UV Index in Hana, United States

Last updated: July 2, 2025

In Hana, United States, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. With peak UV levels often soaring to a dangerous 13 between noon and 1 PM, understanding these fluctuations can help you prevent painful sunburns and long-term skin damage. Hana's tropical climate means that you face unique UV exposure risks, especially during the midday hours when the sun's intensity is at its highest. Stay informed and prioritize sun safety to enjoy the beautiful outdoors without compromising your skin's health!

Hourly UV Index in Hana

The UV Index data reveals a striking pattern throughout the day. As morning breaks, the UV levels start low, peaking at 1 by 7:00 AM. By 10:00 AM, this number surges to 9, hitting a peak of 13 at noon and maintaining this intensity until 1:00 PM. From there, the index gradually declines, dipping to 8 by 3:00 PM and dropping further to 2 by 5:00 PM. As daylight wanes, the UV index descends to 1 at 6:00 PM, finally reaching 0 by 7:00 PM. This highlights the importance of sun protection, especially during the midday hours when exposure can be most harmful.

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Hana

The UV Index experiences significant seasonal variations, peaking during the spring and summer months. From March to October, the UV Index reaches an extreme level of 11 to 13, indicating a burn time as short as 10 minutes, making these months particularly high-risk for sunburn and skin damage. Visitors and residents should exercise extreme caution during this period, wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. Conversely, January, February, November, and December present a very high UV Index of 8, with a longer burn time of 15 minutes. While these months pose a lower risk than the summer, it's still advisable to remain vigilant about sun protection.

Monthly Maximum UV Index for Hana, United States

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

The table above highlights how UV exposure in Hana 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.

Hana'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
Hana	8	10	11	12	12	13	13	13	13	11	8	8