UV Index in Marianna, United States

Last updated: June 2, 2025

In Marianna, United States, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet rays. Understanding the daily UV levels can play a vital role in preventing sunburn and maintaining long-term skin health, especially as our vibrant Floridian climate invites outdoor activities year-round. With peak UV Index readings soaring to 11 during the midday hours, residents must be vigilant about sun safety to minimize the risks of overexposure. Stay informed and protect yourself in this sun-drenched paradise!

Hourly UV Index in Marianna

As the day unfolds, the UV Index reveals its dynamic character, starting gently at 1 by 7:00 AM. By 9:00 AM, it climbs to 4, signaling the need for some sun protection. The sun’s intensity peaks at 12:00 PM and 1:00 PM, hitting a striking maximum of 11, marking a time when precautions become crucial. Following this midday surge, the index gradually descends, dropping to 5 by 4:00 PM and tapering to 1 by 7:00 PM. This pattern highlights the importance of being sun-smart during peak hours, especially when the UV levels are at their highest!

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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Marianna

Throughout the year, UV levels fluctuate, with high-risk months primarily falling between February and August. Notably, April to July feature an extreme UV Index of 11 to 12, necessitating precautions to limit sun exposure to just 10 minutes during peak hours. February and March present significant risks as well, with very high UV levels of 8 and 9, leading to burn times of only 15 minutes. To safeguard your skin, residents and visitors are advised to minimize exposure during peak sun hours, wear protective clothing, and use broad-spectrum sunscreen. As the year progresses, November and December offer lower UV levels, classified as high and moderate, respectively, allowing for longer safe exposure times of 25 to 30 minutes.

Monthly Maximum UV Index for Marianna, United States

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

The table above highlights how UV exposure in Marianna 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.

Marianna'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
Marianna	5	8	9	11	11	11	12	11	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5