UV Index
UV Index
Today's UV index in Poros, Greece 
will be up to 9.9, 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: 2025-06-26
With a UV index of 9.9 in Poros, 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.
The UV index in Poros, Greece, often reaches high levels, especially during summer months, typically between 7 and 10. This means the sun's rays can be very strong during the day.
Poros experiences hot, dry summers with temperatures often above 30°C (86°F) and mild, wet winters. Spring and autumn are short and pleasant, with moderate temperatures and occasional rain.
Compared to mainland Greece, Poros has a milder coastal climate with more sea breezes. It is warmer and drier than northern Greece but slightly cooler and less humid than some southern Greek islands like Crete.
See the UV index hour by hour for Poros, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.