Weather Comparison
Side-by-side weather comparison for July
| Metric | Cancun | Sydney | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F)▲ | 16°C (61°F) | Cancun |
| Average LowHigher is milder | 26°C (79°F)▲ | 9°C (48°F) | Cancun |
| Rain DaysFewer is drier | 18 days | 6 days▲ | Sydney |
| PrecipitationLess is drier | 112 mm | 36 mm▲ | Sydney |
| Sunshine HoursMore is sunnier | 12h/day▲ | 9h/day | Cancun |
| HumidityLower is more comfortable | 78% | 70%▲ | Sydney |
| UV IndexLower is safer | 9 | 2▲ | Sydney |
| Wind SpeedCalmer is better | 16 km/h | 15 km/h▲ | Sydney |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sydney edges ahead as the better destination in July. Sydney offers 9 hours of daily sunshine with only 6 rain days, while Cancun sees 12 sunshine hours and 18 rain days.
Cancun can feel quite hot at 30°C, so plan for heat. Sydney is also comfortable at 16°C.
For travelers who prioritize dry weather, Sydney is the stronger choice in July. Cancun receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Cancun reaches an average high of 30°C (86°F) and drops to 26°C (79°F) at night during July. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Sydney averages 16°C (61°F) for the high and 9°C (48°F) for the low, with a daily range of 7°C. There is a notable 14°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 112 mm of rainfall across 18 rain days during July. Rain is frequent, so waterproof gear is essential.
Sydney sees 36 mm over 6 rain days. That makes Sydney the drier option by 12 rain days and 76 mm of total precipitation.
Humidity also differs: Cancun averages 78% while Sydney sits at 70%. Cancun will feel muggier, especially at higher temperatures.
Highs of 30°C, lows of 26°C, 18 rain days
Highs of 16°C, lows of 9°C, 6 rain days
The table below shows average high temperatures and rain days for every month. July is highlighted for quick reference.
| Month | Cancun | Sydney | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 25°C | 11d | 26°C | 9d |
| Feb | 26°C | 8d | 25°C | 10d |
| Mar | 27°C | 7d | 24°C | 10d |
| Apr | 28°C | 7d | 21°C | 8d |
| May | 29°C | 14d | 19°C | 7d |
| Jun | 29°C | 19d | 16°C | 8d |
| Jul | 30°C | 18d | 16°C | 6d |
| Aug | 30°C | 21d | 17°C | 5d |
| Sep | 29°C | 24d | 19°C | 6d |
| Oct | 28°C | 21d | 21°C | 8d |
| Nov | 27°C | 12d | 23°C | 9d |
| Dec | 26°C | 11d | 24°C | 9d |
Cancun Weather in July
Full forecast, packing tips, and activities
Sydney Weather in July
Full forecast, packing tips, and activities