UV Index Today in Clearwater, Florida
Clearwater's UV Climate
Clearwater occupies the Pinellas peninsula between Tampa Bay and the Gulf of Mexico, and its signature attraction — the powder-white quartz sand of Clearwater Beach — is also a UV amplifier, reflecting a substantial share of sunlight back onto beachgoers. Regularly ranked among America's best beaches, it draws heavy crowds through a beach season that runs most of the year, and the combination of subtropical sun, bright sand, and water glare makes this one of Florida's highest-exposure environments.
Average Annual UV Index
8.0
Peak UV Season
March - October
Sunny Days per Year
244
Typical UV Index by Season in Clearwater
| Season | Typical Midday UV | Protection Needed |
|---|---|---|
| Summer | Very High to Extreme (9-11) | SPF 30+, hat, sunglasses; shade from 10 AM – 4 PM |
| Spring & Fall | High to Very High (6-9) | SPF 30+ for extended time outdoors |
| Winter | Moderate (3-5) | Sunscreen for long midday exposure; more on snow |
UV Index in Nearby Cities
- UV Index in Tampa, FL21 mi away
- UV Index in Orlando, FL95 mi away
- UV Index in Gainesville, FL120 mi away
- UV Index in Melbourne, FL134 mi away
Practical Tips for Outdoor Activities
Make the most of outdoor activities while staying safe in Pinellas 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 Pinellas County
Learn about Pinellas 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
Clearwater's humid subtropical climate delivers very high to extreme UV from March through October, with summer midday readings of 10-11. The famous white sand matters more than most visitors realize: fine quartz reflects more UV than darker sand, effectively raising exposure above the forecast index for anyone on the beach. Winter stays mild and bright, with midday UV holding in the moderate range through the coolest months.
UV Index and Health Impact
Understanding UV radiation levels is crucial for protecting your health. Typical clear-day UV index values in Clearwater through the year:
- Summer: Very High to Extreme (9-11)
- Spring/Fall: High to Very High (6-9)
- Winter: Moderate (3-5)
- 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
The Tampa Bay area's summer pattern is clockwork: brilliant mornings, a building sea breeze, then afternoon thunderstorms that fire after peak UV hours have passed. Red-sky sunsets get the photos, but it's the 10 AM to 2 PM window that does the damage. Winter cold fronts bring a day or two of cloud before clearing to dry, sparkling sunshine — prime tourist weather that still carries meaningful UV at midday.
Frequently Asked Questions About UV in Clearwater
What is the UV index in Clearwater today?
The live UV index for Clearwater, FL 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 Clearwater?
UV radiation is strongest between 10 AM and 4 PM. Clearwater's peak UV season runs March - October, when the midday index typically reaches Very High to Extreme (9-11).
How high does the UV index get in Clearwater?
Summer days in Clearwater typically reach Very High to Extreme (9-11). Spring and fall usually bring High to Very High (6-9), while winter values are typically Moderate (3-5).
Do I need sunscreen in Clearwater during winter?
Yes. Clearwater's winter sun stays moderate at midday and the white sand reflects extra UV, so beach days need sunscreen in every season.
How sunny is Clearwater compared to other cities?
Clearwater averages about 244 sunny days per year with an average annual UV index around 8.0.