Updated October 2026
Arlington House, The Robert E. Lee Memorial Weather by Month
Arlington House, The Robert E. Lee Memorial is warmest in July, when the nearest NOAA climate station averages a high of 90°F and a low of 72°F, and coldest in January, with an average high of 45°F and an average low of 30°F. July is the wettest month, with about 4.3 inches of precipitation. Snowfall is heaviest in February, at about 5 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 3.2 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Arlington House, The Robert E. Lee Memorial can differ from these, particularly with elevation.
Warmest month
Jul
90°F avg high
Coldest month
Jan
30°F avg low
Wettest month
Jul
4.3 in avg
Snowiest month
Feb
5.0 in avg
Longest days
Jun
14.7 h of daylight
Average weather at Arlington House, The Robert E. Lee Memorial by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 45°F | 30°F | 2.9 in | 4.9 in | 9.6 h |
| February | 48°F | 32°F | 2.6 in | 5.0 in | 10.5 h |
| March | 57°F | 39°F | 3.5 in | 2.0 in | 11.7 h |
| April | 68°F | 48°F | 3.2 in | 0.0 in | 13.0 h |
| May | 77°F | 58°F | 3.9 in | 0.0 in | 14.1 h |
| June | 85°F | 68°F | 4.2 in | 0.0 in | 14.7 h |
| July | 90°F | 72°F | 4.3 in | 0.0 in | 14.5 h |
| August | 88°F | 71°F | 3.3 in | 0.0 in | 13.5 h |
| September | 81°F | 64°F | 3.9 in | 0.0 in | 12.2 h |
| October | 69°F | 52°F | 3.7 in | 0.0 in | 11.0 h |
| November | 58°F | 42°F | 2.9 in | 0.1 in | 9.8 h |
| December | 49°F | 35°F | 3.4 in | 1.7 in | 9.3 h |
| Year total | 41.8 in | 13.7 in |
NOAA 1991–2020 climate normals from station USW00013743, 3.2 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Arlington House, The Robert E. Lee Memorial is at that time of year.
Arlington House, The Robert E. Lee Memorial weather by season
Winter: December to February
Average highs bottom out at 45°F in January, between 49°F in December and 48°F in February, with average lows between 30°F and 35°F. The average low is at or below freezing in January and February. Together the three months average 8.9 inches of precipitation, about 21% of the yearly total and less than in any other season. Snowfall averages about 12 inches for the season. Daylight is at its shortest, about 9.3 hours in December.
Spring: March to May
Average highs climb from 57°F in March to 77°F in May, with average lows between 39°F and 58°F. Together the three months average 10.6 inches of precipitation, about 25% of the yearly total. Snowfall averages about 2 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.1 in May.
Summer: June to August
Average highs peak at 90°F in July, between 85°F in June and 88°F in August, with average lows between 68°F and 72°F. The average high is 90°F or hotter in July. Together the three months average 11.8 inches of precipitation, about 28% of the yearly total and more than in any other season. Daylight is at its longest, about 14.7 hours in June.
Fall: September to November
Average highs fall from 81°F in September to 58°F in November, with average lows between 42°F and 64°F. Together the three months average 10.5 inches of precipitation, about 25% of the yearly total. Snowfall averages about 0.1 inches for the season. Daylight shortens from about 12.2 hours in September to 9.8 in November.
What the National Park Service says about the weather
Summers at Arlington House are generally hot and humid, with daytime highs frequently above 90 degrees Fahrenheit and scattered afternoon thunderstorms. Please carry water while participating in physical activity and be prepared to take shelter from lightning. Winters at Arlington are generally cold, with nighttime lows frequently near freezing and occasional snowfall. Please be alert for snowplows and icy spots on roadways. Weather during spring and fall is generally moderate, but can change quickly.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Arlington House, The Robert E. Lee Memorial
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 38.88°N, 77.07°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Arlington House, The Robert E. Lee Memorial →
Weather and crowds together
July, the warmest month, sees about 1.3× the visitors of the park's average month. May is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Arlington House, The Robert E. Lee Memorial. For hotels, cabins and rentals close to the park, see where to stay near Arlington House, The Robert E. Lee Memorial.
Where to stay near Arlington House, The Robert E. Lee Memorial
Picked a month for Arlington House, The Robert E. Lee Memorial? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Arlington House, The Robert E. Lee Memorial
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Arlington House, The Robert E. Lee Memorial?
Get crowd forecasts and lodging deals for Arlington House, The Robert E. Lee Memorial by email. No spam, unsubscribe anytime.
Frequently Asked Questions
July is the warmest month at Arlington House, The Robert E. Lee Memorial, with an average high of 90°F and an average low of 72°F. That is the 1991–2020 average at the nearest long-record NOAA station, 3.2 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Arlington House, The Robert E. Lee Memorial, with an average low of 30°F and an average high of 45°F, based on NOAA 1991–2020 climate normals.
July is the wettest month, with about 4.3 inches of precipitation. February is the driest, at about 2.6 inches. The station records about 41.8 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 3.2 miles from the park's reference point, averages about 14 inches of snow a year. February is the snowiest month, at about 5 inches. The station averages at least a tenth of an inch of snow in 5 of the 12 months.
Weather at nearby parks
1 mi away · warmest in July (90°F)
1 mi away · warmest in July (90°F)
1 mi away · warmest in July (90°F)
1 mi away · warmest in July (90°F)
2 mi away · warmest in July (90°F)
2 mi away · warmest in July (90°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00013743), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.