UV Index Today in New York, New York

Current UV
Today's Max

Hourly UV Forecast

low moderate high very high extreme

Surface Type

Reflective surfaces increase your UV exposure — snow reflects up to 90%, sand about 20%.

Safe Exposure Time

Estimated burn times based on the Fitzpatrick scale for skin color and today's maximum UV index of . Tap your skin type:

Very fair skin, always burns, never tans

Time until burn
With SPF 15*
With SPF 30*

*Assumes proper application of broad-spectrum sunscreen with reapplication every 2 hours. Estimates follow WHO guidance and satellite-derived data — see how our data works.

Sun Times

Dawn
Sunrise
Solar Noon
Sunset
Dusk
Day Length
Morning Golden Hour Ends
Evening Golden Hour

Important Safety Information

General Guidelines

These exposure times are estimates based on scientific research and should be used as general guidelines only. Individual responses to UV exposure may vary.

Affecting Factors

UV exposure is affected by: time of day, season, altitude, cloud cover, reflection from surfaces, and individual skin sensitivity.

Protection Tips

Seek shade during peak UV hours (10 AM - 4 PM), wear protective clothing, use broad-spectrum sunscreen, and monitor the UV index regularly.

Medical Advice

Consult a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or take medications that increase sun sensitivity.

New York's UV Climate

New York City, located in the northeastern United States, experiences a humid subtropical climate with significant seasonal variations in UV exposure. The city's northern latitude and urban environment create unique UV patterns, with strong summer radiation and reduced winter exposure. The combination of outdoor activities, parks, and waterfront areas makes sun protection essential for residents and visitors, especially during outdoor activities in Central Park and along the Hudson River.

Average Annual UV Index

5.8

Peak UV Season

May - August

Sunny Days per Year

224

Typical UV Index by Season in New York

Season Typical Midday UV Protection Needed
Summer High to Very High (7-9) SPF 30+, hat, sunglasses; shade from 10 AM – 4 PM
Spring & Fall Moderate (4-6) SPF 30+ for extended time outdoors
Winter Low (1-3) Sunscreen for long midday exposure; more on snow

UV Index in Nearby Cities

Practical Tips for Outdoor Activities

Make the most of outdoor activities while staying safe in New York County:

UV and Weather in New York County

Learn about New York County's unique climate patterns, UV radiation levels, and how they affect your daily life. Enter your zip code for location-specific weather radar data and UV forecasts to help you make informed decisions about outdoor activities and sun protection.

Climate and UV Patterns

New York County experiences a humid subtropical climate with distinct seasonal variations in UV radiation. The area receives moderate to high UV exposure during summer months, with UV index values often reaching high levels between 10 AM and 4 PM. The urban environment and northern latitude create unique UV patterns, with reduced exposure during winter months. Local weather radar shows that cloud cover and air quality can significantly impact UV exposure, with clear days presenting the highest risk of sunburn.

UV Index and Health Impact

Understanding UV radiation levels is crucial for protecting your health. Typical clear-day UV index values in New York through the year:

  • Summer: High to Very High (7-9)
  • Spring/Fall: Moderate (4-6)
  • Winter: Low (1-3)
  • Peak UV hours: 10 AM - 4 PM
  • Cloud cover can reduce UV by 20-40%, but does not eliminate it
  • Clear skies bring maximum UV exposure

Local Weather Patterns

New York City's weather swings dramatically across the seasons, and UV exposure follows the same pattern. Summer days bring high UV readings, amplified by reflective glass, concrete, and time spent in open spaces like Central Park and the waterfront. Spring and fall offer moderate UV levels that still warrant protection during midday hours. Winters are cold with low UV, though snow reflection on clear days can raise exposure more than most people expect.

Frequently Asked Questions About UV in New York

What is the UV index in New York today?

The live UV index for New York, NY is shown at the top of this page and updates throughout the day, along with today's maximum and an hourly forecast.

When is the sun strongest in New York?

UV radiation is strongest between 10 AM and 4 PM. New York's peak UV season runs May - August, when the midday index typically reaches High to Very High (7-9).

How high does the UV index get in New York?

Summer days in New York typically reach High to Very High (7-9). Spring and fall usually bring Moderate (4-6), while winter values are typically Low (1-3).

Do I need sunscreen in New York during winter?

Winter UV in New York is usually low, so sunburn risk is limited on typical days. Sunscreen is still wise during midday hours or around reflective snow.

How sunny is New York compared to other cities?

New York averages about 224 sunny days per year with an average annual UV index around 5.8.