What is the UV index in St. Petersburg right now?

See the live UV index for St. Petersburg above — it updates every 15 minutes from Open-Meteo data. The UV index runs from 0 (low) to 11+ (extreme); protection is advised once it reaches 3 or higher.

What time is UV highest in St. Petersburg?

UV in St. Petersburg usually peaks between noon and 3 PM local time, when the sun is highest. Check the hour-by-hour chart above for today's exact peak time.

What SPF do I need in St. Petersburg today?

At UV 3–5 use SPF 30; at UV 6–7 use SPF 50; at UV 8 or above use SPF 50+ and reapply every 2 hours. The tool shows the exact SPF for the current UV level.

How long can I stay in the sun before burning?

It depends on your skin type and the UV level. At UV 8 (very high), fair skin can burn in 15–25 minutes. Use the sunburn-time calculator above for a personalised estimate.

Does UV protective clothing actually work?

Yes. A UPF 50 garment blocks 98% of UV radiation — more reliably than most sunscreens. It's the most dependable protection for long periods outdoors.

UV Index in St. Petersburg Today — Check Current UV Levels in St. Petersburg, Florida

Current UV Index in St. Petersburg

0.9 Low

Low risk. Enjoy being outdoors.

Updated at 4:15 AM local time · Data from Open-Meteo

Check the real-time UV index in St. Petersburg right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for St. Petersburg, Florida.

Current UV Index in St. Petersburg

The UV index in St. Petersburg changes throughout the day, typically peaking between 10am and 2pm local time. Sunshine City holds the record for most consecutive sunny days

Hourly UV Forecast for St. Petersburg Today

Planning outdoor activities in St. Petersburg, Florida? Check our hourly UV breakdown to find the safest windows. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for St. Petersburg

Plan your week in St. Petersburg with our 7-day UV index forecast. See which days will have the highest UV so you can prepare with the right level of sun protection.

Sun Protection Guide for St. Petersburg

UV Index	Level	What to Do in St. Petersburg
0–2	Low	Enjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5	Moderate	Wear SPF 30+ sunscreen. Seek shade during midday hours.
6–7	High	Limit midday sun. Use SPF 50+, wear a hat and sunglasses.
8–10	Very High	Minimize outdoor time 10am–4pm. Full sun protection essential.
11+	Extreme	Avoid direct sun. Stay indoors or in full shade during peak hours.

Typical UV Levels in St. Petersburg

St. Petersburg typically experiences UV index values of 11-12 during peak season (April-October) and 4-6 during the off-season. UV follows a clear seasonal curve peaking in midsummer

Best Time for Outdoor Activities in St. Petersburg

The safest time for outdoor activities in St. Petersburg is before 10am and after 4pm when UV levels drop significantly. Always check the current UV index before extended outdoor plans.

Recommended SPF for St. Petersburg

During peak UV season in St. Petersburg (April-October), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours.

St. Petersburg UV Index by Season

High UV Season in St. Petersburg

UV levels in St. Petersburg are highest from late spring through early fall, with the UV index regularly reaching 11-12. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in St. Petersburg

UV levels drop during the mild winter months, typically measuring 4-6. SPF 30 is still recommended for extended outdoor time even during cooler months.

Recommended Sun Protection

EltaMD UV Clear SPF 46 — Face sunscreen. $37
Neutrogena Ultra Sheer SPF 70 — Body sunscreen. $10
Banana Boat Light As Air SPF 50 — Twin pack. $15
Roadbox UPF 50+ Sun Shirt — UV clothing. $19
Outdoor Research Sombriolet Hat — UPF 50+ hat. $45

We may earn a commission from purchases through these links.

Sun Safety FAQ for St. Petersburg

What is the average UV index in St. Petersburg?

The average UV index in St. Petersburg ranges from 4-6 during the low season to 11-12 during peak months (April-October).

When is UV highest in St. Petersburg?

UV is highest in St. Petersburg from late spring through early fall, peaking between 10am and 2pm local time.

Do I need sunscreen in St. Petersburg?

Yes — whenever the UV index reaches 3 or higher. During peak season (April-October), daily sunscreen use is strongly advised.

UV Index Near St. Petersburg

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About UV Index in St. Petersburg

UV data for St. Petersburg, Florida is updated every 15 minutes via Open-Meteo weather services. Always check the current UV index before spending extended time outdoors.

Disclaimer: UV index data and sun protection recommendations for St. Petersburg are approximate and for informational purposes only — not medical advice.