UV Index in Callaway, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Callaway, United States, where the potential for harmful UV radiation can peak during sunny days. Awareness of UV levels is essential not only for preventing sunburn but also for protecting long-term skin health. With Callaway's Dfa climate, which features warm summers, the UV exposure can be significant, especially around midday when the index often reaches highs of 10 to 11. By staying informed about the UV Index, you can take proactive steps to safeguard yourself and enjoy a sunny day out without compromising your skin’s well-being.

Hourly UV Index in Callaway

At dawn, the UV Index starts off low at 1 around 7:00 AM, gradually rising to 3 by 9:00 AM. As the sun reaches its peak, the intensity surges, hitting a notable 7 at 11:00 AM and maximizing at a blistering 11 by 2:00 PM. The highest reading occurs at 1:00 PM with a peak of 10, signaling the need for sun protection. As the afternoon wears on, the UV levels begin to decline, dropping to 5 by 5:00 PM and easing to 2 at 7:00 PM. Throughout the day, it's clear that vigilance against UV exposure is crucial, especially during the midday hours when protection is most needed.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Callaway

The UV Index experiences significant fluctuations throughout the year, with critical changes occurring from March to September. The high-risk months for UV exposure are April through August, where the index peaks at 11 in June and July, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours. As the index decreases in the fall and winter, particularly in January, February, and November, it remains essential to stay vigilant as UV levels can still pose moderate risks, especially at midday.

Monthly Maximum UV Index for Callaway, United States

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

The table above highlights how UV exposure in Callaway 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.

Callaway'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
Callaway	3	5	6	9	10	11	11	10	8	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