Last updated: June 2, 2025
Understanding the UV Index in South Jordan, Utah is essential for ensuring your skin’s health and safety under the vibrant sun. With UV levels peaking during the midday hours, awareness of these readings can help prevent sunburn and reduce long-term skin damage. South Jordan’s humid subtropical climate brings increased sun exposure, particularly from late spring to early fall, making it vital for residents and visitors alike to monitor UV intensity regularly. With a maximum UV Index reaching a striking 12 at noon, understanding these levels is key to enjoying the outdoors while protecting your skin from harmful rays.
As the sun rises, the UV Index begins its steady climb, starting at 1 by 7:00 AM. By 8:00 AM, it barely nudges to 2, but as the day progresses, so does the intensity of UV rays. At 10:00 AM, the index reaches 6, a clear signal to start protecting your skin. The peak arrives at 12:00 PM with a blistering 11, followed closely by a slight drop to 10 by 3:00 PM. The afternoon sees a gradual decline, dipping to 3 by 6:00 PM, wrapping up a day where vigilance against UV exposure was paramount. Remember, from 11:00 AM to 3:00 PM, your skin deserves extra care as 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index presents significant seasonal changes that indicate varying levels of sun exposure risk. From January to March, the UV Index begins to rise, peaking in April—a month categorized as very high with a burn time of just 15 minutes. The high-risk months for UV exposure are May, June, July, and August, where the Index reaches an extreme level of 12 and burn times are as short as 10 minutes. As the year progresses into September, the UV Index drops to 9, still considered very high. By late fall and winter months, the risk decreases significantly, ending the year with a UV Index of 3 in December. It is crucial for visitors and residents alike to practice sun safety during high-risk months by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of sunburn and skin damage.
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 |
| South Jordan | 4 | 6 | 7 | 10 | 11 | 12 | 12 | 11 | 9 | 6 | 5 | 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 |