Last updated: May 3, 2025
In Calverton, United States, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburns and reduce the risk of long-term skin damage, ensuring you enjoy the outdoors safely. With a humid subtropical climate (Cfa), Calverton is prone to significant UV exposure, especially during peak hours when the index soars to 9 from noon to early afternoon. By keeping an eye on the UV Index, you can make informed decisions about when to seek shade or apply sunscreen, safeguarding your skin from harmful rays.
As the sun rises, the UV Index starts off relatively low, peaking at 1 at 7:00 AM. By 8:00 AM, it gently climbs to 2, but it’s not until 9:00 AM that the intensity begins to gather real momentum, reaching 4. The index rises sharply as the day progresses, hitting 6 by 10:00 AM, and then escalating to a striking 8 at 11:00 AM. The maximum intensity occurs at 12:00 PM and 1:00 PM, where it levels off at a high 9. This peak is maintained through 2:00 PM, after which the UV Index begins its descent, dropping to 7 at 3:00 PM, 5 at 4:00 PM, and further declining to 3 by 5:00 PM. By the evening, it gently falls back to 1 at both 6:00 PM and 7:00 PM, signaling a significant reduction in sun exposure. Overall, it's a day where protection from UV radiation is essential during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, the UV Index exhibits significant fluctuations, indicating varying levels of sun exposure risk. From January to March, the UV Index starts off in the moderate range (3-6), suggesting a burn time of 30 minutes in January and February, but decreases to 25 minutes in March. The high-risk months emerge from April to September, where the Index rises dramatically to the very high range (8-10), with a critical burn time dropping as low as 15 minutes in April, May, June, July, August, and September. October sees a decline back to a high UV Index (6), allowing for 25 minutes of exposure before burning, while November and December move back into moderate and low categories (4 and 2, respectively) with more forgiving burn times of 30 minutes and 45 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade, particularly when the UV Index is at its peak in the summer months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calverton | 3 | 5 | 6 | 8 | 9 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| 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 |