Ayvalik's winters are mild, with temperatures rarely dropping below freezing and averaging around 10-11°C. Spring brings a gradual warming trend, with April and May being the warmest months of the season, often reaching highs of 29-32°C. Summer is hot and dry, with July and August typically seeing temperatures peak at around 40°C, while September marks the beginning of a cooling trend. Autumn is characterized by mild days and cooler nights, with October and November experiencing average highs in the mid-teens to low twenties. Winters are once again cool but not cold, with December's temperatures dipping back down into single digits.