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Weather & Climate in Niagara, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Niagara has a cool climate with an average annual temperature of 43°F (6°C). Winters average 14°F in January while summers reach 69°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 31.5 inches. The area receives 61.0 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 1,065 feet.
Temperature
14°F Jan (-10°C)
69°F Jul (20°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 1,065 ft (325 m) |
| Area | 3.0 sq mi (7.8 km²) |
| Population Density | 502/sq mi |
| Coordinates | 45.7793°N, 88.0032°W |
| Timezone | America/Chicago |
| County | Florence County County |
| Nearest Airport | Marquette/Sawyer Regional (MQT) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.2 / 100 |
| Social Vulnerability | 41.2 / 100 |
| Community Resilience | 46.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2 earthquakes (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 | 148 km | 11 km |
| Jan 7, 2024 | 3 km NE of Mole Lake, Wisconsin | M2.5 | 80 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
83 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 4 fatalities, 30 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 19, 1968 | EF4 | 78 km | 21.8 mi | 2 |
| Aug 23, 1998 | EF3 | 99 km | 5.1 mi | 0 |
| May 28, 1991 | EF3 | 40 km | 10.0 mi | 0 |
| Jul 11, 1987 | EF3 | 10 km | 71.0 mi | 0 |
| Jul 4, 1986 | EF3 | 6 km | 24.3 mi | 0 |
| Jun 15, 2022 | EF2 | 48 km | 1.9 mi | 0 |
| Apr 10, 2011 | EF2 | 66 km | 12.0 mi | 0 |
| May 30, 1994 | EF2 | 76 km | 12.0 mi | 0 |
| Jul 19, 1992 | EF2 | 77 km | 0.2 mi | 0 |
| May 28, 1991 | EF2 | 19 km | 12.0 mi | 0 |
| Jun 14, 1981 | EF2 | 36 km | 2.6 mi | 0 |
| Jun 13, 1981 | EF2 | 91 km | 0.1 mi | 0 |
| Apr 21, 1974 | EF2 | 56 km | 2.7 mi | 0 |
| Sep 16, 1972 | EF2 | 69 km | 66.2 mi | 0 |
| Jul 20, 1972 | EF2 | 72 km | 0.8 mi | 0 |
| Jun 30, 1968 | EF2 | 55 km | 1.0 mi | 0 |
| Jun 4, 1966 | EF2 | 96 km | 4.9 mi | 0 |
| Jun 4, 1966 | EF2 | 89 km | 5.4 mi | 0 |
| Jun 9, 1964 | EF2 | 76 km | 3.0 mi | 0 |
| Jul 8, 1959 | EF2 | 0 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: MARQUETTE9 (4,224 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | MARQUETTE9 | 4,224 | 79 km |
| 1986 | MARQUETTE11 | 3,983 | 77 km |
| 1986 | MARQUETTE13 | 2,491 | 67 km |
| 2009 | FALLS | 820 | 72 km |
| 1986 | MARQUETTE10 | 671 | 71 km |
| 2019 | DUTCH MILL | 551 | 87 km |
| 1986 | MARQUETTE9 | 521 | 76 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 1.3 in | Coldest |
| February | 16°F (-9°C) | 0.9 in | Driest |
| March | 26°F (-3°C) | 1.8 in | |
| April | 39°F (4°C) | 2.2 in | |
| May | 53°F (11°C) | 3.2 in | |
| June | 62°F (17°C) | 3.5 in | |
| July | 69°F (20°C) | 3.5 in | Warmest |
| August | 65°F (18°C) | 3.7 in | |
| September | 57°F (14°C) | 3.7 in | Wettest |
| October | 45°F (7°C) | 2.6 in | |
| November | 32°F (-0°C) | 2.1 in | |
| December | 19°F (-7°C) | 1.5 in |
Niagara has a seasonal temperature swing of 54°F / from 14°F in January to 69°F in July. Total annual precipitation is 29.8 inches, with September being the wettest month (3.7") and February the driest (0.9").