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Weather & Climate in Jolmaville, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jolmaville has a cool climate with an average annual temperature of 40°F (5°C). Winters average 11°F in January while summers reach 66°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 34.7 inches. The area receives 102.6 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 760 feet.
Temperature
11°F Jan (-11°C)
66°F Jul (19°C)
| Annual Average | 40.4°F |
| 25% below US avg | |
| January Average | 11°F (-11°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 760 ft (232 m) |
| Area | 12.5 sq mi (32.3 km²) |
| Population Density | 8/sq mi |
| Coordinates | 46.4331°N, 90.7498°W |
| Timezone | America/Chicago |
| County | Ashland County County |
| Nearest Airport | Duluth International (DLH) 74 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.7 / 100 |
| Social Vulnerability | 63.7 / 100 |
| Community Resilience | 73.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
67 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 2 fatalities, 50 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 8, 1985 | EF3 | 60 km | 68.0 mi | 2 |
| Jul 7, 1970 | EF3 | 63 km | 37.9 mi | 0 |
| Jul 1, 2011 | EF2 | 87 km | 2.9 mi | 0 |
| Jul 27, 2010 | EF2 | 25 km | 0.9 mi | 0 |
| Jun 27, 1991 | EF2 | 94 km | 6.0 mi | 0 |
| Sep 3, 1980 | EF2 | 88 km | 9.9 mi | 0 |
| Sep 20, 1972 | EF2 | 88 km | 13.1 mi | 0 |
| Jun 26, 1969 | EF2 | 86 km | 28.9 mi | 0 |
| Jun 30, 1968 | EF2 | 82 km | 39.0 mi | 0 |
| Aug 14, 1961 | EF2 | 51 km | 4.5 mi | 0 |
| Jul 14, 1958 | EF2 | 60 km | 1.5 mi | 0 |
| Jun 4, 1958 | EF2 | 99 km | 13.8 mi | 0 |
| Jul 18, 2020 | EF1 | 13 km | 0.6 mi | 0 |
| Jul 18, 2020 | EF1 | 73 km | 0.4 mi | 0 |
| Jul 18, 2019 | EF1 | 67 km | 1.3 mi | 0 |
| Jul 11, 2016 | EF1 | 53 km | 2.4 mi | 0 |
| Jul 11, 2016 | EF1 | 46 km | 2.3 mi | 0 |
| May 22, 2011 | EF1 | 73 km | 3.3 mi | 0 |
| Jul 27, 2010 | EF1 | 57 km | 4.8 mi | 0 |
| Jun 5, 2005 | EF1 | 91 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
18 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 | 67 km |
| 2019 | NW SANDS UNITS I/F/C/A | 3,386 | 46 km |
| 2016 | UNNAMED | 2,682 | 47 km |
| 2013 | UNNAMED | 2,240 | 46 km |
| 2014 | UNNAMED | 2,116 | 42 km |
| 2015 | UNNAMED | 1,407 | 44 km |
| 2015 | UNNAMED | 1,361 | 47 km |
| 2021 | NW SANDS - BLOCK E RX | 1,361 | 43 km |
| 2019 | RILEY | 1,254 | 81 km |
| 2007 | PIONEER FIRE | 1,072 | 39 km |
| 2018 | UNNAMED | 961 | 45 km |
| 2024 | NW SANDS BLOCK J RX | 911 | 48 km |
| 2024 | NW SANDS BLOCK B RX | 844 | 45 km |
| 2018 | NW SANDS BLOCK C | 771 | 42 km |
| 1987 | FOULDS CREEK | 750 | 84 km |
| 2022 | BRINKS 8C - SOUTH RX | 725 | 40 km |
| 2022 | UNNAMED | 702 | 81 km |
| 2022 | LDF MARSH BURN 2022 | 503 | 77 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-11°C) | 1.3 in | Coldest |
| February | 16°F (-9°C) | 0.9 in | Driest |
| March | 27°F (-3°C) | 1.9 in | |
| April | 40°F (5°C) | 2.2 in | |
| May | 53°F (12°C) | 3.3 in | |
| June | 61°F (16°C) | 3.7 in | |
| July | 66°F (19°C) | 3.9 in | Warmest |
| August | 65°F (18°C) | 4.1 in | Wettest |
| September | 57°F (14°C) | 3.9 in | |
| October | 46°F (8°C) | 2.8 in | |
| November | 31°F (-1°C) | 2.3 in | |
| December | 17°F (-8°C) | 1.5 in |
Jolmaville has a seasonal temperature swing of 55°F / from 11°F in January to 66°F in July. Total annual precipitation is 31.8 inches, with August being the wettest month (4.1") and February the driest (0.9").