The climate across the Peloponnese peninsula (including Patras) is Mediterranean. The summer are generally dry and hot, while the winter experience mild temperatures and a lot of rain.
The hottest months of the year are July and August. Τhe period between June and August are the most crowded, as this time of the year is considered the high-tourist season.
The coldest months of the year are January and February and the rainiest are between November and January