The weather in Greece in August is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
There shouldn't be any rainy days in in Greece during August. Having said that, the days are very hot in August so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Greece in August 2025.
If you’re planning to visit Greece in the near future, we highly recommend that you review the 14 day weather forecast for Greece before you arrive.