Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Cowley, United States, where the sun can be a formidable presence, especially during peak hours. With UV levels peaking at a severe 10 between 12:00 PM and 2:00 PM, being aware of these fluctuations can play a vital role in preventing sunburn and supporting long-term skin health. Cowley's semi-arid climate presents unique exposure risks, necessitating vigilance to protect against harmful ultraviolet radiation. By staying informed about the daily UV Index, you can enjoy the sunny days safely while safeguarding your skin from the risks associated with excessive sun exposure.
As the sun rises, the UV Index steadily climbs, beginning at a moderate 1 at 07:00. By 08:00, it reaches 2, indicating a slight rise in solar intensity. The index continues to peak dramatically, hitting a notable 6 by 10:00 and soaring to a maximum of 10 from 12:00 to 14:00, marking this time as the most intense period for UV exposure. As the afternoon wanes, the index begins to decline, dropping to 9 at 15:00, then gently falling to 4 by 17:00. Finally, as the day turns to dusk, the UV Index settles back to a safer 1 by 19:00. It's crucial to enjoy the sun wisely, particularly during those peak hours!
| 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 | 10 | very high | 15 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 |
Throughout the year, the UV Index fluctuates significantly, reflecting seasonal changes in sun exposure. January and February mark the lower end of the UV spectrum with a moderate index of 3 and 5, allowing for burn times of 30 minutes. However, as spring approaches, UV exposure intensifies, reaching 6 in March and escalating to a very high UV Index of 9 in both April and May, decreasing burn time to 15 minutes. The peak UV Index occurs in June at an extreme level of 11, where minimal exposure can lead to sunburn in as little as 10 minutes. This high risk continues into July and August with an index of 10 and 9, respectively. September sees a slight decline to an index of 8, while October and November return to a moderate index of 5 and 3, allowing longer burn times of 30 minutes. Finally, December presents a low UV Index of 2, with a burn time of 45 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months of April through September, ensuring they use proper sunscreen, wear protective clothing, and seek shade to avoid adverse effects from sun exposure.
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 |
| Cowley | 3 | 5 | 6 | 9 | 9 | 11 | 10 | 10 | 8 | 5 | 3 | 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 |