UV Index in Mykonos, Greece

Last updated: May 3, 2025

Understanding the UV Index in Mykonos, Greece, is crucial for anyone looking to enjoy the sun-drenched beaches and vibrant lifestyle of this stunning island. High levels of ultraviolet radiation can lead to severe sunburns and long-term skin damage, making it essential to know the UV levels throughout the day. Mykonos is known for its warm Mediterranean climate, where UV exposure can peak dramatically, especially during midday hours. With the UV Index soaring to 10 as early as 1 PM, staying informed about these levels not only helps in preventing painful sunburns but also promotes healthier skin for all sunseekers.

Hourly UV Index in Mykonos

As the sun rises, the UV Index begins to climb, starting at a mild 1 at 7:00 AM. By 10:00 AM, it reaches a moderate 5, signaling the need for sun protection. The real peak occurs at 1:00 PM, with the index soaring to an intense 10—a critical point where sun safety is paramount. As the afternoon progresses, the UV levels gradually decline, dipping to 8 at 3:00 PM and settling back down to 2 by 6:00 PM. For anyone planning their day, it's essential to stay vigilant during the midday hours when the UV radiation is at its highest, ensuring skin is well-protected against potential damage.

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	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	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 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.

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.
	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
Mykonos	3	5	6	8	9	10	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