Last updated: August 1, 2025
Understanding the UV Index in Bat Yam, Israel is essential for safeguarding your skin health and preventing harmful sunburns. With its Mediterranean climate, Bat Yam experiences significant sun exposure, especially during the peak hours of the day when UV levels can soar to 11—a critical risk for anyone outdoors. By being aware of the local UV Index, residents and visitors can make informed decisions about sun protection, ensuring they enjoy the beautiful beaches and warm temperatures while minimizing the risk of skin damage. Stay vigilant and protect your skin; the sun's rays are powerful, and knowledge is your best defense!
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 | 9 | 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 |
| Bat Yam | 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 |