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Weather Comparison

Cancun vs Sydney

Side-by-side weather comparison for May

Cancun: 29°CSydney: 19°C14,194 km apart

May Weather: Cancun vs Sydney

MetricCancunSydneyBetter
Average HighHigher is warmer29°C (84°F)19°C (66°F)Cancun
Average LowHigher is milder25°C (77°F)12°C (54°F)Cancun
Rain DaysFewer is drier14 days7 daysSydney
PrecipitationLess is drier91 mm46 mmSydney
Sunshine HoursMore is sunnier12h/day8h/dayCancun
HumidityLower is more comfortable78%70%Sydney
UV IndexLower is safer92Sydney
Wind SpeedCalmer is better19 km/h15 km/hSydney

Which City is Better in May?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sydney edges ahead as the better destination in May. Sydney offers 8 hours of daily sunshine with only 7 rain days, while Cancun sees 12 sunshine hours and 14 rain days.

Cancun can feel quite hot at 29°C, so plan for heat. Sydney is also comfortable at 19°C.

For travelers who prioritize dry weather, Sydney is the stronger choice in May. Cancun receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in May

Cancun reaches an average high of 29°C (84°F) and drops to 25°C (77°F) at night during May. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Sydney averages 19°C (66°F) for the high and 12°C (54°F) for the low, with a daily range of 7°C. There is a notable 10°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 May

Cancun receives approximately 91 mm of rainfall across 14 rain days during May. You can expect rain roughly every other day.

Sydney sees 46 mm over 7 rain days. That makes Sydney the drier option by 7 rain days and 45 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 May

Highs of 29°C, lows of 25°C, 14 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 May

Highs of 19°C, lows of 12°C, 7 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.May 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
29°

Cancun Weather in May

Full forecast, packing tips, and activities

19°

Sydney Weather in May

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Cancun warmer than Sydney in May?
Yes. In May, Cancun is warmer with an average high of 29°C (84°F) compared to Sydney at 19°C (66°F), a difference of 10°C.
Which city gets more rain in May, Cancun or Sydney?
Cancun gets more rain in May with 14 rain days and 91 mm of precipitation. Sydney is the drier option with 7 rain days.
Is it better to visit Cancun or Sydney in May?
It depends on your preferences. Cancun averages 29°C and 12 hours of daily sunshine with 14 rain days. Sydney averages 19°C with 8 sunshine hours and 7 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