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Weather & Climate in Denmark, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Denmark has a cool climate with an average annual temperature of 45°F (7°C). Winters average 18°F in January while summers reach 70°F in July. The area gets 270 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 30.1 inches (drier than the 38-inch national average). The area receives 52.5 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 894 feet.
Temperature
18°F Jan (-8°C)
70°F Jul (21°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 894 ft (272 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 1,255/sq mi |
| Coordinates | 44.3493°N, 87.8312°W |
| Timezone | America/Chicago |
| County | Brown County County |
| Nearest Airport | Green Bay/Austin Straubel International (GRB) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.0 / 100 |
| Social Vulnerability | 17.5 / 100 |
| Community Resilience | 94.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.9.
| Aug 2, 2024 | 38 km ESE of Sturgeon Bay, Wisconsin | M2.9 | 80 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
251 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 5 fatalities, 84 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 18, 1996 | EF5 | 96 km | 13.3 mi | 0 |
| Jul 5, 1994 | EF4 | 8 km | 3.5 mi | 0 |
| Apr 27, 1984 | EF4 | 79 km | 27.5 mi | 1 |
| Aug 19, 1968 | EF4 | 84 km | 21.8 mi | 2 |
| Aug 23, 1998 | EF3 | 84 km | 5.1 mi | 0 |
| Apr 27, 1984 | EF3 | 89 km | 32.0 mi | 0 |
| Jun 5, 1977 | EF3 | 93 km | 69.5 mi | 0 |
| Dec 1, 1970 | EF3 | 65 km | 13.1 mi | 0 |
| Jun 26, 1969 | EF3 | 48 km | 15.3 mi | 0 |
| Jun 25, 1950 | EF3 | 100 km | 0.1 mi | 0 |
| Aug 28, 2018 | EF2 | 99 km | 3.9 mi | 0 |
| Aug 6, 2013 | EF2 | 75 km | 13.1 mi | 0 |
| Apr 10, 2011 | EF2 | 38 km | 1.5 mi | 0 |
| Jul 18, 1996 | EF2 | 57 km | 6.4 mi | 1 |
| Jul 5, 1994 | EF2 | 6 km | 1.0 mi | 0 |
| Jun 2, 1990 | EF2 | 80 km | 1.0 mi | 0 |
| Jun 11, 1986 | EF2 | 93 km | 8.0 mi | 0 |
| Jun 8, 1985 | EF2 | 58 km | 5.0 mi | 0 |
| May 6, 1982 | EF2 | 60 km | 9.0 mi | 0 |
| Apr 4, 1981 | EF2 | 52 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 1.4 in | Coldest |
| February | 20°F (-6°C) | 1.1 in | Driest |
| March | 31°F (-1°C) | 2.1 in | |
| April | 43°F (6°C) | 2.7 in | |
| May | 54°F (12°C) | 3.0 in | |
| June | 64°F (18°C) | 3.4 in | |
| July | 70°F (21°C) | 3.3 in | Warmest |
| August | 67°F (20°C) | 3.5 in | Wettest |
| September | 59°F (15°C) | 3.3 in | |
| October | 48°F (9°C) | 2.3 in | |
| November | 35°F (2°C) | 2.3 in | |
| December | 22°F (-5°C) | 1.6 in |
Denmark has a seasonal temperature swing of 52°F / from 18°F in January to 70°F in July. Total annual precipitation is 30.0 inches, with August being the wettest month (3.5") and February the driest (1.1").