Dark times
When Washington Night Falls: What Time It Gets Dark in DC, Month by Month
Sunset moves almost four hours through the year, from 4:46pm in early December to 8:38pm in late June. What that means for a 7:30pm start, month by month.
Washington Night Blog
Short answers to the questions people ask before an evening on the Mall. When does it get dark? How do you get back? What should you wear? Planning a nighttime tour of washington dc? The fares sit side by side there.
Start with the dark times if you are choosing a month or a start time, then the post on getting back, which sets the Metro hours against the time each tour ends. The clothing post turns the evening temperatures into a list. The last two go deeper: the memorial of the flag raisers across the river, and Georgetown after dark. Longer planning pieces are in the guides.
Getting back
Getting Back After a Washington Night Out: End Times and the Last Metro
Most evenings finish between 10 and 10:30pm. When the Metro stops, which starting kerbs sit on a station, and the last-train check to make before you set out.
What to wear
What to Wear for a Washington Night on the Mall, Month by Month
Evening lows from about 30°F in January to 72°F in July, glass tops from October, and what to carry when rain is forecast for the evening.
The memorials
The Flag Raisers After Dark: Arlington's Memorial on a Washington Night
Figures 32 feet high, a flag that flies day and night by presidential proclamation, and the river crossing that decides whether your evening reaches it.
Georgetown
Georgetown After Dark: A Washington Night of Ghost Stories and the House from 1765
The oldest structure in the city still on its original foundation, built in 1765, and a 90-minute evening walk from its yard to the steps from the film.
The practical answers are in the visitor guide and the FAQs, and every tour is compared on Washington Night Tours.