United States
UV Index in Arkansas — Current UV Levels
Check the current UV index for 1 cities in Arkansas. Select a city below for real-time UV data, hourly forecasts, and sun protection advice.
UV Index by City in Arkansas
Sun Safety in Arkansas
UV levels in Arkansas 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 Arkansas: What to Know
Arkansas sees high summer UV typical of the South-Central US, peaking in the long, sunny months of June through August.
Across Arkansas, 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 Little Rock on the city pages above before heading outdoors.
Common Questions About UV in Arkansas
When is the UV index highest in Arkansas?
UV in Arkansas 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 Little Rock above to see today's exact peak.
Do I need sunscreen in Arkansas?
Yes — whenever the UV index reaches 3 or higher, which in Arkansas 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 Arkansas?
Our UV index for Arkansas 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.