UV Index in Dexter, United States

Last updated: June 2, 2025

Staying informed about the UV Index is crucial for the residents of Dexter, United States. Understanding UV levels plays a vital role in sunburn prevention and maintaining long-term skin health, particularly during peak hours when the index soars to values as high as 12. Dexter typically enjoys a BSk climate, which means sunny and dry summers can elevate the risk of UV exposure. By tracking the UV Index, you empower yourself to make safe decisions about sun protection and outdoor activities, keeping your skin safe under the brilliant blue skies of Dexter.

Hourly UV Index in Dexter

At sunrise, the UV Index begins its steady climb, starting at a safe 1 at 07:00. As the morning progresses, it escalates to 2 by 08:00 and reaches a pleasant 4 by 09:00. However, the real intensity hits between 10:00 and 13:00, with the UV Index peaking at a scorching 12 at 12:00, indicating a high risk of harm from unprotected sun exposure. As the afternoon unfolds, levels gradually descend, hitting 9 at 15:00 before tapering off to 4 by 17:00. By the evening hours, the index returns to a mild 1 by 19:00, reminding us of the importance of sunscreen amidst the sun's powerful midday rays.

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Dexter

Throughout the year, UV exposure varies significantly, with notable peaks during the summer months. From May to September, the UV Index consistently reaches 12, indicating an extreme risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes. The highest risks are found in April and May, where the index also spikes to 12, while the spring months see a transition from moderate levels of UV in January (UV Index 5) to very high levels by March (UV Index 9). As visitors and residents enjoy outdoor activities, it is crucial to take precautions during the high-risk months, especially from April to September. Wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sun hours (10 AM to 4 PM) will help mitigate the risks associated with high UV levels.

Monthly Maximum UV Index for Dexter, United States

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

The table above highlights how UV exposure in Dexter 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.

Dexter'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
Dexter	5	7	9	12	12	12	12	12	11	8	6	4