Last updated: May 3, 2025
Living in Megara, Greece, it's crucial to be aware of the UV Index as this simple measure can significantly impact your skin health and overall well-being. With the Mediterranean climate characterized by warm summers and abundant sunshine, understanding the UV levels is vital for effective sunburn prevention. On a typical day, especially between noon and 3 PM, the UV Index can reach a high of 10, indicating a very high risk of harm from unprotected sun exposure. By keeping an eye on the UV Index, you can make informed decisions for safe outdoor activities, ensuring that you enjoy Megara’s beautiful weather while protecting your skin.
As the sun rises, the UV Index begins its gentle ascent, starting at 1 at 07:00. By 09:00, it climbs to 3, hinting at the day's potential for sun exposure. The heat peaks around 12:00, reaching a blistering 9, and hits its maximum at 13:00 and 14:00, both at a high of 10—a critical time for sun safety. As the afternoon transitions to evening, the UV Index gradually dips; by 18:00, it's down to 2, and as twilight approaches, it settles back at 1 by 19:00. Plan your outdoor activities wisely to stay safe in the sun!
| 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 | 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 |
As the seasons change, so does the UV Index, significantly impacting sun safety for visitors and residents. From January to February, the UV Index remains at a moderate level (3 to 4), allowing for a burn time of up to 30 minutes. However, as spring approaches in March with an increase to a high UV Index of 6 and a burn time of 25 minutes, caution becomes essential. April and May see a steep rise to a very high exposure (UV Index 8-10), reducing the safe burn time to just 15 minutes. The peak of UV intensity occurs in June with an extreme UV Index of 11, demanding vigilant sun protection as burn time is just 10 minutes. July and August maintain the very high levels (10), while September and October witness a gradual decline, with the UV Index falling to 8 and 7, respectively, allowing for longer exposure times of 15 and 25 minutes. As November and December arrive, the UV Index drops back to a moderate level, corresponding to a return to 30-minute burn time. Given these fluctuations, it is crucial for everyone to take appropriate precautions during March to October, particularly in the peak summer months, utilizing sunscreen, protective clothing, and seeking shade when necessary.
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 |
| 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 |
| Megara | 3 | 4 | 6 | 8 | 10 | 11 | 10 | 10 | 8 | 7 | 4 | 3 |