Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors in Oreini, Greece, where sunny days are a hallmark of the climate. With a Cfa climate characterized by warm summers, the UV levels can climb significantly, peaking at a striking 10 between noon and 2 PM. Being aware of these levels is vital for preventing sunburn and promoting long-term skin health. Whether you're enjoying outdoor activities or simply soaking up the sun, knowing the UV Index can help you take the necessary precautions to safeguard your skin against harmful UV radiation. Stay informed, stay protected, and enjoy the sunny charm of Oreini!
The UV Index data for the day reveals a notable rise in solar intensity, peaking at 10 between 1:00 PM and 2:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching a moderate 5 by 10:00 AM, and then surging to 9 at 12:00 PM. As the clock strikes 1:00 PM, the maximum UV Index of 10 alerts outdoor enthusiasts to take precautions. After this peak, a gradual decline begins, dropping to 4 by 5:00 PM, and the day winds down with readings back to 1 by 7:00 PM. Monitoring these fluctuations is essential for enjoying the sunshine safely!
| 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 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. January and December register low UV exposure levels (Index 2), allowing for longer safe sun exposure times of around 45 minutes. As February progresses to an Index of 4, caution becomes necessary, with a burn time of 30 minutes. The high-risk months emerge from March to September, where the Index ranges from 6 to 10, signaling very high UV levels for much of the summer; notably, April to August sees a consistent Index of 8-10, with a critical burn time of just 15 minutes. In this period, it's vital for visitors and residents to take precautions by seeking shade, wearing protective clothing, and applying sunscreen regularly. As the year transitions into fall, the UV Index declines, although October still presents a high risk at 6. Emphasizing sun safety during peak months is essential to prevent harmful UV 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 |
| Oreini | 2 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 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 |