UV Index in Alpine, United States

Last updated: June 2, 2025

In Alpine, United States, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps in preventing sunburn but also plays a vital role in reducing long-term skin damage and the risk of skin cancer. With a Csa climate typically bringing clear blue skies and high sun exposure, the UV Index can peak as high as 12 around midday, demanding extra precautions. By keeping an eye on daily UV levels, residents and visitors alike can enjoy the beautiful outdoors while protecting their skin from potential harm.

Hourly UV Index in Alpine

The UV Index (UVI) paints a vivid picture of the sun's intensity throughout the day. Starting gently at 1 at 07:00, it gradually climbs, reaching 2 by 08:00. The real intensity kicks in around 09:00, where it jumps to 5, before peaking at a scorching 12 from 12:00 to 13:00. This midday surge signals the highest risk for unprotected skin, with the index hitting its maximum of 10 at 11:00. As the afternoon wanes, the UVI gracefully descends from 11 at 14:00 to 3 by 17:00, and finally dips back to 1 as evening approaches. Whether it's a day at the beach or a stroll in the park, this UV Index serves as a vital reminder to protect yourself 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	5	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Alpine

Throughout the year, the UV Index exhibits significant seasonal variations, with high-risk months typically occurring from March to September. During this period, the UV Index reaches extremes, peaking at 12 in June and July, indicating a very high to extreme exposure risk where the burn time can be as little as 10 minutes. As spring transitions into summer, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. Conversely, the UV Index drops in winter months, with January and December showing moderate levels of 4. Nonetheless, even in these months, it’s advisable to remain vigilant, as UV radiation can still cause skin damage.

Monthly Maximum UV Index for Alpine, United States

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

The table above highlights how UV exposure in Alpine 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.

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