UV Index Today in Memphis, Tennessee
Memphis's UV Climate
Memphis, located in southwestern Tennessee, experiences a humid subtropical climate with high UV exposure for much of the year. The city's southern latitude and frequent clear skies result in strong UV radiation, especially during the long summer season. Sun protection is essential for outdoor activities, particularly during midday hours.
Average Annual UV Index
7.3
Peak UV Season
April - September
Sunny Days per Year
218
Typical UV Index by Season in Memphis
| Season | Typical Midday UV | Protection Needed |
|---|---|---|
| Summer | Very High (8-10) | SPF 30+, hat, sunglasses; shade from 10 AM – 4 PM |
| Spring & Fall | Moderate to High (5-7) | SPF 30+ for extended time outdoors |
| Winter | Low to Moderate (2-3) | Sunscreen for long midday exposure; more on snow |
UV Index in Nearby Cities
- UV Index in Tuscaloosa, AL195 mi away
- UV Index in Nashville, TN196 mi away
- UV Index in Huntsville, AL198 mi away
- UV Index in Birmingham, AL216 mi away
Practical Tips for Outdoor Activities
Make the most of outdoor activities while staying safe in Shelby 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 Shelby County
Learn about Shelby 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
Memphis's climate features hot, humid summers and mild winters. UV index values are highest from late spring through early fall, with peak values reaching 9-10 on clear days. Occasional cloud cover and thunderstorms can reduce UV exposure, but most days are sunny and hot.
UV Index and Health Impact
Understanding UV radiation levels is crucial for protecting your health. Typical clear-day UV index values in Memphis through the year:
- Summer: Very High (8-10)
- Spring/Fall: Moderate to High (5-7)
- Winter: Low to Moderate (2-3)
- 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
Memphis's weather is characterized by long, hot summers with abundant sunshine. UV exposure is highest from April through September, with midday hours presenting the greatest risk. Residents and visitors should use sun protection year-round, especially during outdoor recreation and music festivals.
Frequently Asked Questions About UV in Memphis
What is the UV index in Memphis today?
The live UV index for Memphis, TN 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 Memphis?
UV radiation is strongest between 10 AM and 4 PM. Memphis's peak UV season runs April - September, when the midday index typically reaches Very High (8-10).
How high does the UV index get in Memphis?
Summer days in Memphis typically reach Very High (8-10). Spring and fall usually bring Moderate to High (5-7), while winter values are typically Low to Moderate (2-3).
Do I need sunscreen in Memphis during winter?
Winter UV in Memphis 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 Memphis compared to other cities?
Memphis averages about 218 sunny days per year with an average annual UV index around 7.3.