Weather Comparison
Side-by-side weather comparison for July
| Metric | Istanbul | Cancun | Better |
|---|---|---|---|
| Average HighHigher is warmer | 28°C (82°F) | 30°C (86°F)▲ | Cancun |
| Average LowHigher is milder | 19°C (66°F) | 26°C (79°F)▲ | Cancun |
| Rain DaysFewer is drier | 1 days▲ | 18 days | Istanbul |
| PrecipitationLess is drier | 15 mm▲ | 112 mm | Istanbul |
| Sunshine HoursMore is sunnier | 7h/day | 12h/day▲ | Cancun |
| HumidityLower is more comfortable | 65%▲ | 78% | Istanbul |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 15 km/h▲ | 16 km/h | Istanbul |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in July. Istanbul offers 7 hours of daily sunshine with only 1 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. Cancun receives 5 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 19°C (66°F) at night during July. The daily temperature range is 9°C, meaning moderate variation throughout the day.
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 15 mm of rainfall across 1 rain days during July. Rain is rare this month, so dry conditions are likely.
Cancun sees 112 mm over 18 rain days. That makes Istanbul the drier option by 17 rain days and 97 mm of total precipitation.
Humidity also differs: Istanbul averages 65% while Cancun sits at 78%. Cancun will feel muggier, especially at higher temperatures.
Highs of 28°C, lows of 19°C, 1 rain days
Highs of 30°C, lows of 26°C, 18 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat. These items are useful in either destination during July.
The table below shows average high temperatures and rain days for every month. July is highlighted for quick reference.
| Month | Istanbul | Cancun | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 16°C | 6d | 25°C | 11d |
| Feb | 19°C | 5d | 26°C | 8d |
| Mar | 22°C | 4d | 27°C | 7d |
| Apr | 26°C | 2d | 28°C | 7d |
| May | 28°C | 1d | 29°C | 14d |
| Jun | 29°C | 1d | 29°C | 19d |
| Jul | 28°C | 1d | 30°C | 18d |
| Aug | 26°C | 2d | 30°C | 21d |
| Sep | 22°C | 4d | 29°C | 24d |
| Oct | 19°C | 5d | 28°C | 21d |
| Nov | 16°C | 6d | 27°C | 12d |
| Dec | 15°C | 7d | 26°C | 11d |
Istanbul Weather in July
Full forecast, packing tips, and activities
Cancun Weather in July
Full forecast, packing tips, and activities