Daylight through the yearLongest day (Jun 21): 15 h 40 min5:10 am – 8:50 pmShortest day (Dec 21): 8 h 44 min7:35 am – 4:18 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 80°F, lows 57°FColdest month January: highs 22°F, lows 3°F34 in of rain a year, on about 72 dayswettest month June54 in of snow a year, on about 39 days5 days above 90°F, 182 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Merrill station, 12 mi away
Parks and public landsBill Cross Wildlife Areastate recreation area · 4.9 mi · 1,504 acresSpring Lake Fishery Areastate recreation area · 7.6 mi · 277 acresAlta Springs Fishery Areastate recreation area · 8.1 mi · 139 acresIce Age Trailstate recreation area · 8.6 miNew Wood Wildlife Areastate recreation area · 9.1 mi · 2,703 acresCouncil Grounds State Parkstate park · 10.3 miSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowLincoln County, WI, compared with all US countiesHigher-risk hazardsCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality77% of days had good air in 2025262 of 342 days measured71 moderate, 5 unhealthy for sensitive groups, 4 unhealthy daysMedian index 36, worst day 168main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Marathon County, WI, 30 mi away
Drinking waterMerrill Waterworksserves 9,661 people from ground water1 health-based violation since 2021latest Oct 2025: coliform bacteria, treatment technique1 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation1,544 ft471 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalAscension Sacred Heart Hospital10.3 miPost officeIrma Post Office3.3 miTown hallBirch Town Hall3.7 miPoliceTomahawk Police Department9.3 miFire stationTomahawk Fire Department9.3 miSource: USGS National Structures Dataset
Getting aroundAirportRhinelander Oneida County Airport RHI24 miInterstateI-3931 miUS highwayUS 512.8 miCoachWausau N 6th StGreyhound27 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 54532 ZIP area.