Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Clyde Hill, Washington, where the combination of its Csb climate and varying sun exposure can lead to significant UV radiation levels, especially during summer months. Being aware of UV levels helps in preventing sunburn and safeguarding skin health, allowing you to enjoy the beautiful outdoors while minimizing the risk of skin damage. Throughout the day, UV Index readings in Clyde Hill can peak at an 8, indicating a high risk of harm from unprotected sun exposure. So, whether you're lounging in your backyard or taking a stroll in the park, staying informed about the UV Index is essential for your well-being.
The UV Index throughout the day showcases a gradual rise in intensity, peaking at 8 between 1 PM and 2 PM, making this the most critical time for sun exposure. Starting the morning with a low index of 1 at 7 AM, the values steadily increase as the sun climbs higher; by 10 AM, it reaches 5, indicating moderate sun strength. As the sun continues its ascent, the index climbs to 6 at 11 AM and further escalates to 7 at noon, urging sun safety precautions. After hitting the afternoon high of 8, the index tapers off, dropping to 6 by 3 PM, before gradually descending to 1 by 7 PM. This daily cycle emphasizes the importance of protective measures during midday hours when the UV rays are at their strongest.
| 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 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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 |
As the seasons change, so do UV levels, significantly impacting sun exposure and skin safety for visitors and residents. January to March sees a gradual increase in UV Index, peaking with a moderate level in March at 5, where the burn time decreases to 30 minutes. The high-risk months, characterized by extremely high levels of UV radiation, are May through August, with indices soaring to 9 and enforcing a burn time of just 15 minutes. Following this, September presents a moderate risk with an index of 7, and a burn time of 25 minutes, before dropping again in October with a moderate index of 5. November and December then return to lower risks, emphasizing a UV Index of 2 and 1, respectively, allowing for longer safe exposure times of 45 minutes. To minimize the risk of UV-related harm, visitors and residents should take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clyde Hill | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 2 | 1 |
| 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 |