UV Index in Prineville, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Prineville, United States, where exposure to ultraviolet radiation can significantly impact skin health. With a climate categorized as Csb, Prineville experiences varying UV levels throughout the day, reaching a peak of 10 between noon and 1 PM. Being aware of these levels can help you prevent sunburn and reduce the risk of long-term skin damage, ensuring you can enjoy the beautiful outdoors safely. With midday UV exposure presenting the highest risk, it’s essential to take protective measures when the sun is at its strongest. Stay informed and protect your skin health in sunny Prineville!

Hourly UV Index in Prineville

Today's UV Index presents an intriguing curve, starting the day with a mellow maximum of 1 at 07:00. As the sun climbs higher, things heat up quickly—by 10:00, the index reaches 6, and by 12:00, it peaks at an intense 10. This level remains steady until 14:00, urging sun enthusiasts to take precautions. As the afternoon fades, the UV Index gracefully tapers off, dropping to 4 by 17:00, and finally sinking back to a gentle 1 by 19:00. With mid-day UV levels soaring, it’s crucial to stay protected during those 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	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 Prineville

Throughout the year, UV exposure varies significantly, with the highest levels occurring from April to September. During this period, the UV Index peaks at 10, indicating a very high risk of harm from unprotected sun exposure, where the burn time decreases to just 15 minutes. Notably, March marks a transition to high risk with a UV Index of 6. As visitors and residents approach the summer months, it's crucial to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the high-risk months of May through September. In contrast, January, February, October, and November present moderate risk, while December experiences low UV exposure. Overall, remaining vigilant about sun safety is essential from spring through early fall to minimize the risk of skin damage.

Monthly Maximum UV Index for Prineville, United States

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

The table above highlights how UV exposure in Prineville 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.

Prineville'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
Prineville	3	4	6	8	10	10	10	10	8	6	3	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