Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Haverhill, Massachusetts, as it provides vital information about the sun's intensity and potential risks associated with overexposure. With UV levels soaring as high as 12 during peak hours, being aware of this index is essential for effective sunburn prevention and maintaining healthy skin. The local climate, characterized by warm summers and varying exposure risks, highlights the importance of protecting yourself from harmful UV rays. Remember, staying informed about these levels not only safeguards your skin but also enhances your overall well-being while enjoying Haverhill's sunny days.
The UV Index data for the day reveals a clear progression of solar intensity as the hours unfold. Starting the morning with low values of 1 at 7:00 AM and 8:00 AM, the index begins to rise significantly by 9:00 AM, reaching 3. The sun's potency peaks sharply at 12:00 PM with a staggering value of 11, indicating a high risk of harm from unprotected sun exposure. This intensity remains elevated at 12 from 1:00 PM to 2:00 PM, before starting to decline as the afternoon turns to evening. By 3:00 PM, it falls to 10, and further decreases to 4 by 5:00 PM. As the sun sets, the UV Index tapers off to 2 at 6:00 PM and returns to 1 by 7:00 PM. It’s a day that strongly emphasizes the importance of sun safety during 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 | 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 | 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, seasonal changes in UV exposure reflect significant shifts in the UV Index. From January to March, the UV Index rises from a high level of 6 to a very high 10, indicating a growing risk for skin damage. The months of April through September present the most critical danger, characterized by an extreme UV Index of 12, where the burn time diminishes to just 10 minutes. Following this peak, October sees a drop to 10 (very high), before conditions moderate in November and December, with indexes falling to 7 and 5, respectively. Visitors and residents are advised to take precautions during high-risk months, particularly from April to September. It is essential to limit sun exposure, wear protective clothing, apply sunscreen regularly, and seek shade to safeguard against skin damage during these periods of heightened UV intensity.
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 |
| Haverhill | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 7 | 5 |