Skip to content

Weather Comparison

Cancun vs Sydney

Side-by-side weather comparison for August

Cancun: 30°CSydney: 17°C14,194 km apart

August Weather: Cancun vs Sydney

MetricCancunSydneyBetter
Average HighHigher is warmer30°C (86°F)17°C (63°F)Cancun
Average LowHigher is milder26°C (79°F)9°C (48°F)Cancun
Rain DaysFewer is drier21 days5 daysSydney
PrecipitationLess is drier146 mm37 mmSydney
Sunshine HoursMore is sunnier11h/day9h/dayCancun
HumidityLower is more comfortable78%70%Sydney
UV IndexLower is safer92Sydney
Wind SpeedCalmer is better16 km/h17 km/hCancun

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.

MonthCancunSydney
HighRainHighRain
Jan25°C11d26°C9d
Feb26°C8d25°C10d
Mar27°C7d24°C10d
Apr28°C7d21°C8d
May29°C14d19°C7d
Jun29°C19d16°C8d
Jul30°C18d16°C6d
Aug30°C21d17°C5d
Sep29°C24d19°C6d
Oct28°C21d21°C8d
Nov27°C12d23°C9d
Dec26°C11d24°C9d
30°

Cancun Weather in August

Full forecast, packing tips, and activities

17°

Sydney Weather in August

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Cancun warmer than Sydney in August?
Yes. In August, Cancun is warmer with an average high of 30°C (86°F) compared to Sydney at 17°C (63°F), a difference of 13°C.
Which city gets more rain in August, Cancun or Sydney?
Cancun gets more rain in August with 21 rain days and 146 mm of precipitation. Sydney is the drier option with 5 rain days.
Is it better to visit Cancun or Sydney in August?
It depends on your preferences. Cancun averages 30°C and 11 hours of daily sunshine with 21 rain days. Sydney averages 17°C with 9 sunshine hours and 5 rain days. If you prefer warmer weather, choose Cancun. For fewer rain days, Sydney is the better pick.
How far apart are Cancun and Sydney?
Cancun and Sydney are approximately 14,194 km (8,814 miles) apart. Cancun is located in Mexico (North America) while Sydney is in Australia (Oceania).
What is the best month to visit Cancun and Sydney?
For Cancun, May tends to be the best month with 12 hours of daily sunshine and a high of 29°C. For Sydney, January is typically ideal with 11 sunshine hours and 26°C highs.

Compare Cancun and Sydney in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Cancun coordinates: 21.16°N, -86.85°E | Sydney coordinates: -33.87°N, 151.21°E