Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Marina, Greece, as it directly impacts sun safety and skin health. With the region's warm Cfa climate, the risk of ultraviolet exposure can be significant, especially during peak hours when UV levels soar to 10 around noon. By staying informed about the UV Index, you can effectively prevent sunburn and minimize long-term skin damage, ensuring you enjoy the beautiful Mediterranean sun safely. Remember, even when the UV Index appears low early in the day, protective measures become essential as midday approaches!
The UV Index is a dynamic measure of solar intensity throughout the day, peaking dramatically at 12:00 PM with a notable 9, reaching its zenith at 1:00 PM and 2:00 PM with a maximum value of 10. During this period, it's essential to protect your skin from harmful UV rays. Early morning hours remain quite low, peaking at just 1 by 08:00 AM, while by 10:00 AM the index climbs to 5. As the sun continues to rise, it climbs swiftly to 7 by 11:00 AM, making midday the crucial time for sunscreen and shade. As the afternoon wanes, the UV Index gradually decreases, falling back to 5 by 5:00 PM, and finally settling at 1 by 7:00 PM, signaling a safe return to outdoor activities. Stay vigilant and enjoy the sunshine safely!
| 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 | 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels fluctuate significantly, indicating changes in sun exposure risk. January and February have moderate UV levels (indices of 3 and 4) where the risk of sunburn is low to moderate, with a burn time of 30 minutes. As spring unfolds, March sees an increase to a high level of 6, prompting a burn time of 25 minutes. The high-risk months transition into summer, peaking in June, July, and August with a maximum UV index of 10 (very high exposure) and a burn time of just 15 minutes. April and May also present very high conditions (UV indices of 8 and 9), so it is crucial for both visitors and residents to take precautions during these months. September starts a decline with a UV index of 8, returning to lower levels in October (6), and finally dropping to mild conditions in November (4) and December (2), where the burn times extend to 30 minutes and 45 minutes, respectively. It's advisable for everyone to be vigilant and use sunscreen, hats, and protective clothing from March through September when UV radiation is most intense.
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 |
| Marina | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 10 | 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 |