Weather & Climate in North Fond du Lac, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
North Fond du Lac experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 19°F in January while summers reach 71°F in July. Annual precipitation totals 28.4 inches (drier than the 38-inch national average). The area receives 38.0 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 38. 93% of days have good air quality. The city sits at an elevation of 771 feet.
Temperature
19°F Jan (-7°C)
71°F Jul (22°C)
| Annual Average | 46.5°F |
| 14% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 771 ft (235 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 2,523/sq mi |
| Coordinates | 43.8110°N, 88.4855°W |
| Timezone | America/Chicago |
| County | Fond du Lac County County |
| Nearest Airport | Wittman Regional (OSH) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
| Good Days % | 92.7% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.3 / 100 |
| Social Vulnerability | 16.6 / 100 |
| Community Resilience | 94.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
482 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 30 fatalities, 556 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 18, 1996 | EF5 | 16 km | 13.3 mi | 0 |
| Jul 5, 1994 | EF4 | 75 km | 3.5 mi | 0 |
| Apr 27, 1984 | EF4 | 93 km | 6.5 mi | 1 |
| Apr 27, 1984 | EF4 | 37 km | 27.5 mi | 1 |
| Apr 4, 1981 | EF4 | 48 km | 1.8 mi | 3 |
| Apr 21, 1974 | EF4 | 29 km | 26.0 mi | 0 |
| Aug 22, 1964 | EF4 | 66 km | 2.2 mi | 0 |
| Apr 3, 1956 | EF4 | 41 km | 11.5 mi | 7 |
| Sep 26, 1951 | EF4 | 87 km | 26.4 mi | 6 |
| Sep 26, 1951 | EF4 | 72 km | 9.0 mi | 1 |
| Jun 23, 2004 | EF3 | 41 km | 7.6 mi | 1 |
| Jun 23, 2004 | EF3 | 45 km | 33.3 mi | 0 |
| Aug 29, 1992 | EF3 | 88 km | 28.0 mi | 1 |
| Jun 8, 1984 | EF3 | 72 km | 29.0 mi | 0 |
| Apr 27, 1984 | EF3 | 87 km | 32.0 mi | 0 |
| Jun 5, 1980 | EF3 | 79 km | 10.7 mi | 0 |
| Apr 7, 1980 | EF3 | 54 km | 1.2 mi | 0 |
| Jun 5, 1977 | EF3 | 20 km | 69.5 mi | 0 |
| Jun 4, 1975 | EF3 | 88 km | 2.3 mi | 0 |
| Apr 21, 1974 | EF3 | 41 km | 58.6 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,524 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 1,524 | 34 km |
| 2010 | RX BURN | 1,236 | 34 km |
| 1994 | SOMMERS | 938 | 31 km |
| 1988 | PEACHY RD | 812 | 34 km |
| 2006 | UNNAMED | 612 | 30 km |
| 2007 | TOWER RD 2 | 592 | 34 km |
| 2024 | RX-HWY Y - SOUTH | 553 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.7 in | Coldest |
| February | 22°F (-6°C) | 0.7 in | Driest |
| March | 33°F (1°C) | 1.7 in | |
| April | 45°F (7°C) | 2.8 in | |
| May | 57°F (14°C) | 3.3 in | |
| June | 67°F (20°C) | 4.1 in | Wettest |
| July | 71°F (22°C) | 3.4 in | Warmest |
| August | 69°F (21°C) | 3.5 in | |
| September | 62°F (17°C) | 2.9 in | |
| October | 50°F (10°C) | 2.5 in | |
| November | 37°F (3°C) | 1.8 in | |
| December | 25°F (-4°C) | 0.9 in |
North Fond du Lac has a seasonal temperature swing of 52°F / from 19°F in January to 71°F in July. Total annual precipitation is 28.4 inches, with June being the wettest month (4.1") and February the driest (0.7").