UV Index
UV Index
Today's UV index in Manhattan, United States 
will be up to 8, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index of 8 in Manhattan, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Manhattan varies by season, reaching high levels around summer with values often between 7 and 10, while during winter, it drops to low values near 1 or 2. During spring and fall, values are moderate, typically ranging from 3 to 6.
Manhattan experiences four distinct seasons: cold winters with occasional snow, warm and humid summers, mild springs, and cool autumns. Spring and fall are usually pleasant with moderate temperatures, while summer can be hot and humid, and winter can be quite chilly.
Compared to the wider northeastern United States, Manhattan has a similar seasonal climate but tends to be slightly warmer in winter due to urban heat effects. Neighboring states like New Jersey and Connecticut have comparable weather, with only minor differences in temperature and precipitation.
See the UV index hour by hour for Manhattan, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.