UV Index in Port Saint Joe, United States

Last updated: May 3, 2025

Understanding the UV Index in Port Saint Joe, United States is essential for protecting your skin and overall health. As the sun shines brightly over this charming coastal town, UV levels can soar, especially during midday hours, reaching dangerously high readings of 11 between 1:00 PM and 2:00 PM. With its Cfa climate, residents and visitors alike must stay vigilant about sun exposure to prevent sunburn and long-term skin damage. By being aware of the UV Index, you can make informed decisions about outdoor activities and take the necessary precautions to enjoy the beautiful Florida sunshine safely.

Hourly UV Index in Port Saint Joe

The UV Index throughout the day showcases a dramatic rise in solar intensity, peaking at 11 between 1:00 PM and 2:00 PM—a prime time for sun exposure. Early in the day, from 7:00 AM to 9:00 AM, values remain low at 1 to 2, making it safe for morning activities. However, as the sun climbs higher, the index skyrockets to 7 at 11:00 AM and reaches its zenith with a blistering 9 at 12:00 PM. After the peak hours, the UV levels gradually decline, dropping to 4 by 5:00 PM and further to 1 by 7:00 PM, signaling the end of the day’s intense sun exposure. This data underscores the importance of sun protection during the midday hours to safeguard against harmful UV rays!

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	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	9	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 Port Saint Joe

During the year, UV Index levels show significant seasonal variation, with the highest exposure occurring from April to August, where the index peaks at 12 in July, categorizing it as extreme. The high-risk months for sunburn and UV exposure are February through August, particularly noted for having burn times as short as 10 minutes. It is essential for both visitors and residents to take precautionary measures during this period, including wearing sunscreen, protective clothing, and sunglasses, and seeking shade to minimize UV exposure. The months of January, November, and December present a lower risk, with moderate to high UV levels, allowing for safer outdoor activities, albeit with continued sun safety practices recommended.

Monthly Maximum UV Index for Port Saint Joe, United States

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

The table above highlights how UV exposure in Port Saint Joe 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 Joe'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
Port Saint Joe	5	8	9	11	11	11	12	11	10	9	7	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5