All Countries
Weather & Climate in Denham, MN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Denham has a cool climate with an average annual temperature of 41°F (5°C). Winters average 10°F in January while summers reach 69°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 31.5 inches. Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,188 feet.
Temperature
10°F Jan (-12°C)
69°F Jul (20°C)
| Annual Average | 41.4°F |
| 23% below US avg | |
| January Average | 10°F (-12°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 1,188 ft (362 m) |
| Area | 1.3 sq mi (3.4 km²) |
| Population Density | 23/sq mi |
| Coordinates | 46.3617°N, 92.9415°W |
| Timezone | America/Chicago |
| County | Pine County County |
| Nearest Airport | Duluth International (DLH) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.2 / 100 |
| Social Vulnerability | 46.2 / 100 |
| Community Resilience | 67.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| 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 Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
142 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 8 fatalities, 62 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 21, 1957 | EF4 | 87 km | 9.2 mi | 0 |
| Jun 18, 2001 | EF3 | 69 km | 34.0 mi | 2 |
| Sep 18, 1997 | EF3 | 91 km | 17.0 mi | 1 |
| Jun 25, 1973 | EF3 | 84 km | 10.0 mi | 0 |
| Aug 6, 1969 | EF3 | 98 km | 17.2 mi | 2 |
| Aug 6, 1969 | EF3 | 71 km | 12.5 mi | 1 |
| Aug 6, 1969 | EF3 | 66 km | 18.4 mi | 0 |
| Jun 30, 1968 | EF3 | 21 km | 0.1 mi | 0 |
| Jun 12, 2024 | EF2 | 83 km | 14.7 mi | 0 |
| Jun 19, 2016 | EF2 | 75 km | 3.5 mi | 0 |
| Jul 1, 2011 | EF2 | 82 km | 2.9 mi | 0 |
| Jun 17, 2010 | EF2 | 71 km | 7.8 mi | 0 |
| Jun 13, 2001 | EF2 | 97 km | 5.0 mi | 0 |
| Sep 18, 1997 | EF2 | 46 km | 17.0 mi | 0 |
| Oct 26, 1996 | EF2 | 76 km | 0.7 mi | 0 |
| Jul 21, 1995 | EF2 | 97 km | 10.0 mi | 0 |
| Jul 3, 1985 | EF2 | 69 km | 33.0 mi | 0 |
| Jun 13, 1981 | EF2 | 96 km | 2.0 mi | 0 |
| Sep 3, 1980 | EF2 | 85 km | 9.9 mi | 0 |
| Sep 8, 1977 | EF2 | 70 km | 3.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (3,642 acres, 1988).
| Year | Name | Acres Burned | Distance |
| 1988 | UNNAMED | 3,642 | 82 km |
| 2003 | UNNAMED | 2,998 | 37 km |
| 2015 | TAMARACK | 2,745 | 40 km |
| 1987 | UNNAMED | 2,512 | 37 km |
| 1991 | UNNAMED | 2,486 | 63 km |
| 1988 | UNNAMED | 2,243 | 87 km |
| 2024 | RX-86_FY23 | 2,187 | 60 km |
| 1987 | UNNAMED | 1,963 | 67 km |
| 2000 | UNNAMED | 1,850 | 67 km |
| 1987 | UNNAMED | 1,799 | 66 km |
| 1987 | UNNAMED | 1,760 | 63 km |
| 1988 | UNNAMED | 1,589 | 75 km |
| 2004 | SOUTH MAIN ROAD | 1,384 | 37 km |
| 2006 | WUI RX BURN UNIT 15 | 1,380 | 38 km |
| 1990 | UNNAMED | 1,371 | 39 km |
| 1987 | UNNAMED | 1,352 | 36 km |
| 1997 | UNNAMED | 1,306 | 64 km |
| 2009 | UNNAMED | 1,249 | 64 km |
| 1988 | UNNAMED | 1,226 | 61 km |
| 2000 | S MAIN RO | 1,181 | 35 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 10°F (-12°C) | 0.9 in | Coldest |
| February | 14°F (-10°C) | 0.6 in | Driest |
| March | 26°F (-3°C) | 1.5 in | |
| April | 41°F (5°C) | 2.1 in | |
| May | 54°F (12°C) | 3.2 in | |
| June | 62°F (17°C) | 4.4 in | Wettest |
| July | 69°F (20°C) | 4.1 in | Warmest |
| August | 65°F (18°C) | 4.0 in | |
| September | 56°F (14°C) | 3.4 in | |
| October | 45°F (7°C) | 2.6 in | |
| November | 28°F (-2°C) | 1.5 in | |
| December | 13°F (-10°C) | 1.0 in |
Denham has a seasonal temperature swing of 59°F / from 10°F in January to 69°F in July. Total annual precipitation is 29.2 inches, with June being the wettest month (4.4") and February the driest (0.6").