Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Yakhini, Israel, particularly given the region's BSh climate, which often leads to high sun exposure. Awareness of UV levels plays a vital role in preventing sunburn and promoting long-term skin health. With peak UV Index values soaring to 11 around midday, it's essential to be mindful of the risks associated with prolonged sun exposure, especially during the hotter months. By staying informed about the UV Index, you can better protect yourself and others from the damaging effects of ultraviolet radiation.
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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 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 |
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 |
| Yakhini | 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 |