UV Index in Alpine, United States

Last updated: June 2, 2025

In Alpine, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn, reduce the risk of skin cancer, and promote healthier skin throughout the year. Given Alpine's climate, characterized by its Dfb designation, residents and visitors face specific exposure risks—especially during peak sun hours when the UV Index can soar to as high as 12. Stay informed and take proactive measures to enjoy the beautiful outdoors while keeping your skin safe!

Hourly UV Index in Alpine

As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 7:00 AM. By 9:00 AM, it picks up pace, reaching 4, and then surges to a peak intensity of 12 at 1:00 PM, marking the sun's zenith. The afternoon sees a slight decline, with values of 11 at 2:00 PM and 10 at 3:00 PM, before dropping to 5 by 5:00 PM. As the day winds down, the UV Index returns to a safe 1 by 7:00 PM, reminding us to stay vigilant about sun protection during those midday hours when the rays are strongest!

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	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Alpine

The UV Index exhibits significant seasonal changes, with notable increases from early spring through summer. March marks the transition to a very high risk of UV exposure, peaking in May and June with an extreme classification where the burn time is as little as 10 minutes. July and August maintain this intensity, emphasizing the importance of sun protection. Visitors and residents should stay vigilant during these high-risk months of March to August, taking precautions such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. As the seasons shift into October and November, UV risks decrease, transitioning back to moderate levels with longer burn times, providing a safer environment for outdoor activities.

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
Alpine	3	5	8	10	11	12	11	11	9	6	4	3
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