Best time to visit Gettysburg National Military Park
April and November are the best balance at Gettysburg National Military Park: mild and dry for the park (average highs 56° to 64°F), with crowds from moderate to busy. May is busiest, with about 104,000 visitors. December is the quietest, with highs near 45°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Eisenhower Nhs, PA USC00362537
- Lat / lon
- 39.80, -77.23
- Elevation
- 540 ft
- From park center
- 0.6 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sep | Oct | Novbest | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 40° | 43° | 52° | 64° | 73° | 82° | 86° | 85° | 78° | 66° | 56° | 45° | 64° |
| Low, °F | 21° | 22° | 30° | 40° | 49° | 57° | 63° | 61° | 54° | 43° | 32° | 26° | 42° |
| Precipitation, in | 3.5 | 2.7 | 3.6 | 3.4 | 4.1 | 4.7 | 3.6 | 4.1 | 4.6 | 3.7 | 3.0 | 3.3 | 44.5 |
| Snow, in | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Daylight, h:mm | 9:38 | 10:38 | 11:49 | 13:12 | 14:21 | 14:58 | 14:44 | 13:44 | 12:24 | 11:05 | 9:56 | 9:22 | |
| Visitors, thousands | 15 | 20 | 46 | 75 | 104 | 103 | 95 | 67 | 66 | 88 | 41 | 18 | 738 |
| Crowds | Quiet | Quiet | Moderate | Busy | Very busy | Very busy | Very busy | Busy | Busy | Very busy | Moderate | Quiet | |
| Weather | Cold | Cool | Cool | Mild | Mild, wet | Hot | Hot | Hot | Mild, wet | Mild, wet | Mild | Cool |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 40° | 21° | 3.5 | – | 9:38 | 15,000 | Quiet | Cold |
| February | 43° | 22° | 2.7 | – | 10:38 | 20,000 | Quiet | Cool |
| March | 52° | 30° | 3.6 | – | 11:49 | 46,000 | Moderate | Cool |
| Aprilbest | 64° | 40° | 3.4 | – | 13:12 | 75,000 | Busy | Mild |
| May | 73° | 49° | 4.1 | – | 14:21 | 104,000 | Very busy | Mild, wet |
| June | 82° | 57° | 4.7 | – | 14:58 | 103,000 | Very busy | Hot |
| July | 86° | 63° | 3.6 | – | 14:44 | 95,000 | Very busy | Hot |
| August | 85° | 61° | 4.1 | – | 13:44 | 67,000 | Busy | Hot |
| September | 78° | 54° | 4.6 | – | 12:24 | 66,000 | Busy | Mild, wet |
| October | 66° | 43° | 3.7 | – | 11:05 | 88,000 | Very busy | Mild, wet |
| Novemberbest | 56° | 32° | 3.0 | – | 9:56 | 41,000 | Moderate | Mild |
| December | 45° | 26° | 3.3 | – | 9:22 | 18,000 | Quiet | Cool |
| Year | 64° | 42° | 44.5 | – | 738,000 | |||
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 86°F
- Coldest nights January, average low 21°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 738,000 (2023–2025 average)
- State Pennsylvania
Closures, reservations and alerts: Gettysburg National Military Park on nps.gov
Nearby
- Eisenhower National Historic SiteBest: Apr and Nov · Pennsylvania
- Catoctin Mountain ParkBest: Apr · Maryland
- Monocacy National BattlefieldBest: Apr, Oct and Nov · Maryland
- Antietam National BattlefieldBest: Oct and Nov · Maryland