Weather & Climate in Bangor, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bangor experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 19°F in January while summers reach 75°F in July. Annual precipitation totals 35.2 inches. The area receives 46.3 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 23 / among the cleanest air in the country. 90% of days have good air quality. The city sits at an elevation of 729 feet.
Temperature
19°F Jan (-7°C)
75°F Jul (24°C)
| Annual Average | 48.8°F |
| 10% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 729 ft (222 m) |
| Area | 1.7 sq mi (4.4 km²) |
| Population Density | 839/sq mi |
| Coordinates | 43.8937°N, 90.9934°W |
| Timezone | America/Chicago |
| County | Monroe County County |
| Nearest Airport | La Crosse Regional (LSE) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 23.0 |
| Rating | Good |
| Good Days % | 89.6% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.9 / 100 |
| Social Vulnerability | 75.7 / 100 |
| Community Resilience | 65.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
273 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 11 fatalities, 202 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 1958 | EF4 | 100 km | 59.2 mi | 4 |
| Apr 19, 1957 | EF4 | 65 km | 21.1 mi | 1 |
| Aug 7, 2021 | EF3 | 88 km | 9.4 mi | 0 |
| Aug 27, 1994 | EF3 | 89 km | 10.5 mi | 2 |
| Aug 27, 1994 | EF3 | 91 km | 10.0 mi | 2 |
| Jul 3, 1983 | EF3 | 65 km | 1.0 mi | 0 |
| Jun 5, 1980 | EF3 | 31 km | 26.9 mi | 0 |
| May 5, 1965 | EF3 | 93 km | 65.2 mi | 0 |
| Sep 3, 1964 | EF3 | 83 km | 17.1 mi | 0 |
| May 26, 1959 | EF3 | 36 km | 34.3 mi | 0 |
| Apr 19, 1957 | EF3 | 49 km | 9.0 mi | 0 |
| Jun 15, 2022 | EF2 | 38 km | 22.9 mi | 0 |
| Dec 15, 2021 | EF2 | 71 km | 2.8 mi | 0 |
| Dec 15, 2021 | EF2 | 85 km | 1.1 mi | 0 |
| Dec 15, 2021 | EF2 | 70 km | 3.1 mi | 0 |
| Aug 23, 2011 | EF2 | 98 km | 7.6 mi | 0 |
| May 22, 2011 | EF2 | 38 km | 64.5 mi | 0 |
| May 22, 2011 | EF2 | 41 km | 13.8 mi | 0 |
| Apr 10, 2011 | EF2 | 84 km | 17.1 mi | 0 |
| Aug 18, 2005 | EF2 | 45 km | 20.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BIG BURN (3,154 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | BIG BURN | 3,154 | 72 km |
| 2024 | 2024 DOD HARDWOOD RANGE RX | 2,717 | 82 km |
| 1994 | BIG BURN | 2,248 | 72 km |
| 2023 | 2023 RX | 1,992 | 82 km |
| 1997 | BIG BURN | 1,642 | 72 km |
| 2004 | POOL ONE NORTH | 1,576 | 69 km |
| 1998 | UNNAMED | 1,297 | 73 km |
| 2021 | 2021 DOD HARDWOOD RANGE RX | 987 | 81 km |
| 2007 | BEAVER CUTOFF | 982 | 85 km |
| 2007 | UNNAMED | 981 | 67 km |
| 2003 | UNNAMED | 901 | 70 km |
| 1998 | PR 17 | 896 | 69 km |
| 2007 | UNNAMED | 875 | 71 km |
| 2009 | UNNAMED | 867 | 68 km |
| 2007 | PR 16 | 778 | 71 km |
| 2006 | PR 17 RX FIRE | 701 | 73 km |
| 2005 | UNNAMED | 657 | 69 km |
| 2003 | PR 17 | 632 | 73 km |
| 2009 | UNNAMED | 589 | 69 km |
| 2004 | UNNAMED | 580 | 71 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.3 in | Coldest |
| February | 23°F (-5°C) | 1.2 in | Driest |
| March | 36°F (2°C) | 2.0 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 61°F (16°C) | 4.3 in | |
| June | 71°F (22°C) | 5.1 in | Wettest |
| July | 75°F (24°C) | 4.2 in | Warmest |
| August | 73°F (23°C) | 3.9 in | |
| September | 65°F (18°C) | 3.6 in | |
| October | 52°F (11°C) | 2.5 in | |
| November | 38°F (3°C) | 1.9 in | |
| December | 25°F (-4°C) | 1.5 in |
Bangor has a seasonal temperature swing of 56°F / from 19°F in January to 75°F in July. Total annual precipitation is 35.2 inches, with June being the wettest month (5.1") and February the driest (1.2").