Last updated: August 27, 2025
July in Istanbul, Turkey offers a delightful summer experience, with maximum temperatures soaring up to 33°C (92°F) and an average of 24°C (76°F), creating an inviting atmosphere for exploration. While the minimum temperature dips to a comfortable 18°C (65°F), visitors can expect humidity levels around 63%, adding to the balmy climate. Throughout the month, precipitation totals 53 mm (2.1 in) spread over approximately 5 days, ensuring that brief showers provide a refreshing break from the heat. Overall, July presents a vibrant blend of warm sun and occasional rain, perfect for enjoying the rich history and stunning landscapes of this iconic city.
In Istanbul during July, the weather reaches its sizzling peak, showcasing a delightful warmth that draws visitors and locals alike to enjoy the city’s vibrant atmosphere. With minimum temperatures averaging around 18°C (65°F) and maximums soaring to a balmy 33°C (92°F), the summer sun casts a golden glow over the bustling streets and historic sites. The average temperature of 24°C (76°F) offers a perfect backdrop for exploring the city's rich culture, from the majestic Hagia Sophia to the lively bazaars. This month not only marks the height of summer but also sets the tone for the warm, sun-drenched days that define Istanbul's Mediterranean charm, leaving lasting memories for all who wander through its enchanting landscapes.
In July, Istanbul experiences a moderate level of precipitation, accumulating 53 mm (2.1 in) over just 5 days—a noticeable contrast to the heavier rains seen in earlier months. This slight increase in rainfall from June, which recorded only 40 mm (1.6 in), suggests a transitional phase as the summer heats up. As the city basks in sunshine, the relatively low number of rainy days in July signifies a brief reprieve, paving the way for the even drier conditions of August, where rainfall plummets to just 18 mm (0.7 in) across only 3 days. Thus, July serves as a pivotal month, showcasing a balance between warm summer days and sporadic, refreshing rain—an appealing combination for both locals and visitors alike.
In Istanbul, Turkey, the humidity levels experience a notable decline as summer progresses, hitting a low of 63% in July. This dip follows a gradual drop from the high percentages characteristic of the winter months, where humidity averages around 84% from January to February. As spring arrives, the figures begin to decrease steadily, reaching 70% in June before the summer heat takes hold. The trend continues with August witnessing an even lower humidity level of 55%, making the peak summer months particularly comfortable in comparison to the rest of the year. Following a brief respite, humidity begins to creep back up in the fall, illustrating Istanbul's transition from the dry warmth of summer to the wetter conditions of autumn.
In July, Istanbul experiences a very high UV Index of 9, indicating that sun exposure should be approached with caution. This month falls right after the peak in June, where the UV Index reaches 10, and remains consistent with August, also at 9. With a burn time of just 15 minutes, it's crucial to take protective measures, such as applying sunscreen and wearing protective clothing, to avoid skin damage. As we look back at the data, we notice a steady climb from January's moderate value of 3 to the very high levels in mid-summer, highlighting the need for vigilance regarding sun safety during these sun-drenched months. For more insights on UV levels, be sure to check out Istanbul UV Index.
UV Risk Categories
As July unfolds in Istanbul, the city basks in a radiant 428 hours of sunshine, marking it as the peak of summer brilliance. This surge in sunlight follows a steady ascent from the cooler months, where January's mere 159 hours feels like a distant memory. With each passing month, the lengthening days invite locals and tourists alike to enjoy outdoor adventures, from exploring historical sites to leisurely strolls along the Bosphorus. While June and August still boast significant sunshine with 411 and 399 hours respectively, it’s July that truly captivates with maximum warmth and brightness, setting the perfect backdrop for summer festivities. As the season transitions towards autumn, the daylight hours gradually recede, yet the glow of Istanbul remains an enduring charm throughout the year.
In July, Istanbul basks in the warm glow of sunshine, boasting a 79% chance of clear, sunny days. This peak in solar abundance follows a steady climb from the earlier months, where the probability of sun begins at a modest 27% in January and gradually increases through the spring. By the time summer arrives, the city transitions into a sun-soaked paradise, with August even edging higher at 82%. As summer continues, the likelihood of sunny weather significantly outweighs the lesser percentages seen in the cooler months, making July an ideal time to explore Istanbul’s vibrant streets and stunning vistas.
In July, Istanbul enjoys approximately 14 hours of daylight, making it one of the sunniest months of the year. This extended daylight is a continuation of the trend from the previous month, June, which boasted 15 hours. Following a gradual increase from just 9 hours in January to a peak in June, the daylight hours begin to taper off slightly in August as they drop to 13 hours. This rhythm reflects the city's transition through summer, where the longer, sunlit days encourage outdoor activities and vibrant city life, before the gradual onset of shorter days in the fall. Whether you’re exploring historic sites or enjoying the local cuisine, July’s generous daylight fosters a lively atmosphere that epitomizes Istanbul in full summer bloom.
In July, Istanbul experiences a gentle breeze, with an average wind speed of 4.4 m/s (10 mph), consistent with the winds of August. This mild airflow marks a slight rebound from the summer's calmer June, where winds eased to 3.0 m/s (7 mph). As the city basks in warm temperatures, this refreshing gust becomes a welcome respite amidst the heat. Interestingly, the wind speed is noticeably higher as the seasons shift towards autumn, peaking in October and December at 5.2 m/s (12 mph). Overall, July and August serve as transitional months where the air is neither too still nor overly blustery, encapsulating the serene yet vibrant atmosphere of Istanbul in the height of summer.
Weather in Istanbul varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Istanbul, focusing on differences in temperature, rainfall, humidity, and UV levels.
In contrast to January's chilly embrace, July offers a warm and inviting climate, characterized by average temperatures ranging from 18°C (65°F) to a peak of 33°C (92°F). With only 53 mm (2.1 in) of precipitation over just 5 days, July tends to be relatively dry, boasting a humidity level of 63%. Conversely, January presents a stark difference, with average temperatures between -3°C (27°F) and 16°C (62°F) and considerably more rainfall, accumulating 102 mm (4.0 in) over 13 days. The winter month also experiences higher humidity at 84%, creating a damp and cool atmosphere. For more specific details about January weather in Istanbul, you can visit this link: Istanbul weather in January.
July and February present a stark contrast in weather conditions. In July, temperatures range from a minimum of 18°C (65°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F), allowing for warm and enjoyable summer days. This month experiences moderate rainfall of 53 mm (2.1 in) over about 5 days, and the humidity stands at a comfortable 63%. Conversely, February features much cooler temperatures, with lows dipping to -1°C (31°F) and highs reaching only 17°C (62°F), averaging around 8°C (46°F). This winter month is wetter, receiving 66 mm (2.6 in) of precipitation across 12 days, accompanied by higher humidity levels at 84%. For more detailed insights on February weather, check out Istanbul weather in February.
In comparing the weather between July and March, it's clear that these months showcase stark differences. July boasts a milder climate with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (92°F), along with relatively low precipitation of 53 mm (2.1 in) over just 5 days and a humidity level of 63%. In contrast, March presents a much cooler atmosphere, with temperatures averaging between -2°C (29°F) and 18°C (65°F). This month experiences higher precipitation at 82 mm (3.2 in) spread over 12 days and more humidity at 83%. For a detailed look at Istanbul's weather in March, you can check Istanbul weather in March.
In comparing the weather of July and April, July is decidedly warmer, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (92°F). In contrast, April experiences much cooler temperatures, averaging between 4°C (40°F) and 23°C (73°F). While July has slightly higher precipitation at 53 mm (2.1 in) over 5 days, April sees similar rainfall of 49 mm (1.9 in) but over a longer duration of 8 days. Additionally, July's humidity level of 63% is lower than April's higher humidity of 76%, making the latter feel more oppressive despite the cooler temperatures. For a deeper look at the weather nuances in April, you can check Istanbul weather in April.
In comparing the weather between May and July, we see a distinct increase in temperature and a shift in humidity levels. July boasts a minimum temperature of 18°C (65°F) and an average of 24°C (76°F), reaching highs of 33°C (92°F). In contrast, May features cooler conditions, with temperatures ranging from a minimum of 8°C (46°F) to an average of 17°C (63°F), peaking at 27°C (82°F). Additionally, July experiences less precipitation, totaling 53 mm (2.1 in) over 5 days, while May sees slightly less rain at 50 mm (2.0 in) spread over 8 days. Notably, the humidity in July averages at 63%, significantly lower than May's higher humidity level of 77%. For more details on this month's weather, check out Istanbul weather in May.
In comparing the weather between June and July, July tends to be warmer with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (92°F), while June has a lower average range of 13°C (56°F) to 30°C (86°F). July also sees a slightly higher average humidity level at 63%, compared to June's 70%. However, June experiences more days of precipitation, with rain falling on 7 days and a total of 40 mm (1.6 in), whereas July has precipitation on only 5 days, totaling 53 mm (2.1 in). For more detailed information, you can check out the Istanbul weather in June.
In July, the weather in Istanbul is characterized by warm temperatures, with a minimum of 18°C (65°F) and an average of 24°C (76°F), peaking at 33°C (92°F). With 53 mm of precipitation over five days and a humidity level of 63%, the month tends to feel quite muggy. In contrast, August brings slightly warmer temperatures, with a minimum of 19°C (66°F), an average of 25°C (77°F), and a maximum of 34°C (93°F). Notably, August sees significantly less rainfall, with only 18 mm recorded over three days, and the humidity decreases to 55%, creating a more comfortable atmosphere. For more details on what to expect, check Istanbul weather in August.
In July, the weather is generally warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 5 days, coupled with a humidity level of 63%.
In contrast, September brings slightly cooler conditions, with temperatures dropping to a minimum of 13°C (57°F) and an average of 22°C (72°F), while the maximum reaches 32°C (90°F). Precipitation in September is lower, at around 36 mm (1.4 in) over 6 days, and the humidity is marginally lower at 60%. Overall, September exhibits a transitionary climate with a more comfortable atmosphere compared to the heat of July. For more insight into the weather conditions, you can check Istanbul weather in September.
July and October present notably different weather patterns. In July, temperatures are warmer, with minimums around 18°C (65°F) and maximums reaching up to 33°C (92°F), making it a peak summer month with a moderate humidity of 63%. Precipitation is relatively low, occurring on just 5 days with a total of 53 mm (2.1 in).
In contrast, October experiences cooler temperatures, with minimums dropping to 10°C (50°F) and maximums peaking at 28°C (82°F). This month also sees slightly higher precipitation, with 56 mm (2.2 in) over 8 days, and increased humidity at 73%. For more details, you can check Istanbul weather in October.
In July, the weather is warm, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (92°F), averaging around 24°C (76°F). While there is some precipitation, totaling 53 mm (2.1 in) over about 5 days, humidity levels are relatively comfortable at 63%. In contrast, November brings a much cooler climate, with temperatures dropping significantly, showing a minimum of 7°C (44°F) and averaging 14°C (57°F), peaking at 22°C (72°F). This month also sees increased precipitation, with 63 mm (2.5 in) spread over 10 days, and higher humidity at 82%. For more detailed information, you can check Istanbul weather in November.
July and December present stark contrasts in weather conditions. In July, temperatures soar, with a minimum of 18°C (65°F) and an average high reaching 33°C (92°F), making it a warm month with low precipitation of 53 mm (2.1 in) over just 5 days. Humidity sits at a moderate 63%. Conversely, December brings a much chillier climate, with temperatures dropping to a minimum of 1°C (34°F) and an average high of only 18°C (64°F). This month experiences nearly double the rainfall at 108 mm (4.2 in) over 15 days, along with increased humidity of 85%. For more details, you can visit Istanbul weather in December.
As July settles in, Istanbul experiences a vibrant blend of warmth and humidity, making it distinct from the cooler months of spring and autumn. With average temperatures reaching a pleasant 24°C (76°F) and peaks soaring to 33°C (92°F), the city invites both locals and tourists to explore its historic streets and sun-kissed shores. Despite occasional rainfall—typically just five days throughout the month—**July stands out with a relatively low precipitation level of 53 mm (2.1 in), allowing for ample time to enjoy outdoor festivities. The city’s 63% humidity creates a comfortable atmosphere, making it a perfect time for enjoying Istanbul's lively culture and breathtaking views. For more insights into how July fits into the broader landscape, check out Istanbul Climate.