Best time to visit Prince William Forest Park
April, October and November are the best balance at Prince William Forest Park: mild and dry for the park (average highs 58° to 69°F), with crowds from busy to very busy. October is busiest, with about 37,000 visitors. January 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
- Quantico Mcas, VA USW00013773
- Lat / lon
- 38.50, -77.30
- Elevation
- 10 ft
- From park center
- 7.4 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sep | Octbest | Novbest | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 45° | 48° | 56° | 68° | 76° | 84° | 88° | 86° | 80° | 69° | 58° | 49° | 67° |
| Low, °F | 28° | 30° | 37° | 47° | 57° | 66° | 71° | 69° | 62° | 50° | 39° | 32° | 49° |
| Precipitation, in | 2.7 | 2.4 | 3.6 | 3.2 | 3.6 | 3.5 | 4.6 | 4.2 | 3.4 | 3.3 | 3.1 | 3.3 | 41.0 |
| Snow, in | 3.5 | 5.8 | 1.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.7 | 12.4 |
| Daylight, h:mm | 9:45 | 10:41 | 11:50 | 13:09 | 14:15 | 14:51 | 14:37 | 13:40 | 12:23 | 11:07 | 10:01 | 9:29 | |
| Visitors, thousands | 15 | 16 | 25 | 26 | 35 | 35 | 35 | 32 | 31 | 37 | 27 | 16 | 330 |
| Crowds | Moderate | Moderate | Busy | Busy | Very busy | Very busy | Very busy | Very busy | Very busy | Very busy | Busy | Moderate | |
| Weather | Cool | Cool | Mild, wet | Mild | Mild, wet | Hot | Hot | Hot | Mild, wet | Mild | Mild | Cool |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 45° | 28° | 2.7 | 3.5 | 9:45 | 15,000 | Moderate | Cool |
| February | 48° | 30° | 2.4 | 5.8 | 10:41 | 16,000 | Moderate | Cool |
| March | 56° | 37° | 3.6 | 1.4 | 11:50 | 25,000 | Busy | Mild, wet |
| Aprilbest | 68° | 47° | 3.2 | 0 | 13:09 | 26,000 | Busy | Mild |
| May | 76° | 57° | 3.6 | 0 | 14:15 | 35,000 | Very busy | Mild, wet |
| June | 84° | 66° | 3.5 | 0 | 14:51 | 35,000 | Very busy | Hot |
| July | 88° | 71° | 4.6 | 0 | 14:37 | 35,000 | Very busy | Hot |
| August | 86° | 69° | 4.2 | 0 | 13:40 | 32,000 | Very busy | Hot |
| September | 80° | 62° | 3.4 | 0 | 12:23 | 31,000 | Very busy | Mild, wet |
| Octoberbest | 69° | 50° | 3.3 | 0 | 11:07 | 37,000 | Very busy | Mild |
| Novemberbest | 58° | 39° | 3.1 | 0 | 10:01 | 27,000 | Busy | Mild |
| December | 49° | 32° | 3.3 | 1.7 | 9:29 | 16,000 | Moderate | Cool |
| Year | 67° | 49° | 41.0 | 12.4 | 330,000 | |||
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 88°F
- Coldest nights January, average low 28°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 330,000 (2023–2025 average)
- State Virginia
Closures, reservations and alerts: Prince William Forest Park on nps.gov
Nearby
- Manassas National Battlefield ParkBest: Apr and Nov · Virginia
- Piscataway ParkBest: Apr, Oct and Nov · Maryland
- George Washington Memorial ParkwayBest: Apr and Nov · Virginia
- Fort Washington ParkBest: Apr and Nov · Maryland