UV Index in Bonny Doon, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Bonny Doon, United States, where sunny days can lead to elevated UV exposure. Awareness of UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. In Bonny Doon’s Csb climate—characterized by cool, coastal summers—UV exposure peaks around midday, reaching values as high as 11. To enjoy the outdoors safely while keeping your skin protected, stay informed about the daily UV Index and take necessary precautions when the sun is at its strongest.

Hourly UV Index in Bonny Doon

The UV Index for today shows a dramatic rise as the sun ascends into the sky. Starting at a mild 1 by 07:00, the index gradually builds, reaching 3 by 09:00 and peaking at an intense 11 at 13:00—a level where sun protection is crucial. From this pinnacle, the values start to decline, tapering off to 10 at 14:00 and then gradually decreasing through the afternoon and evening, with values of 6 at 16:00 and sliding down to 1 by 19:00. Plan your outdoor activities accordingly, and remember to protect your skin 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	3	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	11	extreme	10 min
14:00	10	very high	15 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 Bonny Doon

The UV Index exhibits significant seasonal variation, peaking during the summer months of June and July with an extreme rating of 11, indicating a burn time of just 10 minutes. High-risk months span from March through September, with UV Index values reaching very high (8-10) or extreme (11), necessitating extra caution. To protect against harmful UV exposure, it is advisable for both visitors and residents to wear sunscreen, protective clothing, and seek shade during peak hours, especially between 10 AM and 4 PM. In contrast, winter months, particularly January, November, and December, show lower risk levels with moderate UV exposure, allowing for longer burn times of 30 minutes. Nonetheless, even in these months, it's prudent to stay mindful of sun exposure, especially on clear days.

Monthly Maximum UV Index for Bonny Doon, United States

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

The table above highlights how UV exposure in Bonny Doon 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.

Bonny Doon'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
Bonny Doon	4	5	8	9	10	11	11	10	9	7	5	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