UV Index
UV Index
Today's UV index in Heraklion, Greece 
will be up to 8.6, 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: 2025-05-10
With a UV index of 8.6 in Heraklion, 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.
Heraklion usually has a UV index that ranges from moderate to high, especially in the summer months. The UV index often peaks around 8 to 10 during July and August. In winter, it tends to be much lower, often around 2 to 3.
The weather in Heraklion follows a Mediterranean pattern with hot, dry summers and mild, wet winters. Summers are sunny with little rain, while winters see more clouds and occasional rain showers. Spring and autumn are mild and more comfortable for outdoor activities.
Compared to the wider Mediterranean region, Heraklion has warmer winters than northern countries but cooler summers than some southern parts like Crete’s southern coast. Neighboring countries such as Turkey and Italy have similar seasonal patterns but can experience more extreme temperatures.
See the UV index hour by hour for Heraklion, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.