Worst Times to Visit GreeceThere's no bad time to visit Greece. However, July and August can be uncomfortably hot and humid — especially in Athens — with temperatures often soaring above 86 degrees Fahrenheit.
Is Greece still nice in October?
Average daily temperaturesIt's pretty mild at this time of year, but it's a good idea to bring along a jumper or light jacket for the evenings. The average daily maximum is 22 C and the average daily minimum is 8 C.