Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Hardin, United States, as it plays a vital role in protecting skin health and preventing sunburn. With a Cfa climate, Hardin experiences a variety of UV exposure risks throughout the year, particularly during peak hours when the UV Index can reach as high as 12. By being aware of UV levels, you can take proactive measures to safeguard yourself and your loved ones from harmful effects of the sun, ensuring a healthier, happier outdoor experience. Stay informed and enjoy the sunshine safely!
The UV Index on this particular day reveals a dynamic shift in sun exposure as the hours progress. Starting off at a mild 1 at 07:00, it remains low until 09:00, when it begins to rise gradually. By 10:00, the index reaches 5, signaling the start of heightened UV radiation. The day peaks sharply at 12:00 with a breathtaking 10, and just one hour later, it hits its maximum at 13:00 with an impressive 12. As the afternoon continues, the UV levels begin to decline, dropping to 11 at 14:00, and further decreasing to 9 by 15:00. The evening hours offer a welcome respite as the index falls to 4 at 17:00, then down to 2 by 18:00, and finally returning to a low 1 by 19:00. It's a vivid reminder to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | 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 experiences significant fluctuations, peaking in the summer months. From January (UV Index 5) to February (UV Index 8), there's a clear increase, with March and April maintaining high levels (UV Index 9-10). May through August sees the highest readings, particularly reaching UV Index 12 in June and July, indicating extreme exposure risk, where skin can burn within just 10 minutes. As the year transitions to September and October, the UV Index begins to decline but remains in the very high category until November (UV Index 6) and finally returns to moderate in December. Visitors and residents should be particularly cautious between February and August—the high-risk months for UV exposure—by implementing protective measures such as wearing sunscreen, sunglasses, and hats, and seeking shade during peak sun hours.
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 |
| Hardin | 5 | 8 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 5 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |