Weather Comparison
Side-by-side weather comparison for October
| Metric | Cancun | Istanbul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 28°C (82°F)▲ | 19°C (66°F) | Cancun |
| Average LowHigher is milder | 25°C (77°F)▲ | 14°C (57°F) | Cancun |
| Rain DaysFewer is drier | 21 days | 9 days▲ | Istanbul |
| PrecipitationLess is drier | 193 mm | 78 mm▲ | Istanbul |
| Sunshine HoursMore is sunnier | 10h/day▲ | 8h/day | Cancun |
| HumidityLower is more comfortable | 78% | 65%▲ | Istanbul |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 18 km/h▲ | 21 km/h | Cancun |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in October. Istanbul offers 8 hours of daily sunshine with only 9 rain days, while Cancun sees 10 sunshine hours and 21 rain days.
Cancun sits in the comfortable travel range at 28°C. Istanbul is also comfortable at 19°C.
For travelers who prioritize dry weather, Istanbul is the stronger choice in October. Cancun receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Cancun reaches an average high of 28°C (82°F) and drops to 25°C (77°F) at night during October. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.
Istanbul averages 19°C (66°F) for the high and 14°C (57°F) for the low, with a daily range of 5°C. There is a notable 9°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in October.
Cancun receives approximately 193 mm of rainfall across 21 rain days during October. Rain is frequent, so waterproof gear is essential.
Istanbul sees 78 mm over 9 rain days. That makes Istanbul the drier option by 12 rain days and 115 mm of total precipitation.
Humidity also differs: Cancun averages 78% while Istanbul sits at 65%. Cancun will feel muggier, especially at higher temperatures.
Highs of 28°C, lows of 25°C, 21 rain days
Highs of 19°C, lows of 14°C, 9 rain days
The table below shows average high temperatures and rain days for every month. October is highlighted for quick reference.
| Month | Cancun | Istanbul | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 25°C | 11d | 8°C | 13d |
| Feb | 26°C | 8d | 9°C | 12d |
| Mar | 27°C | 7d | 11°C | 11d |
| Apr | 28°C | 7d | 15°C | 8d |
| May | 29°C | 14d | 20°C | 6d |
| Jun | 29°C | 19d | 25°C | 6d |
| Jul | 30°C | 18d | 28°C | 4d |
| Aug | 30°C | 21d | 28°C | 3d |
| Sep | 29°C | 24d | 24°C | 7d |
| Oct | 28°C | 21d | 19°C | 9d |
| Nov | 27°C | 12d | 14°C | 10d |
| Dec | 26°C | 11d | 10°C | 13d |
Cancun Weather in October
Full forecast, packing tips, and activities
Istanbul Weather in October
Full forecast, packing tips, and activities