UV Index in Clewiston, United States

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors in Clewiston, United States. With the relentless Florida sun, awareness of UV levels is crucial for preventing sunburn and safeguarding skin health. Clewiston's climate, characterized by its warm temperatures and high humidity, can lead to significant UV exposure, especially during peak hours when the index reaches a maximum of 12. By keeping track of the UV Index, you can enjoy the outdoors while effectively managing your sun exposure and protecting your skin.

Hourly UV Index in Clewiston

As the sun rises, the UV Index begins at a mild 1 at 07:00, remaining steady through the early hours. However, by 09:00, it climbs to 3, signaling the start of stronger rays. The peak intensity strikes at 12:00, reaching an intense 11, followed closely by a maximum of 12 at 13:00 and 14:00, urging outdoor enthusiasts to take precautions. As the afternoon wanes, the index gradually decreases from 10 at 15:00 to a more manageable 4 by 17:00, and finally recedes to 2 at 18:00 before settling back at 1 as dusk approaches. It's a day that underscores the importance of sun safety, especially during its mid-day zenith!

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	8	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 Clewiston

Throughout the year, seasonal changes in UV exposure reflect significant shifts in the UV Index. From January to March, the UV Index rises from a high level of 6 to a very high 10, indicating a growing risk for skin damage. The months of April through September present the most critical danger, characterized by an extreme UV Index of 12, where the burn time diminishes to just 10 minutes. Following this peak, October sees a drop to 10 (very high), before conditions moderate in November and December, with indexes falling to 7 and 5, respectively. Visitors and residents are advised to take precautions during high-risk months, particularly from April to September. It is essential to limit sun exposure, wear protective clothing, apply sunscreen regularly, and seek shade to safeguard against skin damage during these periods of heightened UV intensity.

Monthly Maximum UV Index for Clewiston, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Clewiston. 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 Clewiston, 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 Clewiston UV Index with Other United States Cities

The table above highlights how UV exposure in Clewiston 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.

Clewiston'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
Clewiston	6	9	10	12	12	12	12	12	11	10	7	5