Weather Comparison
Side-by-side weather comparison for December
| Metric | Cancun | Istanbul | Better |
|---|---|---|---|
| Average HighHigher is warmer | 26°C (79°F)▲ | 10°C (50°F) | Cancun |
| Average LowHigher is milder | 23°C (73°F)▲ | 6°C (43°F) | Cancun |
| Rain DaysFewer is drier | 11 days▲ | 13 days | Cancun |
| PrecipitationLess is drier | 53 mm▲ | 99 mm | Cancun |
| Sunshine HoursMore is sunnier | 10h/day▲ | 5h/day | Cancun |
| HumidityLower is more comfortable | 78% | 65%▲ | Istanbul |
| UV IndexLower is safer | 3 | 1▲ | Istanbul |
| Wind SpeedCalmer is better | 19 km/h▲ | 23 km/h | Cancun |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Cancun edges ahead as the better destination in December. Cancun offers 10 hours of daily sunshine with only 11 rain days, while Istanbul sees 5 sunshine hours and 13 rain days.
Cancun sits in the comfortable travel range at 26°C. Istanbul is cooler at 10°C.
For travelers who prioritize dry weather, Cancun is the stronger choice in December. Cancun receives 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Cancun reaches an average high of 26°C (79°F) and drops to 23°C (73°F) at night during December. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.
Istanbul averages 10°C (50°F) for the high and 6°C (43°F) for the low, with a daily range of 4°C. There is a notable 16°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 December.
Cancun receives approximately 53 mm of rainfall across 11 rain days during December. You can expect rain roughly every other day.
Istanbul sees 99 mm over 13 rain days. That makes Cancun the drier option by 2 rain days and 46 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 26°C, lows of 23°C, 11 rain days
Highs of 10°C, lows of 6°C, 13 rain days
Pack for both: waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during December.
The table below shows average high temperatures and rain days for every month. December 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 December
Full forecast, packing tips, and activities
Istanbul Weather in December
Full forecast, packing tips, and activities