Last updated: July 2, 2025
In Julis, Israel, being aware of the UV Index is essential for protecting your skin from harmful ultraviolet radiation. Understanding UV levels not only helps in preventing painful sunburns but is also crucial for long-term skin health and reducing the risk of skin cancers. With a Mediterranean climate characterized by hot, dry summers, Julis experiences elevated UV exposure, particularly during peak hours of 11 AM to 1 PM when the UV Index reaches its highest levels of 11. Being informed about these levels can empower you to take proactive measures, ensuring you enjoy the sunny days while keeping your skin safe.
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 exposure varies significantly, with the highest risk months occurring between April and August. The UV Index peaks in June and July at an extreme level of 11, allowing for a burn time of only 10 minutes. As summer approaches, particularly in May and June, caution is essential due to very high to extreme UV levels (UV Index 9-11). Visitors and residents are advised to take protective measures, such as wearing sunscreen, hats, and sunglasses, particularly during these months. Conversely, from November to March, the UV Index decreases to moderate levels, allowing for longer exposure times, but caution is still recommended, particularly in February and March when UV levels rise again. Overall, stay informed and protect your skin year-round, adjusting precautions as the UV Index changes.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Julis | 4 | 6 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| 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 |