UV Index in Macclenny, United States

Last updated: July 2, 2025

Understanding the UV Index in Macclenny, United States, is essential for safeguarding your skin and overall health. As the sun's rays can cause serious damage — including painful sunburns and long-term skin issues — being informed about daily UV levels is crucial for residents and visitors alike. With Macclenny's humid subtropical climate, exposure risks can peak significantly, especially around midday when the UV Index hits 10 to 11, indicating very high levels of ultraviolet radiation. Stay aware, protect your skin, and enjoy the sunshine safely!

Hourly UV Index in Macclenny

The UV Index for the day showcases a dramatic increase in intensity as the sun climbs higher in the sky. Starting at a mild 1 at 07:00, it remains low throughout the morning, only reaching 3 by 09:00. However, by 11:00, the index skyrockets to 8, peaking at an intense 11 from 13:00 to 14:00. As the afternoon wanes, the UV levels gradually decrease, dropping to 4 by 17:00 and tapering off to 1 once again by 19:00. It's clear that midday hours pose the greatest risk for sun exposure, making it crucial to take precautions during the peak hours from 11:00 to 14:00.

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	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	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 Macclenny

Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest levels typically occurring from May to August, characterized as having an extreme exposure category with a UV Index of 11 and a burn time of just 10 minutes. Notably, March and April also present very high risk levels, with indices peaking at 9 and 10 respectively. As a result, visitors and residents are strongly advised to take precautions during these high-risk months, including applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours. In contrast, the low-risk periods in January and December, where UV levels are classified as moderate with a burn time of 30 minutes, require less vigilance but still warrant caution. Overall, staying informed and proactive about UV exposure can help ensure safety and well-being throughout the year.

Monthly Maximum UV Index for Macclenny, United States

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

The table above highlights how UV exposure in Macclenny 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.

Macclenny'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
Macclenny	5	7	9	10	11	11	11	11	10	8	6	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5