Last updated: July 2, 2025
In Greasewood, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps in planning outdoor activities effectively, ensuring you take necessary precautions against sunburn, premature aging, and skin cancer. With Greasewood's semi-arid climate characterized by strong sunlight and high UV exposure, particularly during midday hours where the index peaks at 13, it's essential to stay informed and take proactive measures to safeguard your skin while enjoying the great outdoors.
The UV Index reveals a dynamic dance of sunlight throughout the day, starting with a gentle rise at 7:00 AM with a maximum of 1. As the sun climbs higher, the index escalates, reaching 2 by 8:00 AM and 3 at 9:00 AM. 10:00 AM marks a noticeable leap to 6, setting the stage for peak exposure. By 11:00 AM, the UV Index skyrockets to 9, and it continues to surge, hitting a maximum of 11 at 12:00 PM. The afternoon peaks with a 13 at 1:00 PM, before gradually tapering off to 12 at 2:00 PM. The late afternoon sees a decline with 10 at 3:00 PM, drifting down to 8 by 4:00 PM, and settling into evening with 5 at 5:00 PM. Finally, as daylight wanes, the index drops to a calm 2 at 6:00 PM and returns to 1 by 7:00 PM. This data tells a clear story: midday requires diligence in sun protection, while the early morning and late afternoon embrace a more manageable UV exposure.
| 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 | 13 | 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with the highest risk months occurring from April to September, when the UV Index consistently reaches extreme levels of 11-13. During these months, skin can burn in as little as 10 minutes, urging residents and visitors to take protective measures seriously. February and March also see very high UV exposure, with an Index of 8-9 and burn times of 15 minutes. In contrast, January and December present moderate exposure, with burn times up to 30 minutes. To safeguard against skin damage, it is advisable for everyone to apply sunscreen frequently, wear protective clothing, and seek shade, especially during the peak UV hours between 10 AM and 4 PM.
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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Greasewood | 4 | 8 | 9 | 11 | 12 | 13 | 13 | 12 | 11 | 8 | 6 | 4 |