Best time to visit Fort Sumter and Fort Moultrie National Historical Park
February, November and December are the best balance at Fort Sumter and Fort Moultrie National Historical Park: mild and dry for the park (average highs 61° to 69°F), with crowds from moderate to busy. April is busiest, with about 62,000 visitors. January is the quietest.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Sullivans Is, SC USC00388405
- Lat / lon
- 32.76, -79.86
- Elevation
- 5 ft
- From park center
- 1.4 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Febbest | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Novbest | Decbest | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 59° | 61° | 67° | 75° | 82° | 88° | 91° | 90° | 86° | 78° | 69° | 62° | 76° |
| Low, °F | 37° | 39° | 45° | 54° | 63° | 70° | 73° | 72° | 68° | 58° | 47° | 40° | 55° |
| Precipitation, in | 3.8 | 3.3 | 3.5 | 3.6 | 3.3 | 5.4 | 6.0 | 6.7 | 5.5 | 3.9 | 3.0 | 3.6 | 51.6 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 10:13 | 10:58 | 11:53 | 12:57 | 13:49 | 14:18 | 14:07 | 13:21 | 12:20 | 11:19 | 10:26 | 10:00 | |
| Visitors, thousands | 22 | 31 | 61 | 62 | 54 | 60 | 61 | 41 | 34 | 40 | 35 | 37 | 537 |
| Crowds | Moderate | Moderate | Very busy | Very busy | Very busy | Very busy | Very busy | Busy | Moderate | Busy | Busy | Busy | |
| Weather | Mild, wet | Mild | Mild | Mild | Hot | Hot | Very hot | Hot | Hot | Mild, wet | Mild | Mild |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 59° | 37° | 3.8 | – | 10:13 | 22,000 | Moderate | Mild, wet |
| Februarybest | 61° | 39° | 3.3 | – | 10:58 | 31,000 | Moderate | Mild |
| March | 67° | 45° | 3.5 | – | 11:53 | 61,000 | Very busy | Mild |
| April | 75° | 54° | 3.6 | – | 12:57 | 62,000 | Very busy | Mild |
| May | 82° | 63° | 3.3 | – | 13:49 | 54,000 | Very busy | Hot |
| June | 88° | 70° | 5.4 | – | 14:18 | 60,000 | Very busy | Hot |
| July | 91° | 73° | 6.0 | – | 14:07 | 61,000 | Very busy | Very hot |
| August | 90° | 72° | 6.7 | – | 13:21 | 41,000 | Busy | Hot |
| September | 86° | 68° | 5.5 | – | 12:20 | 34,000 | Moderate | Hot |
| October | 78° | 58° | 3.9 | – | 11:19 | 40,000 | Busy | Mild, wet |
| Novemberbest | 69° | 47° | 3.0 | – | 10:26 | 35,000 | Busy | Mild |
| Decemberbest | 62° | 40° | 3.6 | – | 10:00 | 37,000 | Busy | Mild |
| Year | 76° | 55° | 51.6 | – | 537,000 | |||
Year: average high and low, total precipitation and snowfall, total visitors. T = trace (under 0.05 in). – = not measured at this station. Updated .
- Hottest July, average high 91°F
- Coldest nights January, average low 37°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 537,000 (2023–2025 average)
- State South Carolina
Closures, reservations and alerts: Fort Sumter and Fort Moultrie National Historical Park on nps.gov
Nearby
- Fort Pulaski National MonumentBest: Jan, Nov and Dec · Georgia
- Congaree National ParkBest: Feb, Oct and Nov · South Carolina
- Fort Frederica National MonumentBest: Feb, Nov and Dec · Georgia
- Moores Creek National BattlefieldBest: Jan, Mar and Nov · North Carolina