UV Index
UV Index
Today's UV index in The Bronx, United States 
will be up to 7.3, indicating a 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: 2025-06-01
With The Bronx's UV index reaching 7.3, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in The Bronx typically ranges from low to high depending on the season, with the highest UV levels in summer reaching around 7 to 9. Winter months usually see low UV levels near 1 or 2.
The Bronx has four distinct seasons: cold, snowy winters; warm, humid summers; and mild springs and falls. Snow occurs mainly in winter, while summer can bring thunderstorms. Spring and fall are generally pleasant with moderate temperatures.
Compared to other parts of the northeastern United States, The Bronx has similar weather patterns but tends to be slightly warmer due to urban heat. Neighboring New Jersey and parts of Connecticut have comparable seasonal changes but slightly different precipitation and temperature extremes.
See the UV index hour by hour for The Bronx, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.