Istanbul in June experiences a transition from spring to summer, characterized by increasing temperatures, sunny days, and low rainfall. Average daytime highs reach the mid-70s Fahrenheit (low 20s Celsius), while nighttime lows settle in the mid-60s Fahrenheit (high teens Celsius). This period marks the start of the city’s peak tourist season, with warm and generally dry conditions ideal for exploring historical sites and enjoying outdoor activities.
Pleasant temperatures and extended daylight hours make this month particularly appealing for visitors. The relatively dry weather provides comfortable conditions for sightseeing, exploring the city’s bustling markets, or enjoying a Bosphorus cruise. Historically, June has signified the arrival of summer and the beginning of various cultural events and festivals, enhancing the city’s vibrant atmosphere.