Last updated: May 3, 2025
In Forest Grove, United States, staying informed about the UV Index is crucial for your skin health and overall well-being. Understanding the daily UV levels can help you prevent sunburn and reduce your long-term skin damage risk. With a Csb climate characterized by mild summers, residents may not be aware of the intensity of UV rays that can peak at a level of 9 between noon and 2 PM. Being mindful of these fluctuations empowers you to take appropriate protective measures, ensuring enjoyable outdoor experiences without compromising your skin's safety.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a low of 1 at 7:00 AM, the index gradually increases to a moderate level of 3 by 9:00 AM. However, from 10:00 AM onward, things heat up significantly, peaking at a scorching 9 from noon to 2:00 PM. As the afternoon progresses, the UV Index gradually dips back to a friendly 3 by 5:00 PM, then descends further to 1 by the time evening sets in. This pattern underscores the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM, when UV levels are at their highest.
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 | 9 | 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 |
Throughout the year, seasonal changes in UV exposure highlight the importance of sun safety for both visitors and residents. The high-risk months are from April to August, where the UV Index peaks at 9 to 10, indicating very high exposure levels and corresponding burn times of just 15 minutes. During these months, it's crucial to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours. Conversely, January, December, and November experience significantly lower UV levels with low to moderate exposure, allowing for safer outdoor activities with longer burn times. As the seasons shift, staying informed and adapting one's sun safety practices is essential for overall well-being.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Forest Grove | 2 | 3 | 5 | 7 | 9 | 10 | 10 | 8 | 7 | 5 | 3 | 2 |
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 |