St. Petersburg UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index8.9
- Avg Clouds13%
- Max Temp32.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in St. Petersburg, United States 
will reach a high of 8.9 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-19
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
St. Petersburg's UV Index
St. Petersburg, Florida, has a UV index that often ranges from moderate to very high, especially in summer months when the sun is strongest. The UV index can reach levels above 8, indicating strong sunlight exposure.
Weather Seasons
The city experiences hot, humid summers with frequent afternoon thunderstorms and mild, dry winters. Rainfall is mostly concentrated from June to September, while winter months are usually sunny and cooler compared to summer.
St. Petersburg's Climate
Compared to the wider southeastern US, St. Petersburg is warmer and sunnier. It receives more sunshine than nearby cities like Tampa and Orlando, and its winter temperatures are generally milder than inland areas or northern states.
Hourly UV Index Trend
See the UV index hour by hour for St. Petersburg. When the level is high, it's smart to find some shade.
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