Last updated: June 2, 2025
Understanding the UV Index in Nea Chalkidona, Greece is vital for protecting your skin from harmful ultraviolet rays. With the Mediterranean climate bringing plenty of sunshine, awareness of UV levels is essential for preventing sunburn and maintaining long-term skin health. The UV index can peak at a significant 10 during the hottest hours, particularly from 12:00 PM to 2:00 PM, indicating a high risk of harm from unprotected sun exposure. Knowing when to seek shade and how to apply sunscreen effectively will help you enjoy the beautiful weather without compromising your skin’s safety!
During the day, the UV Index shows a notable rise, starting from a safe level of 1 at 07:00 and 08:00. As the sun climbs higher, it peaks at an intense 10 between 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. Be cautious during this timeframe! The index gradually dips to 7 at 16:00, then falls to a more manageable 2 by 18:00, before returning to a minimal 1 as daylight wanes. For those planning outdoor activities, it's crucial to protect your skin during the midday hours when the sun is strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | 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 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
During the year, the UV Index fluctuates significantly, indicating changing exposure levels and recommended precautions. The high-risk months for UV exposure are April to September, when the UV Index peaks at 10, classified as very high. Specifically, visitors and residents should be particularly cautious from May through August, when burn time is only 15 minutes. In contrast, the UV Index is lower during the winter months, with January and December registering a UV Index of 3 and a burn time of 30 minutes. It is vital for individuals to take protective measures—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months, to minimize the risks associated with excessive sun exposure.
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 |
| Nea Chalkidona | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 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 |