UV Index in Dyersville, United States

Last updated: May 3, 2025

In Dyersville, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. With the risk of sunburn and long-term skin damage rising as UV levels climb—particularly between 11:00 AM and 2:00 PM when the index hits its peak of 9—understanding these fluctuations empowers residents to take effective sun safety measures. The region's humid continental climate can intensify UV exposure, making it essential to monitor conditions regularly. Equip yourself with knowledge, embrace safe sun habits, and enjoy the great outdoors while keeping your skin healthy!

Hourly UV Index in Dyersville

The UV Index rises steadily throughout the morning, with a low of 1 at 07:00, gradually climbing to 9 between 12:00 and 13:00, marking the peak of sun intensity. As the afternoon progresses, the index begins to decline, dropping to 8 at 14:00 and further easing to 7 by 15:00. As the sun sets, the UV Index continues to decrease, landing back at a mild 1 by 19:00. This data highlights the importance of protective measures during peak hours, especially between 11:00 and 13:00, when sun exposure poses the highest risk.

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	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	9	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Dyersville

Throughout the year, the UV Index experiences significant seasonal changes, with the highest risk occurring during the late spring and summer months. From April to September, the UV Index reaches very high to extreme levels, particularly peaking in June at an Index of 11, where the burn time drops to just 10 minutes. Consequently, visitors and residents should be particularly vigilant during this period, especially in May through August, where the burn time remains critical at 15 minutes for high UV levels. In contrast, the months from October to March exhibit a moderate UV Index, with safer burn times of 30 minutes. It is advisable for everyone to adopt appropriate sun protection measures, such as wearing sunscreen, protective clothing, and seeking shade, during those peak months to minimize skin damage and health risks.

Monthly Maximum UV Index for Dyersville, United States

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

The table above highlights how UV exposure in Dyersville 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.

Dyersville'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
Dyersville	3	4	5	8	9	11	10	9	8	5	3	3
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