UV Index in Thessaloniki, Greece

Last updated: May 3, 2025

Understanding the UV Index in Thessaloniki, Greece, is crucial for protecting your skin and maintaining overall health. With peak UV levels reaching 9 during the afternoon, awareness of these readings is essential for preventing sunburn and reducing long-term skin damage. Thessaloniki’s Mediterranean climate typically brings about intense sunlight, especially in summer months, making it vital for residents and visitors alike to monitor UV exposure. Whether you’re heading to the beach or exploring the city's rich history, being informed about UV risks can help you enjoy the sun safely and responsibly.

Hourly UV Index in Thessaloniki

Starting from 07:00 AM, the UV Index remains low at 1, perfect for a morning stroll. As the sun climbs higher, the intensity gradually increases: reaching 3 by 09:00 AM and then escalating to 4 at 10:00 AM. The peak intensity occurs at 01:00 PM, with a striking UV Index of 9, suggesting it's vital to seek shade or apply sunscreen during this hour. The afternoon sees a slight decline, with values of 8 at 03:00 PM and 6 by 04:00 PM. As the day winds down, the UV Index drops back to 4 at 05:00 PM, and then gently falls to 2 by 06:00 PM, before settling back at 1 near sunset. It's a day to stay sun-smart!

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
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:009very high15 min
14:009very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Thessaloniki

Throughout the year, the UV Index exhibits notable seasonal fluctuations, with the highest levels occurring from May to August. During this peak period, the UV Index reaches a very high level of 9 to 10, requiring careful attention as the burn time is reduced to just 15 minutes. The high-risk months for sun exposure are March through October, with particular caution advised during May to July. Visitors and residents should prioritize sun protection during these months by wearing sunscreen, protective clothing, and seeking shade to minimize harmful effects. Conversely, from November to February, the UV Index drops to moderate or low levels, where longer exposure times are safer, but awareness should still be maintained, especially during February and March.

Monthly Maximum UV Index for Thessaloniki, Greece

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Thessaloniki. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997632
Data source: Statistical UV Index data for Thessaloniki, 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 Thessaloniki UV Index with Other Greece Cities

The table above highlights how UV exposure in Thessaloniki 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.
Thessaloniki's solar exposure compared to other cities in Greece. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Thessaloniki3467910997642
Larisa UVI3468101110108643
Patra UVI3568101110108643
Piraeus UVI3468101010108743
Athens UVI3468101010108743