Last updated: June 2, 2025
Understanding the UV Index in Aurora, United States is crucial for safeguarding your skin health and preventing sunburn, especially during the peak summer months. With UV levels soaring to a maximum of 12 around midday, the importance of being aware of these fluctuations cannot be overstated. The climate in Aurora, characterized by its Dfb classification, means residents frequently face moderate to high UV exposure throughout the year. By keeping an eye on the UV Index, you can make informed choices about sun protection, ensuring your skin stays safe while enjoying the beautiful outdoors.
The UV Index throughout the day presents a fascinating journey of sun intensity. Beginning with a gentle rise, the index starts at a mere 1 at 07:00. As the morning unfolds, it climbs steadily, reaching 3 by 09:00. The sun's power peaks dramatically at 12:00, hitting a blistering 11, just before hitting its apex of 12 at 13:00. After this zenith, the intensity begins to wane, descending to 10 by 15:00 and gradually tapering off to 5 by 17:00. The evening sees a return to softer sunlight, with the index dropping back to 1 by 19:00. Be sure to protect yourself during those peak hours when the sun fires up the scale!
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, reflecting seasonal changes that impact sun exposure. High-risk months for UV exposure are typically from March to August, peaking in May and June with an extreme index of 11 to 12 and a burn time of just 10 minutes. During these months, individuals are advised to take extra precautions, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. As we transition into September and October, the UV Index remains elevated but decreases slightly, with burn times returning to 15 and 25 minutes, respectively. For January and February, while UV levels are moderate to high, visitors and residents should remain vigilant against UV exposure. Overall, it is crucial for everyone to stay informed and adjust their sun protection measures according to the changing UV Index throughout 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 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Aurora | 4 | 7 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |