Last updated: July 2, 2025
In Arethousa, Greece, staying aware of the UV Index is crucial for protecting your skin under the vibrant sun. Understanding UV levels helps prevent sunburn and long-term skin damage, enabling you to enjoy the beautiful outdoors without worry. With a Cfa climate characterized by warm summers and ample sunshine, Arethousa experiences varying UV exposure throughout the day, peaking at levels 9 around noon. By keeping an eye on the UV Index, you ensure safe sun practices while embracing all the joys this picturesque region has to offer.
The UV Index throughout the day shows a notable peak around midday, reaching a maximum of 9 at both 12:00 PM and 1:00 PM. Early in the morning, from 7:00 AM to 8:00 AM, the index remains at a low 1, indicating minimal UV exposure. As the day progresses, it gradually rises, hitting 5 by 10:00 AM and surging to 7 by 11:00 AM. The intensity continues to climb until it stabilizes at 9 during the hottest hours before gradually descending after 3:00 PM, dropping to 4 by 5:00 PM and returning to a comfortable 1 by 7:00 PM. For those planning outdoor activities, it's crucial to take precautions during the peak hours of 12:00 PM to 2:00 PM to avoid harmful UV exposure.
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | 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 Index levels exhibit significant seasonal fluctuations, with high-risk months typically occurring from April to August. During this period, the UV Index peaks at 10 in June, indicating a very high exposure category, which necessitates a burn time of just 15 minutes. Even in March and September, with indexes of 6 and 7 respectively, caution is advised as exposure remains in the high category. Conversely, the UV Index diminishes from October through December, with levels dropping to a low of 2 in December, allowing for longer safe exposure times of 45 minutes. Residents and visitors are encouraged to take appropriate sun safety measures during the high-risk months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sunlight hours to reduce the risk of sunburn and long-term skin damage.
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 |
| Arethousa | 3 | 4 | 6 | 8 | 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 |