Last updated: August 1, 2025
In 'Ar'ara BaNegev, Israel, being aware of the UV Index is essential for safeguarding your skin and overall health. As the sun rises high in the sky, its intensity increases, peaking between 11:00 AM and 1:00 PM with a UV Index reaching a maximum of 11—indicating a very high risk of harm from unprotected sun exposure. Understanding these levels is crucial for sunburn prevention and maintaining healthy skin, especially in a BSh climate where clear skies and direct sunlight dominate. By monitoring the UV Index, residents can take proactive steps to protect themselves and enjoy the beautiful sunny days safely.
At dawn, the UV Index begins its ascent with a mild 1 at 7:00 AM, gradually increasing to a moderate 2 by 8:00 AM. As the sun climbs higher, it reaches a noteworthy 5 at 9:00 AM, but the real intensity hits at 10:00 AM with a strong 7. By 11:00 AM, the UV levels soar to a peak of 10, continuing at an impressive 11 from 12:00 PM to 1:00 PM—the highest of the day. After this midday intensity, the numbers begin to wane, dropping to 10 at 2:00 PM, then to 8 at 3:00 PM. The afternoon cools off slightly, falling to 5 by 4:00 PM, and ultimately settling back to 3 by 5:00 PM. As the day draws to a close, the UV Index gently slips to 1 by 6:00 PM, and remains there until 7:00 PM, indicating a safe return to evening activities.
| 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 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV Index levels, significantly impacting sun safety for both residents and visitors. From January to March, the UV Index escalates from moderate (5) to very high (9), indicating a growing need for sun protection, especially by March when burn time decreases to just 15 minutes. The summer months of May through August experience extreme UV exposure, with the UV Index peaking at 12 and a burn time of only 10 minutes, marking them as the highest risk months for skin damage. As autumn approaches, the UV Index remains elevated until November, where it drops to a high level (6) but is still noteworthy. In December, the UV Index falls to moderate levels (4), offering a brief reprieve. It is critical for everyone to take precautions such as wearing sunscreen, protective clothing, and seeking shade during high UV periods to mitigate skin damage throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Haifa UVI | 4 | 6 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| Petah Tiqwa UVI | 4 | 6 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 8 | 5 | 4 |
| Tel Aviv UVI | 4 | 6 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 8 | 5 | 4 |
| Ashdod UVI | 4 | 6 | 8 | 10 | 11 | 12 | 11 | 10 | 9 | 8 | 5 | 4 |
| Jerusalem UVI | 4 | 6 | 8 | 10 | 12 | 12 | 11 | 11 | 10 | 8 | 5 | 4 |
| 'Ar'ara BaNegev | 5 | 6 | 9 | 10 | 12 | 12 | 11 | 11 | 10 | 8 | 6 | 4 |