If you planning to travel to Agios Ioannis Beach, Sithonia, Greece, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 5:16 AM. The temperature feels like 57.650000000000006 with a humidity level of 85 so dress accordingly. Cloud coverage is 20 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 3:05 PM.