Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sikinos, Greece, where the sun's rays can be particularly intense. Awareness of UV levels plays a vital role in preventing sunburn and safeguarding skin health, making it essential to monitor daily fluctuations. Located in a semi-arid climate (BSk), Sikinos experiences significant UV exposure, especially during midday hours when the index peaks at 10—indicating a high risk of harm from unprotected sun exposure. Stay informed to enjoy the beautiful Greek sun safely!
Throughout the day, the UV Index exhibits a remarkable rise, peaking at 10 between 12:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting the morning at a mere 1 at 7:00 AM, the index steadily climbs as the sun ascends, hitting 5 by 10:00 AM and rapidly accelerating to 8 by 11:00 AM. After reaching its zenith at noon, the readings gradually decline through the afternoon, dropping to 4 by 5:00 PM and falling further to 1 by 7:00 PM. It's clear that careful sun protection is essential during the midday hours when the sun's strength is at its most intense.
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | 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 |
The UV Index experiences significant seasonal fluctuations, peaking during the summer months. From January to February, the index remains at a moderate level (3 to 5), allowing for a burn time of 30 minutes. As spring approaches in March, the index rises to 7 (high), reducing burn time to 25 minutes. The most critical months for UV exposure are from April to September, where the index hits 9 to 10 (very high), with a mere 15 minutes of safe exposure. October sees a decrease to 7 (high), with an increased burn time of 25 minutes, while November and December return to a moderate level of 4 and 3, respectively, allowing 30 minutes before sunburn occurs. Visitors and residents should take precautionary measures, especially in the high-risk months of April through September, by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to safeguard against harmful UV radiation.
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 |
| Sikinos | 3 | 5 | 7 | 9 | 9 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |