When should I visit New York City, United States, for the best experience?

The National Weather Service's Central Park almanac, built on 1991–2020 normals, shows October sliding steadily rather than switching: the normal daily high falls from 70°F (21.1°C) on October 1 to 59°F (15°C) on October 31, and the normal low from 57°F (13.9°C) to 46°F (7.8°C). The whole month averages 4.38 inches (111 mm) of precipitation and 0.1 inches of snow, so the risk of a washed-out day exists but the risk of a snowed-out one barely does.

Compare that with the two months most visitors instinctively choose. July normals run a mean maximum of 84.9°F (29.4°C) against a mean minimum of 70.1°F (21.2°C), with 4.6 inches (117 mm) of rain — the nights do not cool off, which matters in a city where subway platforms sit below ground. January reverses it: a mean maximum of 39.5°F (4.2°C), a mean minimum of 27.9°F (-2.3°C), 3.64 inches (92 mm) of precipitation and a mean 8.8 inches (22 cm) of snow.

Shoulder season also fits the way the big institutions run their weeks. The Metropolitan Museum of Art opens 10 am to 5 pm on Sunday, Monday, Tuesday and Thursday, extends to 9 pm on Friday and Saturday, and closes entirely on Wednesday. An autumn Friday evening at the Met and a Saturday outdoors is a far better pairing than the reverse.

By late October the park's deciduous canopy has turned while the normal high is still in the low 60s, so the one place in Manhattan with enough trees to register a season does so under conditions that are still comfortable for a long walk.

Four dates close the Met completely: Thanksgiving Day, December 25, January 1, and the first Monday in May. That last one catches people out, because it is a Monday in an otherwise ordinary spring week. Build a Monday around the museum and you can lose the whole reason you came.

• Early morning — Harbor sites run on ferry capacity, not opening hours, so the first boats of the day clear fastest.
• Afternoon — October's normal high peaks before the light goes; the drop from a 70°F start to a 59°F end of month is felt most after 4 pm.
• Friday and Saturday evening — The Met's 9 pm close is the only time the Fifth Avenue galleries stay open late.

Statue of Liberty and Ellis Island access depends on a ferry operated under concession, and the National Park Service names the ticket office inside Castle Clinton at The Battery as the only authorized on-site seller — unauthorized sellers work the same plaza. The Park Service also states that America the Beautiful passes and NPS fee-free days do not apply at the monument, because the ferry charge is a transportation fee rather than an entrance fee. A rainy October day, at 4.38 inches spread across the month, is likelier than a snowy one, so an indoor fallback is worth holding.

Read the New York City things-to-do answer in this group for the admission figures at the harbor sites and the Upper East Side museums, and the weekend question for what the city gives away free.