Istanbul vs Cancun

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in July. Istanbul offers 14 hours of daily sunshine with only 4 rain days, while Cancun sees 12 sunshine hours and 18 rain days.

Istanbul sits in the comfortable travel range at 28°C. Cancun runs hot at 30°C.

For travelers who prioritize dry weather, Istanbul is the stronger choice in July. Istanbul receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Istanbul reaches an average high of 28°C (82°F) and drops to 21°C (70°F) at night during July. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Cancun averages 30°C (86°F) for the high and 26°C (79°F) for the low, with a daily range of 4°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in July.

Istanbul receives approximately 20 mm of rainfall across 4 rain days during July. Rain is occasional, so a light rain jacket should suffice.

Cancun sees 112 mm over 18 rain days. That makes Istanbul the drier option by 14 rain days and 92 mm of total precipitation.

Humidity also differs: Istanbul averages 65% while Cancun sits at 78%. Cancun will feel muggier, especially at higher temperatures.