UV Index in Fira, Greece

Last updated: June 2, 2025

Understanding the UV Index in Fira, Greece is crucial for ensuring your safety and well-being under the sun. With its stunning landscapes and Mediterranean climate, Fira can expose you to varying UV levels throughout the day, making awareness essential for preventing sunburn and maintaining skin health. From mid-morning to early afternoon, when the UV index peaks at 10, it’s vital to take precautions to shield yourself from harmful rays. As you explore the beautiful cliffs and vibrant streets of this charming town, staying informed about UV risks can help you enjoy every moment while protecting your skin from future damage.

Hourly UV Index in Fira

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 Fira

As the seasons change, so do the UV Index levels, which indicate the intensity of ultraviolet radiation. January and December have moderate UV levels (3), requiring about 30 minutes of sun exposure before the risk of burning increases. February sees an uptick to a UV Index of 5, maintaining a similar burn time. From March through October, the UV Index escalates, peaking at 10 from May to August, classifying these months as very high risk with a burn time of just 15 minutes. April also falls into the very high category with a UV Index of 9. As fall approaches, September sees a slight decrease to 8, while October returns to a high level of 7. The high-risk months to be especially cautious are from March to October, where prolonged sun exposure can lead to skin damage. Visitors and residents are advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, particularly during these peak months.

Monthly Maximum UV Index for Fira, Greece

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Fira. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108743
Data source: Statistical UV Index data for Fira, 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 Fira UV Index with Other Greece Cities

The table above highlights how UV exposure in Fira 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.
Fira's solar exposure compared to other cities in Greece. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Thessaloniki UVI3467910997642
Larisa UVI3468101110108643
Patra UVI3568101110108643
Piraeus UVI3468101010108743
Athens UVI3468101010108743
Fira3579101010108743