UV Index in Mykonos, Greece

Last updated: June 2, 2025

Understanding the UV Index is crucial for anyone enjoying the sunny shores of Mykonos, Greece. With its delightful Mediterranean climate, this beautiful island experiences significant sun exposure, making awareness of UV levels essential for preventing sunburn and protecting long-term skin health. During peak hours—especially between 11:00 AM and 2:00 PM, when the UV Index reaches a high of 10—risk levels soar, highlighting the importance of taking necessary precautions while basking in the sun. Embrace the sun smartly and enjoy the stunning beauty of Mykonos safely!

Hourly UV Index in Mykonos

At dawn, 7:00 AM, the UV Index is a mild 1, offering a gentle start to the day. As the sun climbs higher, it steadily rises, reaching 2 by 8:00 AM and hitting 3 at 9:00 AM. However, between 10:00 AM and 1:00 PM, the intensity increases sharply, peaking at an impressive 10 from 12:00 PM to 1:00 PM—the highest level of risk. The UV Index then begins its descent, dropping to 8 at 3:00 PM, followed by a gradual decline to 4 by 5:00 PM. As evening approaches, the index wanes further, settling back down to 1 by 7:00 PM. To enjoy the sunshine while staying safe, make sure to take precautions, especially during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:008very high15 min
12:0010very high15 min
13:0010very high15 min
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Mykonos

Throughout the year, UV index levels fluctuate significantly, with high-risk months identified primarily from April to September. During this period, the UV index peaks at 10, indicating very high exposure risk, particularly in June, July, and August. In contrast, winter months like January and December show a lower UV index of 3, falling into the moderate exposure category, where skin burns within 30 minutes of unprotected sun exposure. As spring approaches, the risk begins to rise, necessitating increased sun protection starting in March. Residents and visitors should be particularly cautious during the summer months, applying broad-spectrum sunscreen and seeking shade, especially when activities are planned during peak sun hours.

Monthly Maximum UV Index for Mykonos, Greece

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mykonos. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3568101010108643
Data source: Statistical UV Index data for Mykonos, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Mykonos UV Index with Other Greece Cities

The table above highlights how UV exposure in Mykonos compares to other major locations across Greece. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Mykonos's solar exposure compared to other cities in Greece. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Thessaloniki UVI3467910997642
Larisa UVI3468101110108643
Mykonos356891010108643
Patra UVI3568101110108643
Piraeus UVI3468101010108743
Athens UVI3468101010108743