Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Holon, Israel—a city blessed with a Mediterranean climate that brings plenty of sunshine and outdoor opportunities. With UV levels reaching a maximum of 11 during peak hours, awareness of these levels is essential for sunburn prevention and maintaining long-term skin health. By grasping the potential risks associated with UV exposure, especially during midday when the index soars, you can take proactive measures to protect yourself and your loved ones from harmful effects. Stay informed, stay safe, and enjoy the sunny days Holon has to offer!
Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these 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 | 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 | 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 |
Throughout the year, UV Index levels show significant seasonal variations that pose different risks to individuals. High-risk months typically occur from March to August, when the UV Index reaches extreme levels of 11 in May, June, and July, and very high levels of 9 to 10 in April, August, and September. During these months, burn times drop to as low as 10 minutes, highlighting the importance of protection against harmful UV radiation. Visitors and residents are advised to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially in these high UV periods. In contrast, January, December, and November show moderate exposure levels, where burn times increase to 30 minutes. Nonetheless, it's essential to remain vigilant year-round as UV-related risks exist, even in lower-index months.
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 |
| Holon | 4 | 6 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 8 | 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 |