UV Index in Hanna, United States

Last updated: May 3, 2025

Understanding the UV Index in Hanna, United States is crucial for protecting your skin from harmful ultraviolet rays. As residents enjoy the region's seasonal climate, awareness of UV levels becomes essential for preventing sunburn and promoting long-term skin health. With peak UV exposure typically reaching a maximum of 11 around midday, Hanna faces notable sun exposure risks, particularly during the summer months. Stay informed and take the necessary precautions to protect yourself and your loved ones from the sun's intense rays!

Hourly UV Index in Hanna

The UV Index steadily climbs as the day progresses, starting from a mild 1 at 7:00 AM and reaching a peak of 11 by 1:00 PM. Sun-seekers and outdoor enthusiasts should be mindful, as the index hits a high of 10 at 12:00 PM, signaling significant UV exposure. After this peak, the index gradually decreases, dropping to 8 by 3:00 PM, and continuing to decline to 1 by 7:00 PM. For safe sun enjoyment, it’s best to take precautions during those high UV hours, particularly between 11:00 AM and 2:00 PM. Remember to sport your hats and sunscreen!

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

Monthly UV Index Trends in Hanna

Throughout the year, the UV Index exhibits significant seasonal changes, highlighting specific months when sun exposure poses higher risks. March to September stand out as the high-risk months, particularly April through July, which maintain an extreme exposure category with a UV Index reaching 12. During these peak months, burn times can be as brief as 10 minutes, emphasizing the need for heightened caution. As a rule of thumb, visitors and residents should protect their skin by seeking shade, wearing protective clothing, and applying sunscreen generously, especially during the most intense hours of sun exposure between 10 AM and 4 PM. In the winter months (December to February), the UV Index drops to more moderate levels, but it's still advisable to stay vigilant, particularly in February when the index rises to 6. Always check the UV Index before outdoor activities to ensure safety year-round.

Monthly Maximum UV Index for Hanna, United States

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

The table above highlights how UV exposure in Hanna 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.

Hanna'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
Hanna	4	6	9	12	11	12	12	11	10	6	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5