All Countries
Weather & Climate in Trego, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trego has a cool climate with an average annual temperature of 42°F (6°C). Winters average 11°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 31.6 inches. The area receives 55.7 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 1,047 feet.
Temperature
11°F Jan (-12°C)
69°F Jul (21°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 1,047 ft (319 m) |
| Area | 1.2 sq mi (3.2 km²) |
| Population Density | 113/sq mi |
| Coordinates | 45.9058°N, 91.8311°W |
| Timezone | America/Chicago |
| County | Washburn County County |
| Nearest Airport | Rice Lake Regional/Carl's Field (RIE) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 32.8 / 100 |
| Social Vulnerability | 41.4 / 100 |
| Community Resilience | 58.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
179 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 150 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 30, 1977 | EF4 | 93 km | 19.0 mi | 0 |
| May 21, 1957 | EF4 | 88 km | 9.2 mi | 0 |
| May 16, 2017 | EF3 | 77 km | 82.5 mi | 1 |
| Sep 2, 2002 | EF3 | 73 km | 16.0 mi | 0 |
| Jun 18, 2001 | EF3 | 65 km | 34.0 mi | 2 |
| Jul 30, 1977 | EF3 | 87 km | 9.1 mi | 0 |
| Jun 23, 1952 | EF3 | 82 km | 18.2 mi | 2 |
| Jul 1, 2011 | EF2 | 46 km | 2.9 mi | 0 |
| Jul 27, 2010 | EF2 | 99 km | 0.9 mi | 0 |
| Jun 17, 2010 | EF2 | 83 km | 7.8 mi | 0 |
| Apr 26, 1994 | EF2 | 57 km | 4.0 mi | 0 |
| Sep 11, 1990 | EF2 | 55 km | 3.0 mi | 0 |
| Sep 11, 1990 | EF2 | 45 km | 1.5 mi | 0 |
| Sep 3, 1986 | EF2 | 67 km | 4.0 mi | 0 |
| Sep 12, 1982 | EF2 | 77 km | 12.0 mi | 0 |
| Sep 3, 1980 | EF2 | 75 km | 9.9 mi | 0 |
| Jul 15, 1980 | EF2 | 96 km | 0.1 mi | 1 |
| Jul 30, 1977 | EF2 | 94 km | 34.5 mi | 1 |
| Aug 24, 1975 | EF2 | 77 km | 34.2 mi | 0 |
| Jul 7, 1970 | EF2 | 91 km | 22.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: GERMANN ROAD FIRE (6,751 acres, 2013).
| Year | Name | Acres Burned | Distance |
| 2013 | GERMANN ROAD FIRE | 6,751 | 51 km |
| 2019 | NW SANDS UNITS I/F/C/A | 3,386 | 92 km |
| 2016 | UNNAMED | 2,682 | 91 km |
| 2013 | UNNAMED | 2,240 | 92 km |
| 2024 | RX-86_FY23 | 2,187 | 58 km |
| 2014 | UNNAMED | 2,116 | 91 km |
| 2000 | UNNAMED | 1,850 | 80 km |
| 2015 | UNNAMED | 1,407 | 91 km |
| 1990 | UNNAMED | 1,371 | 97 km |
| 2015 | UNNAMED | 1,361 | 90 km |
| 2021 | NW SANDS - BLOCK E RX | 1,361 | 91 km |
| 2007 | PIONEER FIRE | 1,072 | 63 km |
| 1985 | UNNAMED | 1,068 | 96 km |
| 2018 | UNNAMED | 961 | 88 km |
| 2024 | NW SANDS BLOCK J RX | 911 | 93 km |
| 2024 | NW SANDS BLOCK B RX | 844 | 88 km |
| 2013 | CRANBERRY FIRE | 779 | 61 km |
| 2018 | NW SANDS BLOCK C | 771 | 90 km |
| 2024 | RX-64 | 553 | 62 km |
| 2007 | BN COMPLEX 2 | 547 | 74 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 0.9 in | Coldest |
| February | 16°F (-9°C) | 0.8 in | Driest |
| March | 28°F (-2°C) | 1.6 in | |
| April | 43°F (6°C) | 2.2 in | |
| May | 56°F (13°C) | 3.3 in | |
| June | 64°F (18°C) | 3.9 in | |
| July | 69°F (21°C) | 4.1 in | Warmest |
| August | 66°F (19°C) | 4.5 in | Wettest |
| September | 57°F (14°C) | 4.0 in | |
| October | 45°F (7°C) | 2.8 in | |
| November | 30°F (-1°C) | 1.9 in | |
| December | 15°F (-9°C) | 1.1 in |
Trego has a seasonal temperature swing of 58°F / from 11°F in January to 69°F in July. Total annual precipitation is 31.1 inches, with August being the wettest month (4.5") and February the driest (0.8").