Gebze, Turkey's climate is characterized by mild winters and warm summers. Winters are cool to cold, with temperatures often below freezing, especially in January and December, but occasional warmer days also occur. Spring brings a gradual warming trend, with April and May experiencing pleasant temperatures around 18-25°C, ideal for outdoor activities. Summers are hot, with July and August being the warmest months, while September sees a slight cooling down as autumn begins. Autumn is generally mild, with October and November having similar temperatures to spring, before the cold winter sets in again.