UV Index Today in Dallas, Texas
Hourly UV Index Chart
Safe Exposure Time
Estimated based on the Fitzpatrick scale for skin color and a UV Index of
*Estimate assumes proper application of broad spectrum sunscreen with reapplication every 2 hours.
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
For proper sun protection: 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 with a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or are taking medications that may increase sun sensitivity.
SUNSET & SUNRISE
Dallas's UV Climate
Dallas, located in north-central Texas, experiences a humid subtropical climate with high UV exposure throughout the year. The city's southern location, inland position, and generally clear skies result in strong UV radiation, particularly during the long summer months. The combination of hot weather, outdoor activities, and year-round sunshine makes comprehensive sun protection essential for residents and visitors, especially during outdoor recreation and festival activities.
Average Annual UV Index
7.3
Peak UV Season
April - September
Sunny Days per Year
234
Practical Tips for Outdoor Activities
Make the most of outdoor activities while staying safe in Dallas County:
- Check UV index and weather radar before planning outdoor activities
- Schedule outdoor activities during low UV hours
- Use appropriate sun protection based on UV levels
- Stay hydrated during outdoor activities
- Take regular breaks in shaded areas
- Monitor weather conditions for changes
- Be prepared for sudden weather changes
- Know the signs of heat-related illness
- Wear a hat and protective clothing
- Check visibility conditions before outdoor plans
- Stay alert to weather alerts and warnings
UV and Weather in Dallas County
Learn about Dallas 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
Dallas's humid subtropical climate creates significant UV exposure patterns with high to very high UV levels for most of the year. The city receives strong UV radiation due to its southern latitude and inland location, with UV index values frequently reaching 8-9 during peak hours. Local weather radar shows that while humidity can create cloud cover, clear days present maximum UV exposure. The inland location means UV radiation is more intense than coastal areas due to less atmospheric filtering.
UV Index and Health Impact
Understanding UV radiation levels is crucial for protecting your health. The UV index in Dallas County varies throughout the year:
- Summer (April-September): High to Very High UV (7-10+)
- Spring/Fall: Moderate to High UV (5-7)
- Winter: Moderate UV (4-6)
- Peak UV hours: 10 AM - 4 PM
- Cloudy conditions: UV reduced by 20-40%
- Clear skies: Maximum UV exposure
- Visibility conditions affect UV intensity
Local Weather Patterns
Dallas's weather patterns create unique UV exposure challenges throughout the year. The city experiences hot, humid summers with frequent clear skies and high UV exposure. Spring and fall bring milder temperatures but still feature high UV levels due to southern latitude. Winter months bring cooler temperatures but still feature moderate to high UV levels due to clear skies. The city's inland location means less atmospheric moisture to filter UV radiation, resulting in more intense exposure than coastal areas.