Best time to visit World War I Memorial
April and November are the best balance at World War I Memorial: mild and dry for the park (average highs 58° to 68°F), with crowds from busy to very busy. April is busiest, with about 126,000 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
- Washington Reagan AP, VA USW00013743
- Lat / lon
- 38.85, -77.03
- Elevation
- 10 ft
- From park center
- 3.3 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sep | Oct | Novbest | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 45° | 48° | 57° | 68° | 77° | 85° | 90° | 88° | 81° | 69° | 58° | 49° | 68° |
| Low, °F | 30° | 32° | 39° | 48° | 58° | 68° | 72° | 71° | 64° | 52° | 42° | 35° | 51° |
| Precipitation, in | 2.9 | 2.6 | 3.5 | 3.2 | 3.9 | 4.2 | 4.3 | 3.3 | 3.9 | 3.7 | 2.9 | 3.4 | 41.8 |
| Snow, in | 4.9 | 5.0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1.7 | 13.7 |
| Daylight, h:mm | 9:43 | 10:41 | 11:50 | 13:10 | 14:16 | 14:53 | 14:38 | 13:41 | 12:24 | 11:07 | 10:00 | 9:27 | |
| Visitors, thousands | 39 | 41 | 113 | 126 | 124 | 104 | 88 | 82 | 75 | 92 | 72 | 50 | 1,005 |
| Crowds | Moderate | Moderate | Very busy | Very busy | Very busy | Very busy | Busy | Busy | Busy | Busy | Busy | Moderate | |
| Weather | Cool | Cool | Mild, wet | Mild | Mild, wet | Hot | Hot | Hot | Hot | Mild, wet | Mild | Cool |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 45° | 30° | 2.9 | 4.9 | 9:43 | 39,000 | Moderate | Cool |
| February | 48° | 32° | 2.6 | 5.0 | 10:41 | 41,000 | Moderate | Cool |
| March | 57° | 39° | 3.5 | 2.0 | 11:50 | 113,000 | Very busy | Mild, wet |
| Aprilbest | 68° | 48° | 3.2 | 0 | 13:10 | 126,000 | Very busy | Mild |
| May | 77° | 58° | 3.9 | 0 | 14:16 | 124,000 | Very busy | Mild, wet |
| June | 85° | 68° | 4.2 | 0 | 14:53 | 104,000 | Very busy | Hot |
| July | 90° | 72° | 4.3 | 0 | 14:38 | 88,000 | Busy | Hot |
| August | 88° | 71° | 3.3 | 0 | 13:41 | 82,000 | Busy | Hot |
| September | 81° | 64° | 3.9 | 0 | 12:24 | 75,000 | Busy | Hot |
| October | 69° | 52° | 3.7 | 0 | 11:07 | 92,000 | Busy | Mild, wet |
| Novemberbest | 58° | 42° | 2.9 | 0.1 | 10:00 | 72,000 | Busy | Mild |
| December | 49° | 35° | 3.4 | 1.7 | 9:27 | 50,000 | Moderate | Cool |
| Year | 68° | 51° | 41.8 | 13.7 | 1,005,000 | |||
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 90°F
- Coldest nights January, average low 30°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 1,005,000 (2023–2025 average)
- State Washington, DC
Closures, reservations and alerts: World War I Memorial on nps.gov
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