Weather Comparison
Cancun vs Sydney
Side-by-side weather comparison for August
August Weather: Cancun vs Sydney
| Metric | Cancun | Sydney | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F)▲ | 17°C (63°F) | Cancun |
| Average LowHigher is milder | 26°C (79°F)▲ | 9°C (48°F) | Cancun |
| Rain DaysFewer is drier | 21 days | 5 days▲ | Sydney |
| PrecipitationLess is drier | 146 mm | 37 mm▲ | Sydney |
| Sunshine HoursMore is sunnier | 11h/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▲ | 17 km/h | Cancun |
Which City is Better in August?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sydney edges ahead as the better destination in August. Sydney offers 9 hours of daily sunshine with only 5 rain days, while Cancun sees 11 sunshine hours and 21 rain days.
Cancun can feel quite hot at 30°C, so plan for heat. Sydney is also comfortable at 17°C.
For travelers who prioritize dry weather, Sydney is the stronger choice in August. Cancun receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in August
Cancun reaches an average high of 30°C (86°F) and drops to 26°C (79°F) at night during August. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.
Sydney averages 17°C (63°F) for the high and 9°C (48°F) for the low, with a daily range of 8°C. There is a notable 13°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.
Rainfall Comparison in August
Cancun receives approximately 146 mm of rainfall across 21 rain days during August. Rain is frequent, so waterproof gear is essential.
Sydney sees 37 mm over 5 rain days. That makes Sydney the drier option by 16 rain days and 109 mm of total precipitation.
Humidity also differs: Cancun averages 78% while Sydney sits at 70%. Cancun will feel muggier, especially at higher temperatures.
What to Pack: Cancun vs Sydney
Packing for Cancun in August
Highs of 30°C, lows of 26°C, 21 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Packing for Sydney in August
Highs of 17°C, lows of 9°C, 5 rain days
- ✓warm layers
- ✓a mid-weight jacket
- ✓long trousers
- ✓a packable rain jacket
- ✓an umbrella
Year-Round Comparison: Cancun vs Sydney
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.August 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 August
Full forecast, packing tips, and activities
Sydney Weather in August
Full forecast, packing tips, and activities