UV Index in Delta Junction, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Delta Junction, United States, a region characterized by its Dfc climate. With UV levels peaking during mid-day hours, knowing the UV Index helps prevent sunburn and promotes long-term skin health. In this outdoor-friendly locale, where the sun's rays can be deceptively strong, being aware of UV risks is essential. During peak months, UV levels can climb to 6, highlighting the importance of sun safety and protective measures for everyone enjoying Delta Junction's beautiful outdoors.

Hourly UV Index in Delta Junction

The UV Index throughout the day reveals an escalating trend as the sun rises, peaking at 6 between 14:00 and 15:00. Starting from a low of 1 at 07:00 and 08:00, the intensity gradually increases, reaching 5 by midday. The sun's strength continues to shine brightly at 12:00 and remains significant at 5 until 15:00, making this the most critical time for sun exposure. As the afternoon wanes, the index begins to drop, settling back to 2 by 18:00 and 19:00. This data highlights the importance of sunscreen and protective measures, especially during 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	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 min
14:00	6	high	25 min
15:00	5	moderate	30 min
16:00	4	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	2	low	45 min

Monthly UV Index Trends in Delta Junction

Throughout the year, UV Index levels fluctuate significantly, indicating varying risks for sun exposure. From January to March, the UV Index remains low (1-2), allowing for safer outdoor activities with burn times of up to 45 minutes. However, as April arrives, the UV Index rises to 4, and the exposure becomes moderate, reducing burn time to 30 minutes. The high-risk months are notably July, where the UV Index reaches 6, and visitors should limit sun exposure to just 25 minutes, followed by moderate levels in May and June (UV Index 5). As the year progresses towards September and October, the index gradually declines, returning to low levels by November and December, enabling safer outdoor ventures once again. Visitors and residents are advised to monitor the UV Index regularly, especially during the high-risk months, to protect their skin and ensure safe sun exposure practices.

Monthly Maximum UV Index for Delta Junction, United States

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

The table above highlights how UV exposure in Delta Junction 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.

Delta Junction'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
Delta Junction	1	1	2	4	5	5	6	5	3	2	1	1
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