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Weather & Climate in Caroline, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Caroline has a cool climate with an average annual temperature of 45°F (7°C). Winters average 16°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 33.0 inches. The area receives 44.3 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 929 feet.
Temperature
16°F Jan (-9°C)
70°F Jul (21°C)
| Annual Average | 44.5°F |
| 18% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 929 ft (283 m) |
| Area | 1.3 sq mi (3.3 km²) |
| Population Density | 379/sq mi |
| Coordinates | 44.7232°N, 88.8986°W |
| Timezone | America/Chicago |
| County | Shawano County County |
| Nearest Airport | Appleton International (ATW) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.1 / 100 |
| Social Vulnerability | 23.6 / 100 |
| Community Resilience | 78.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Very 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: M2.5.
| Jan 7, 2024 | 3 km NE of Mole Lake, Wisconsin | M2.5 | 87 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
328 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 21 fatalities, 185 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 5, 1994 | EF4 | 99 km | 3.5 mi | 0 |
| Apr 27, 1984 | EF4 | 73 km | 27.5 mi | 1 |
| Aug 31, 1977 | EF4 | 95 km | 31.8 mi | 0 |
| Aug 19, 1968 | EF4 | 76 km | 21.8 mi | 2 |
| Apr 3, 1956 | EF4 | 88 km | 11.5 mi | 7 |
| Sep 26, 1951 | EF4 | 54 km | 26.4 mi | 6 |
| Apr 10, 2011 | EF3 | 89 km | 21.2 mi | 0 |
| Jun 7, 2007 | EF3 | 33 km | 40.0 mi | 0 |
| Aug 29, 1992 | EF3 | 88 km | 28.0 mi | 1 |
| Apr 27, 1984 | EF3 | 22 km | 32.0 mi | 0 |
| Sep 28, 1971 | EF3 | 66 km | 78.4 mi | 0 |
| Dec 1, 1970 | EF3 | 48 km | 13.1 mi | 0 |
| Jun 26, 1969 | EF3 | 47 km | 15.3 mi | 0 |
| May 3, 1955 | EF3 | 93 km | 6.8 mi | 0 |
| Jun 25, 1950 | EF3 | 86 km | 0.1 mi | 0 |
| Jun 15, 2022 | EF2 | 89 km | 1.9 mi | 0 |
| Aug 6, 2013 | EF2 | 39 km | 13.1 mi | 0 |
| Apr 10, 2011 | EF2 | 71 km | 1.5 mi | 0 |
| Jun 7, 2007 | EF2 | 46 km | 7.3 mi | 0 |
| Jun 23, 2004 | EF2 | 57 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: COTTONVILLE INCIDENT (3,466 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | COTTONVILLE INCIDENT | 3,466 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 1.0 in | Coldest |
| February | 18°F (-8°C) | 0.9 in | Driest |
| March | 29°F (-2°C) | 1.8 in | |
| April | 43°F (6°C) | 2.7 in | |
| May | 55°F (13°C) | 3.5 in | |
| June | 64°F (18°C) | 3.5 in | |
| July | 70°F (21°C) | 3.7 in | Warmest |
| August | 66°F (19°C) | 3.8 in | Wettest |
| September | 58°F (15°C) | 3.7 in | |
| October | 47°F (8°C) | 2.4 in | |
| November | 33°F (0°C) | 2.1 in | |
| December | 19°F (-7°C) | 1.4 in |
Caroline has a seasonal temperature swing of 54°F / from 16°F in January to 70°F in July. Total annual precipitation is 30.5 inches, with August being the wettest month (3.8") and February the driest (0.9").