UV Index
UV Index
Today's UV index in Mykonos, Greece 
will be up to 8.5, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-01
With a UV index of 8.5 in Mykonos, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Mykonos typically has a UV index ranging from moderate to very high, especially in summer when it can reach levels around 8 to 10. Spring and autumn have lower UV indices, usually between 4 and 7.
The island experiences hot, dry summers with lots of sunshine and mild, wetter winters. Seasonal winds called Meltemi blow in summer, making it cooler and breezier. Spring and fall are pleasant with moderate temperatures and occasional rain.
Compared to mainland Greece, Mykonos is windier and slightly cooler in summer due to the Aegean Sea. Its UV index is similar to other Cyclades islands but higher than northern Greece. Neighboring Turkey’s coastal areas have comparable weather but sometimes more humidity.
See the UV index hour by hour for Mykonos, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.