United States
UV Index in New Jersey — Current UV Levels
Check the current UV index for 3 cities in New Jersey. Select a city below for real-time UV data, hourly forecasts, and sun protection advice.
UV Index by City in New Jersey
Sun Safety in New Jersey
UV levels in New Jersey vary by season, altitude, and proximity to water. The WHO recommends sun protection whenever UV reaches 3 or higher. Apply SPF 30+ before outdoor activities and reapply every 2 hours.
UV Index in New Jersey: What to Know
New Jersey sees moderate-to-high summer UV, peaking in July, with coastal reflection adding exposure along the shore.
Across New Jersey, the UV index peaks in the four hours around solar noon (roughly noon to 3 PM local time). The World Health Organization recommends sun protection whenever the UV index reaches 3 or higher: apply broad-spectrum SPF 30 at UV 3–5, SPF 50 at UV 6–7, and SPF 50+ with reapplication every two hours at UV 8 and above. Check the live, hour-by-hour UV index for Jersey City, Newark and Paterson on the city pages above before heading outdoors.
Common Questions About UV in New Jersey
When is the UV index highest in New Jersey?
UV in New Jersey is strongest between noon and 3 PM local time, and highest in the summer months when the sun sits highest in the sky. Check the hourly chart for Jersey City above to see today's exact peak.
Do I need sunscreen in New Jersey?
Yes — whenever the UV index reaches 3 or higher, which in New Jersey covers most of the daytime hours from spring through fall. Even on cloudy days, up to 80% of UV can reach the ground.
How accurate is this UV data for New Jersey?
Our UV index for New Jersey comes from Open-Meteo, which aggregates national weather-service models, and updates every 15 minutes. Levels follow the official WHO global solar UV index scale.