Cancun vs Sydney

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sydney edges ahead as the better destination in December. Sydney offers 7 hours of daily sunshine with only 6 rain days, while Cancun sees 1 sunshine hours and 6 rain days.

Cancun sits in the comfortable travel range at 28°C. Sydney is also comfortable at 25°C.

For travelers who prioritize dry weather, both cities are equally dry in December. Sydney receives 6 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 21°C (70°F) at night during December. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Sydney averages 25°C (77°F) for the high and 17°C (63°F) for the low, with a daily range of 8°C. The 3°C difference is noticeable but not dramatic.

Cancun is in the Northern Hemisphere while Sydney is in the Southern Hemisphere. This means they experience opposite seasons, which explains any large temperature difference.

Cancun receives approximately 70 mm of rainfall across 6 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Sydney sees 70 mm over 6 rain days. Both cities are equally rainy this month.

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