Across the year, daylight in Jackson Hole ranges from about 8h 46m in December to 15h 14m in June — a 6h 28m swing that shapes sleep, mood and training rhythms. At about 6,200 ft, thinner air also makes hydration and gradual training progressions more important. From roughly November through February, the sun sits too low for much vitamin D production.
The nearest other Live10X city guide is Bozeman, about 152 miles away.
Jackson Hole by the numbers
- County
- Teton County
- Climate
- Mountain (alpine)
- Elevation
- about 6,200 ft
- Latitude
- 43.5°N
- Shortest day
- 8h 46m
- Longest day
- 15h 14m
- Vitamin D winter
- November through February
At a glance
Jackson Hole at a glance
- Top local priority in Jackson Hole: gradual altitude acclimatization.
- Daylight swings from about 8h 46m to 15h 14m across the year — anchor your wake time and get morning light.
- Sunlight is too weak for much vitamin D production from roughly November through February; a blood test shows where you stand.
- Use Grand Teton National Park and Snow King Mountain for easy, regular outdoor movement.
Climate & lifestyle
What living in Jackson Hole means for your health
Jackson Hole sits high in the mountains, with cool summers, snowy winters and thinner air. At this elevation every breath carries less oxygen and UV is stronger, so training feels harder at first, sleep can be lighter and hydration needs run higher.
- gradual altitude acclimatization
- hydration in thin, dry air
- winter light and vitamin D awareness
- high-altitude sun protection
Light, sleep & vitamin D
Daylight in Jackson Hole across the year
8h 46m
Shortest day (December)
15h 14m
Longest day (June)
~4 mo
Low-UVB “vitamin D winter”
At about 43.5°N, Jackson Hole sees a 6h 28m swing in day length between the solstices. At this latitude, winter sunlight is too weak for meaningful vitamin D production for roughly four months. That's roughly November through February. Bright morning light helps anchor your body clock, and a simple blood test shows whether your vitamin D is where it should be.
Calculated from latitude using standard solar formulas and published latitude research. How we calculate this
Local wellness trends
Wellness trends in Jackson Hole
Altitude & snow sports
Skiing, skinning and high-country hiking define life in Jackson Hole — and so does the recovery that thin air and cold demand.
Mountain & snow sports
Skiing, snowshoeing and backcountry touring keep Jackson Hole active through winter — with cold and altitude adding recovery demands.
Outdoor-first fitness
Trails and open space around Jackson Hole make zone 2 cardio feel like recreation — the kind of exercise people actually stick with.
Hiking & trail culture
Mountain trails near Jackson Hole turn hill training and zone 2 cardio into weekend adventures.
Local health optimization resources
Places to move, recover and eat well in Jackson Hole
- Protected landsGrand Teton National ParkWild landscapes for longer hikes and deep nature immersion.
- Mountain sportsSnow King MountainSkiing in winter and trails in summer for year-round mountain activity.
- Trailthe Jackson Hole Community PathwaysCar-free miles for zone 2 walks, runs and rides.
Testing
At-home wellness genetic testing
Available throughout Jackson Hole: order online, collect a sample at home and review results with a qualified professional.
Learn more about at-home wellness genetic testingHealthcare
Preventive care & baseline labs
Primary care clinicians in Teton County can order baseline labs — such as a lipid panel, HbA1c, vitamin D and B12 — useful context for any wellness plan.
Learn more about preventive care & baseline labsSeasonal playbook
A seasonal wellness playbook for Jackson Hole
- Winter: snow sports are the local workout — warm up, fuel well and respect avalanche forecasts in the backcountry.
- Summer: cool mornings are ideal for hiking and riding; UV is intense at altitude, so cover up.
- Year-round: new arrivals should ease into hard training for the first 1–2 weeks while the body adapts.
- Winter light: with only about 8h 46m of daylight in December, get outside in the morning and keep indoor lighting bright during the day.
Recommended reading
The most relevant guides for Jackson Hole residents
FAQ
Jackson Hole wellness FAQs
Do I need to visit a clinic in Jackson Hole for a wellness genetic test?
Does living at altitude in Jackson Hole affect sleep and training?
Can you get enough vitamin D from the sun in Jackson Hole?
How do seasonal daylight changes in Jackson Hole affect sleep?
What are good places to exercise outside in Jackson Hole?
The bottom line
Living well in Jackson Hole means working with its cool summers, snowy winters and thin mountain air: gradual altitude acclimatization, hydration in thin, dry air and winter light and vitamin D awareness. Add the fundamentals — consistent sleep, daily movement, strength training and a whole-food diet — and personalize with the wellness assessment and at-home testing.



