Cancun vs Sydney

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sydney edges ahead as the better destination in October. Sydney offers 10 hours of daily sunshine with only 8 rain days, while Cancun sees 10 sunshine hours and 21 rain days.

Cancun sits in the comfortable travel range at 28°C. Sydney is also comfortable at 21°C.

For travelers who prioritize dry weather, Sydney is the stronger choice in October.

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.

Sydney averages 21°C (70°F) for the high and 14°C (57°F) for the low, with a daily range of 7°C. There is a notable 7°C gap between the two cities, so expect a very different feel.

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 193 mm of rainfall across 21 rain days during October. Rain is frequent, so waterproof gear is essential.

Sydney sees 51 mm over 8 rain days. That makes Sydney the drier option by 13 rain days and 142 mm of total precipitation.

Humidity also differs: Cancun averages 78% while Sydney sits at 70%. Cancun will feel muggier, especially at higher temperatures.