Last updated: June 2, 2025
In Newcastle, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. The UV Index serves as a vital indicator of the sun's intensity and potential risks, highlighting the importance of vigilance against sunburn and long-term skin damage. With Newcastle situated in a BSk climate zone, residents often experience varying UV exposure, especially during peak hours when the index can soar to 11—a level that demands serious sun safety measures. Understanding these UV levels helps you plan your outdoor activities wisely, ensuring you can enjoy the sun while keeping your skin safe.
The UV Index today showcases a steady climb as the sun rises, starting with a mild 1 at 07:00. By 10:00, it ramps up to 7, signaling a more intense sun exposure. The peak arrives at 12:00 and 13:00, with a striking 11, indicating a high risk of harm from unprotected sun exposure. As the afternoon wanes, the index gradually declines to 8 at 15:00 and further down to 2 by 18:00, creating a safer environment for evening activities. Overall, the day's UV pattern emphasizes the importance of sun protection during the midday hours, while reassuring a more manageable level of UV exposure later in the day.
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | 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 exhibits significant seasonal changes, reaching its peak during the summer months. From January to March, the UV Index starts at a moderate level of 3 and escalates to 6 by March, indicating a shift towards higher risk of skin damage. The transition into April marks the onset of very high UV exposure, peaking in June and July with an extreme index of 11. The risk remains very high in August and September, before declining again in the fall. High-risk months are clearly identified from April to September, with a particular emphasis on the extreme months of June and July, where the burn time drastically reduces to just 10 minutes. It is critical for both visitors and residents to take precautions during these months, such as wearing protective clothing and applying sunscreen regularly, while in contrast, the winter months of December and January present significantly lower UV levels, allowing for longer, safer exposure times.
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 |
| Newcastle | 3 | 5 | 6 | 10 | 9 | 11 | 11 | 10 | 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 |