Across the year, daylight in Savannah ranges from about 9h 54m in December to 14h 6m in June — a 4h 12m swing that shapes sleep, mood and training rhythms. From roughly late December to January, the sun sits too low for much vitamin D production.
The nearest other Live10X city guide is Charleston, about 83 miles away.
Savannah by the numbers
- County
- Chatham County
- Climate
- Humid subtropical
- Elevation
- near sea level
- Latitude
- 32.1°N
- Shortest day
- 9h 54m
- Longest day
- 14h 6m
- Vitamin D winter
- Late December to January
At a glance
Savannah at a glance
- Top local priority in Savannah: heat-smart summer training.
- Daylight swings from about 9h 54m to 14h 6m across the year — anchor your wake time and get morning light.
- Sunlight is too weak for much vitamin D production from roughly late December to January; a blood test shows where you stand.
- Use Forsyth Park and Tybee Island's beaches for easy, regular outdoor movement.
Climate & lifestyle
What living in Savannah means for your health
Savannah has a humid subtropical climate — long, hot and humid summers, mild to cool winters and rain spread through the year, with summer thunderstorms. Summer heat is the main training and sleep challenge; spring and fall are prime outdoor seasons.
- heat-smart summer training
- hydration with electrolytes
- protecting sleep on hot nights
- making the most of spring and fall outdoors
Light, sleep & vitamin D
Daylight in Savannah across the year
9h 54m
Shortest day (December)
14h 6m
Longest day (June)
~1 mo
Low-UVB “vitamin D winter”
At about 32.1°N, Savannah sees a 4h 12m swing in day length between the solstices. UVB is weakest in midwinter, but midday sun can still support vitamin D production most of the year. That's roughly late December to January. 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 Savannah
Heat-season strategy
Long summers in Savannah push workouts to early mornings, shaded trails and indoor gyms — and make hydration a year-round habit.
Wellness travel
Visitors and locals alike seek out spas, recovery studios and wellness experiences in and around Savannah.
Mind-body wellness
Yoga studios, meditation groups and a creative culture support stress resilience in Savannah.
Beach & waterfront workouts
Sunrise walks, beach runs and open-water swims along the Atlantic give Savannah a natural outdoor gym.
Local health optimization resources
Places to move, recover and eat well in Savannah
- ParkForsyth ParkGreen space for walks, bodyweight workouts and time in nature.
- BeachTybee Island's beachesWalking, swimming and low-impact movement — bring sun protection.
- Waterfrontthe Savannah riverfrontWaterfront paths for easy cardio and outdoor time.
Testing
At-home wellness genetic testing
Available throughout Savannah: 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 Chatham 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 labsNutrition
Farmers markets & local food
Savannah's food scene makes it easier to eat 30+ different plants a week — shop seasonal produce at local farmers markets.
Learn more about farmers markets & local foodSeasonal playbook
A seasonal wellness playbook for Savannah
- Summer: move hard sessions to early morning or indoors, and watch the heat index, not just the temperature.
- Spring and fall: your best months for long walks, runs, rides and outdoor strength work.
- Winter: mild days keep outdoor activity possible — use them to maintain your aerobic base.
- Year-round: day length only varies by about 4h 12m, so a consistent sleep schedule is easy to hold — protect it.
Recommended reading
The most relevant guides for Savannah residents
FAQ
Savannah wellness FAQs
Can I take a wellness genetic test in Savannah?
What's the best time of year to exercise outdoors in Savannah?
Can you get enough vitamin D from the sun in Savannah?
How do seasonal daylight changes in Savannah affect sleep?
What are good places to exercise outside in Savannah?
The bottom line
Living well in Savannah means working with its hot, humid summers and mild winters: heat-smart summer training, hydration with electrolytes and protecting sleep on hot nights. Add the fundamentals — consistent sleep, daily movement, strength training and a whole-food diet — and personalize with the wellness assessment and at-home testing.



