UV Index in Hana, United States

Last updated: May 3, 2025

In Hana, United States, being aware of the UV Index is crucial for safeguarding your health under the tropical sun. Understanding UV levels is vital for preventing sunburn and maintaining long-term skin health, especially in a climate known for its high exposure risks. With the UV Index soaring as high as 12 during midday, residents and visitors alike must remain vigilant to enjoy the beautiful outdoors safely. Remember, knowledge is your best defense against harmful UV radiation!

Hourly UV Index in Hana

The UV Index throughout the day showcases a dynamic dance of sun intensity. Starting at a mild 1 at 07:00, the index gradually rises, hitting 3 by 08:00. As the morning progresses, it peaks at a striking 12 between 12:00 and 13:00, indicating the strongest sun exposure—perfect for a beach day but not without caution! By 15:00, the UV levels begin to retreat, dropping to 7, and continue to fall, reaching 2 by 17:00. As the sun sets, the index dwindles further to 0 by 19:00, signifying a gentle end to the day. Remember 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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