Best Time to Visit Cumberland Island National Seashore
OctoberBest month to visit
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Visit Cumberland Island in October
October offers pleasant weather with noticeably thinner crowds (shoulder season). For comparison, March is the most crowded month (~1.6× the average month) and January is the quietest.
Annual visits
60K
2025
Busiest month
Mar
1.6× avg
Quietest month
Jan
0.6× avg
10-yr trend
rising
+18.4%
More photos of Cumberland Island
Photos courtesy of the National Park Service (public domain).
How crowded is Cumberland Island by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1979–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Avg high / low | Daylight |
|---|---|---|---|---|
| January | Quiet | 68 Good | 62°F / 43°F | 10.2 h |
| February | Average | 60 Good | 65°F / 45°F | 10.9 h |
| March | Busy | 39 Poor | 70°F / 51°F | 11.8 h |
| April | Busy | 51 Fair | 76°F / 57°F | 12.8 h |
| May | Busy | 55 Fair | 82°F / 65°F | 13.6 h |
| June | Average | 54 Fair | 86°F / 71°F | 14.0 h |
| July | Busy | 47 Fair | 89°F / 74°F | 13.8 h |
| August | Quiet | 70 Good | 89°F / 74°F | 13.1 h |
| September | Quiet | 74 Good | 85°F / 71°F | 12.2 h |
| October★ best | Quiet | 76 Excellent | 79°F / 62°F | 11.2 h |
| November | Quiet | 71 Good | 71°F / 52°F | 10.4 h |
| December | Quiet | 68 Good | 65°F / 46°F | 10.0 h |
Climate normals (1991–2020) from the nearest NOAA station (USW00063856, ~3.5 mi away).
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About visiting Cumberland Island
Cumberland Island National Seashore is a National Seashore in GA and a relatively quiet park, drawing about 60,000 recreation visits in 2025. Visitation has climbed over the past decade, up roughly 18.4%, so crowds are trending heavier each year. Crowds concentrate sharply by season: March is the busiest month at about 1.6× the park's average month, while January is the calmest at roughly 0.6× — a 3-to-1 swing between high and low season. Roughly 26% of the year's visitors arrive in the three summer months of June, July and August alone, so timing a trip outside that window is the single biggest lever on how crowded the park feels. Weather swings from an average high-season warmth near 81°F in July down to about 53°F in January, with the wettest stretch in August. About 10 months a year see comfortable average temperatures in the 50–80°F range, which is part of why crowd timing and weather timing don't always line up. The sweet spot is October: pleasant weather with noticeably thinner crowds (shoulder season). Visit then and you trade a little peak-season certainty for noticeably shorter lines and easier parking than the March rush. Daylight ranges from about 10.0 hours in midwinter to 14.0 hours near the summer solstice, which shapes how much ground you can cover in a day. A standard private-vehicle entrance pass runs about $15, valid for several days, so a shoulder-season trip stretches that fee across quieter, more comfortable days. These crowd figures are drawn from 1979–2025 of National Park Service visitor-use records, paired with 1991–2020 NOAA climate normals, and are updated as new monthly data is released.
Park overview
St Marys is the gateway to Cumberland Island, Georgia's largest and southernmost barrier island. Here pristine maritime forests, undeveloped beaches and wide marshes whisper the stories of both man and nature. Natives, missionaries, enslaved African Americans and Wealthy Industrialists all walked here. Cumberland Island is also home to over 9,800 acres of Congressionally designated Wilderness.
Weather & conditions
Cumberland Island’s climate is hot and humid during summer when temperatures tend to be in the 80's (>26 C) and mild during winter when temperatures tend to be in the 60's (<20 C). The warmest month of the year is July with an average high of 90 degrees F (32 C), while the coldest is January with an average low of 45 degrees F (44 C). Visit the Current Conditions page for an up-to-date local forecast: https://www.nps.gov/cuis/planyourvisit/conditions.htm#weather
Park overview text courtesy of the National Park Service — official park site.
Where to stay near Cumberland Island
Hotels, cabins, lodges and vacation rentals near Cumberland Island National Seashore — live availability and prices to plan your trip. October is our pick for the best balance of light crowds and good weather.
Top-rated places to stay near Cumberland Island
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Getting to Cumberland Island
The nearest airport is Jacksonville International Airport (JAX), about 40 mi (1 hr 3 min drive) away. Most visitors reach Cumberland Island by car.
Entrance fees
A standard private-vehicle entrance pass is about $15, typically valid for several days.
Frequently Asked Questions
October offers pleasant weather with noticeably thinner crowds (shoulder season) at Cumberland Island National Seashore. The park is busiest in March (about 1.6× the average month) and quietest in January.
March is the busiest month at Cumberland Island National Seashore, running roughly 1.6 times the park's average monthly visitation.
January is the quietest month at Cumberland Island National Seashore, at about 0.6× the average month — a good choice if you want to avoid crowds.
Cumberland Island National Seashore recorded about 60,299 recreation visits in 2025. Visitation has been rising over the past decade (+18.4%).
Based on 1991–2020 climate normals, the warmest month at Cumberland Island National Seashore averages about 81°F (July). See the month-by-month table above for the full picture.
Jacksonville International Airport (JAX) is the closest airport to Cumberland Island National Seashore, about 40 mi (1 hr 3 min drive) away.
Nearby parks to visit
Keep exploring
Beach water quality near Cumberland Island
Beaches within a 40-mile drive, graded on multi-year bacteria sampling from EPA BEACON — worth checking before you plan a swim day.
- North Beach Park water qualityGrade A · 12 mi · FL
- Glory Beach water qualityGrade A · 12 mi · GA
- South Dunes Beach (Jekyll) water qualityGrade A · 13 mi · GA
- Sadler Road water qualityGrade A · 15 mi · FL
- Summer Beach water qualityGrade A · 18 mi · FL
Sources: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI U.S. Climate Normals 1991–2020. Crowd index = a month's visits ÷ the park's average month.