UV Index in Saint David, United States

Last updated: June 2, 2025

Staying informed about the UV Index is crucial for residents of Saint David, United States, where the climate is classified as BSk, signifying a semi-arid environment with plenty of sunshine. Understanding UV levels is essential to prevent sunburn and protect skin health, as elevated UV rays can lead to immediate discomfort and long-term damage. In Saint David, the UV Index peaks midday, reaching a hazardous level of 13 between 12:00 PM and 1:00 PM. Being aware of these levels can empower you to take necessary precautions to enjoy your time outdoors while safeguarding your skin against harmful effects.

Hourly UV Index in Saint David

The UV Index today rises steadily, starting from a mild 2 at 07:00 and peaking at an intense 13 by 12:00. As the sun reaches its zenith, the UV levels hit their highest mark of 11 at 11:00 and a staggering 13 at noon, highlighting the importance of sun safety during these hours. Following this peak, the index begins to taper off, dipping to 10 by 14:00 and gradually declining to 1 by 19:00. This hourly fluctuation underscores the need for protective measures, particularly between 10:00 and 14:00, when the sun is at its most powerful. Enjoy the sunshine, but remember to stay safe!

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	2	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Saint David

The UV Index experiences notable changes throughout the year, with peaks from March to September when the levels reach extreme (10-13), particularly in April and June. The highest risk months are March through September, where the burn time decreases to just 10 minutes during peak exposure. In contrast, January, December, and November present moderate to high exposure levels, allowing for longer burn times of up to 30 minutes. It is crucial for both visitors and residents to remain vigilant during the high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is at its strongest.

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
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
Saint David	5	7	10	12	12	13	12	12	11	9	6	5