | 83 km | 2.9 mi | 0 |
| Sep 3, 1980 | EF2 | 64 km | 9.9 mi | 0 |
| Sep 8, 1977 | EF2 | 72 km | 3.6 mi | 0 |
| Jun 7, 1977 | EF2 | 69 km | 0.5 mi | 0 |
| Jul 7, 1970 | EF2 | 54 km | 22.3 mi | 0 |
| Aug 6, 1969 | EF2 | 99 km | 0.1 mi | 0 |
| Jun 30, 1968 | EF2 | 93 km | 39.0 mi | 0 |
| Sep 6, 1959 | EF2 | 95 km | 30.3 mi | 0 |
| Sep 19, 2024 | EF1 | 28 km | 5.9 mi | 0 |
| Jun 12, 2024 | EF1 | 97 km | 4.7 mi | 0 |
| Jul 11, 2022 | EF1 | 57 km | 4.6 mi | 0 |
| May 30, 2022 | EF1 | 98 km | 3.3 mi | 0 |
| Aug 14, 2020 | EF1 | 58 km | 1.5 mi | 0 |
| Aug 14, 2020 | EF1 | 53 km | 2.7 mi | 0 |
| Jul 18, 2020 | EF1 | 77 km | 0.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: GERMANN ROAD FIRE (6,751 acres, 2013).
| Year | Name | Acres Burned | Distance |
| 2013 | GERMANN ROAD FIRE | 6,751 | 96 km |
| 1992 | UNNAMED | 4,053 | 99 km |
| 2003 | UNNAMED | 2,998 | 64 km |
| 2015 | TAMARACK | 2,745 | 53 km |
| 1987 | UNNAMED | 2,512 | 62 km |
| 1991 | UNNAMED | 2,486 | 66 km |
| 1987 | UNNAMED | 1,963 | 73 km |
| 1987 | UNNAMED | 1,799 | 67 km |
| 1987 | UNNAMED | 1,760 | 67 km |
| 2004 | SOUTH MAIN ROAD | 1,384 | 68 km |
| 2006 | WUI RX BURN UNIT 15 | 1,380 | 67 km |
| 1987 | UNNAMED | 1,352 | 47 km |
| 1997 | UNNAMED | 1,306 | 66 km |
| 2009 | UNNAMED | 1,249 | 66 km |
| 1988 | UNNAMED | 1,226 | 67 km |
| 2000 | S MAIN RO | 1,181 | 67 km |
| 1987 | UNNAMED | 1,096 | 66 km |
| 1988 | UNNAMED | 1,059 | 95 km |
| 1987 | UNNAMED | 1,010 | 60 km |
| 1999 | UNNAMED | 1,002 | 82 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 1.0 in | Coldest |
| February | 14°F (-10°C) | 1.0 in | Driest |
| March | 26°F (-3°C) | 1.4 in | |
| April | 39°F (4°C) | 2.4 in | |
| May | 51°F (11°C) | 3.5 in | |
| June | 61°F (16°C) | 4.8 in | Wettest |
| July | 66°F (19°C) | 4.3 in | Warmest |
| August | 65°F (18°C) | 4.2 in | |
| September | 56°F (14°C) | 3.6 in | |
| October | 43°F (6°C) | 3.3 in | |
| November | 28°F (-2°C) | 1.8 in | |
| December | 16°F (-9°C) | 1.5 in |
Brookston has a seasonal temperature swing of 56°F / from 10°F in January to 66°F in July. Total annual precipitation is 32.7 inches, with June being the wettest month (4.8") and February the driest (1.0").