Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Tulelake, United States, where the sun’s rays can pose significant risks, especially during peak hours. The UV Index measures the strength of ultraviolet (UV) radiation, helping individuals make informed decisions about outdoor activities to prevent sunburn and protect overall skin health. With Tulelake's climate classified as Csb, it experiences periods of higher UV exposure, particularly between 10 AM and 2 PM when levels can soar to 11, indicating severe UV risk. Stay aware, stay protected, and enjoy the sunshine safely!
The UV Index today showcases a striking pattern of intensity as the sun rises. Starting off at a mild 1 at 7:00 AM, the index climbs steadily, reaching 2 by 8:00 AM. A significant jump occurs at 9:00 AM, where it escalates to 4, setting the stage for a blazing midday. The peak sun exposure arrives at 12:00 PM with a scorching 11, persisting through 1:00 PM to 3:00 PM, indicating extreme UV levels. As the afternoon wanes, a gradual decline brings the index down to 9 by 3:00 PM, then gently descending to 4 by 5:00 PM. By evening, the sun's intensity fades to 2 at 6:00 PM and finally settles back to 1 at 7:00 PM. It's clear: today calls for sun safety measures during peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 |
Seasonal UV changes show a significant increase from winter to summer, peaking in May, June, and July with an extreme UV Index of 11 and a burn time of just 10 minutes. Notably, April marks the transition to very high levels at 9, while March reaches a high level of 7. August and September continue with very high ratings of 10 and 9 respectively, indicating continued caution is needed during these months. High-risk months for UV exposure, therefore, are April through September, when the UV Index is consistently high to extreme. Visitors and residents should take proper precautions, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially between 10 AM and 4 PM. As the year progresses towards fall and winter, UV levels decrease, returning to a moderate level (3-5), but vigilance remains important for skin protection at any time of the year.
UV Risk Categories
| 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 |
| Tulelake | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 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 |