Turgutlu's winters are harsh, with temperatures often below freezing and averaging around 9-10°C in January and December. Spring arrives slowly, with April marking a significant warming trend, reaching averages of 15°C. Summer is hot and dry, with July and August seeing the highest temperatures, frequently above 40°C, while May and June are also warm but slightly more temperate. Autumn is mild, with October and November experiencing a gentle decline in temperature before dropping to winter levels again.