Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Archontochori, Greece, where sunny Mediterranean days can quickly turn into a risk for skin health. With UV levels peaking at an impactful 10 during the midday hours, knowing when and how to protect yourself from harmful rays can mean the difference between a fun day outdoors and a painful sunburn. The local Csa climate offers plenty of sun, which enhances the allure of outdoor activities but also elevates the risk of overexposure. Stay informed and prioritize your skin's safety by regularly checking the UV Index, so you can enjoy the sun while keeping your skin healthy and protected!
As the sun rises at 07:00, the UV Index begins its ascent, peaking at 1, perfect for morning strolls. By 09:00, it climbs to 2, indicating a gentle increase in sun exposure. However, as the clock strikes 10:00, the UV Index jumps to 4, signaling that it’s time to apply sunscreen. The midday sun really turns up the heat, hitting 8 by 12:00 and reaching a blistering 10 at 13:00 and 14:00, making this the most intense period for UV rays. As the afternoon rolls in, a gradual decline begins, with the UV Index dipping to 9 at 15:00 and further down to 4 by 17:00. As the sun sets, the index returns to a safe 2 by 18:00, finally settling back at 1 by 19:00. Remember, daytime sun safety is crucial—stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | 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 |
As the seasons change, so do the UV Index levels, indicating variations in sun exposure risk. January and February have a moderate UV Index of 3 and 4, leading to a burn time of about 30 minutes. Things ramp up in March with a high UV Index of 6 (25-minute burn time), followed by the critically elevated levels of 8 to 10 from April through August, where burn times shrink to just 15 minutes. September marks a slight decrease to 8, while October sees a return to high levels at 6, before falling back to moderate in November and December. Visitors and residents should be particularly cautious during the high-risk months of April through August, applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize sun damage. Regular checks of daily UV levels are advised to stay informed and safe.
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 |
| Archontochori | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| 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 |