UV Index in Saint David, United States

Last updated: July 2, 2025

Understanding the UV Index is essential for residents of Saint David, United States, where the climate is classified as Dfa—typical for experiencing a range of UV exposure levels. Awareness of UV levels is crucial for preventing sunburns and promoting long-term skin health, helping you enjoy the outdoors safely. With peak UV readings soaring to 10 between noon and 2 PM, even brief sun exposure can lead to significant harm. As you plan your day in this sunny locale, let the UV Index guide your sun safety practices and protect your skin’s vitality.

Hourly UV Index in Saint David

Today's UV Index presents an intriguing curve, starting the day with a mellow maximum of 1 at 07:00. As the sun climbs higher, things heat up quickly—by 10:00, the index reaches 6, and by 12:00, it peaks at an intense 10. This level remains steady until 14:00, urging sun enthusiasts to take precautions. As the afternoon fades, the UV Index gracefully tapers off, dropping to 4 by 17:00, and finally sinking back to a gentle 1 by 19:00. With mid-day UV levels soaring, it’s crucial to stay protected during those 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	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 Saint David

Throughout the year, UV exposure fluctuates significantly, with the highest risk months being from March to September. Notably, April through June witness the peak UV Index values, reaching 11 in June, classified as extreme, where the burn time shortens to just 10 minutes. In contrast, the winter months of January and December show much lower risks, with UV Index levels at 3 and 2, respectively. Residents and visitors should take heed during the high-risk months by wearing protective clothing, applying sunscreen, and limiting sun exposure, especially during midday when the sun’s rays are most intense. Overall, staying vigilant about UV levels can help prevent skin damage and maintain health year-round.

Monthly Maximum UV Index for Saint David, United States

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

The table above highlights how UV exposure in Saint David 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.

Saint David'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
Saint David	3	5	7	8	10	11	10	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