Daylight through the yearLongest day (Jun 21): 15 h 46 min5:45 am – 9:30 pmShortest day (Dec 21): 8 h 38 min8:15 am – 4:53 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 82°F, lows 50°FColdest month December: highs 32°F, lows 19°F15 in of rain a year, on about 46 dayswettest month June88 in of snow a year, on about 59 days22 days above 90°F, 167 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Darby station, 7 mi away; snow from Sula 14 Ne
Nearby landmarksCold Spring Hillpeak · under a mileCold Springsspring · under a mileBlacktail Pointpeak · 2.4 miSleeping Child Hot Springsspring · 3.6 miCrystal Pointcape · 8.6 miShannon Lakelake · 9.1 miSource: USGS Geographic Names Information System
Parks and public landsBitterroot National Forestnational forest · within reach · 1,127,056 acresHannon Memorial Fishing Access Sitestate recreation area · 7.7 mi · 58 acresLake Comorecreation area · 9.0 mi · 1,428 acresC. Ben White Memorial Fishing Access Sitestate recreation area · 10.3 mi · 97 acresNezperce National Forestnational forest · 21.6 miPainted Rocks State Parkstate park · 28.9 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes9 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.0 on 28 Jun 200046 mi away, near Clinton, MontanaMost recent: magnitude 3.4 on 2 Oct 202536 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowRavalli County, MT, compared with all US countiesHigher-risk hazardsWildfire Relatively HighWinter weather Relatively HighAvalanche Relatively HighSource: FEMA National Risk Index (county level)
Air quality79% of days had good air in 2025286 of 361 days measured74 moderate, 1 unhealthy for sensitive groups daysMedian index 21, worst day 123main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Ravalli County monitors, MT
Drinking waterCity of Hamiltonserves 5,660 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation6,471 ft1,972 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalBitterroot Health Daly Hospital14.4 miPost officeDarby Post Office7.1 miTown hallDarby Town Hall7.2 miPoliceDarby Police Department7.1 miFire stationDarby Volunteer Fire Department7.1 miSource: USGS National Structures Dataset
Getting aroundAirportMissoula Montana Airport MSO59 miUS highwayUS 936.4 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 59835 ZIP area.
