Last updated: July 2, 2025
In the beautiful island of Kos, Greece, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. With sunny weather typical of the Mediterranean Csa climate, UV levels can soar to a maximum of 10 around midday, significantly increasing the risk of harmful effects from sun exposure. Being aware of these levels enables residents and visitors alike to take necessary precautions, ensuring a safe and enjoyable experience under the sun while protecting your skin from potential damage. Stay informed and enjoy the sunny paradise of Kos responsibly!
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels fluctuate significantly, with high-risk months typically occurring from March to September. During this period, the UV Index peaks, reaching a maximum of 10 from May to August, categorized as very high, where the burn time is critically low at just 15 minutes. In April, the UV Index rises to 8 (very high) before hitting its peak, making this an essential month for sun protection awareness. Conversely, the months of January, February, November, and December report a moderate UV Index of 3 to 5, allowing for longer exposure times of up to 30 minutes. Visitors and residents should prioritize sun safety measures—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months, to mitigate the risk of skin damage from harmful UV rays.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thessaloniki UVI | 3 | 4 | 6 | 7 | 9 | 10 | 9 | 9 | 7 | 6 | 4 | 2 |
| Larisa UVI | 3 | 4 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Patra UVI | 3 | 5 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Piraeus UVI | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
| Athens UVI | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
| Kos | 3 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |