Last updated: July 2, 2025
Staying aware of the UV Index in Cohassett Beach, United States is crucial for safeguarding your skin and overall health. Understanding UV levels can help prevent painful sunburns and reduce the risk of long-term skin damage. With a temperate Csb climate, Cohassett Beach sees significant UV exposure, particularly during peak hours from 10 AM to 4 PM, when the index can reach levels as high as 9. Being informed about these UV levels allows residents and visitors alike to enjoy the beautiful shores while protecting their skin and ensuring outdoor activities are both fun and safe.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!
| 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 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | 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 |
Throughout the year, the UV Index varies significantly, highlighting important seasonal changes that affect both residents and visitors. January and December see the lowest UV levels (Index 2, low exposure), with a generous burn time of 45 minutes, making them relatively safer months. As the year progresses into spring, February (Index 3, moderate) and March (Index 5, moderate) indicate a gradual increase in UV exposure, requiring more cautious sun protection. Attention is crucial during the peak summer months of May, June, and July, where the UV Index reaches 9, categorizing them as very high, with burn times dropping to just 15 minutes. August and September also pose high risks (Indexes 8 and 7, respectively), making sun safety paramount. As autumn approaches, conditions moderate again in October and November, reverting to a moderate index, but precautions should still be taken. Those engaging in outdoor activities should be vigilant with sun protection, especially between May and September, to mitigate the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cohassett Beach | 2 | 3 | 5 | 6 | 9 | 9 | 9 | 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 |