UV Index in Port Saint Lucie, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Port Saint Lucie, where the warm, humid climate often brings intense sunlight. With peak UV levels reaching as high as 12 during midday, awareness of these UV ratings is essential for effective sunburn prevention and maintaining long-term skin health. As you enjoy the beautiful outdoors in our city, staying informed about UV exposure risks not only helps you plan your day better but also protects your skin from harmful effects. Embrace the sunshine responsibly!

Hourly UV Index in Port Saint Lucie

The UV Index data for the day reveals a clear progression of solar intensity as the hours unfold. Starting the morning with low values of 1 at 7:00 AM and 8:00 AM, the index begins to rise significantly by 9:00 AM, reaching 3. The sun's potency peaks sharply at 12:00 PM with a staggering value of 11, indicating a high risk of harm from unprotected sun exposure. This intensity remains elevated at 12 from 1:00 PM to 2:00 PM, before starting to decline as the afternoon turns to evening. By 3:00 PM, it falls to 10, and further decreases to 4 by 5:00 PM. As the sun sets, the UV Index tapers off to 2 at 6:00 PM and returns to 1 by 7:00 PM. It’s a day that strongly emphasizes the importance of sun safety during peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Port Saint Lucie

Throughout the year, UV exposure significantly fluctuates, with the highest risk months occurring from March through September, where the UV Index consistently reaches extreme levels of 10 to 12. Specifically, April to August presents the greatest danger with an unprecedented UV Index of 12, allowing only a mere 10 minutes before burning may occur. January and November pose moderate to high risks, while December offers the safest conditions with a reduced UV Index of 5. Residents and visitors are strongly advised to take precautionary measures during high-risk months, such as wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure and reduce the risk of sunburn.

Monthly Maximum UV Index for Port Saint Lucie, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Port Saint Lucie. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Port Saint Lucie, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Port Saint Lucie UV Index with Other United States Cities

The table above highlights how UV exposure in Port Saint Lucie compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Port Saint Lucie's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5
Port Saint Lucie	6	9	10	11	11	12	12	12	11	9	7	5