Weather Comparison
Cancun vs Sydney
Side-by-side weather comparison for May
May Weather: Cancun vs Sydney
| Metric | Cancun | Sydney | Better |
|---|---|---|---|
| Average HighHigher is warmer | 29°C (84°F)▲ | 19°C (66°F) | Cancun |
| Average LowHigher is milder | 25°C (77°F)▲ | 12°C (54°F) | Cancun |
| Rain DaysFewer is drier | 14 days | 7 days▲ | Sydney |
| PrecipitationLess is drier | 91 mm | 46 mm▲ | Sydney |
| Sunshine HoursMore is sunnier | 12h/day▲ | 8h/day | Cancun |
| HumidityLower is more comfortable | 78% | 70%▲ | Sydney |
| UV IndexLower is safer | 9 | 2▲ | Sydney |
| Wind SpeedCalmer is better | 19 km/h | 15 km/h▲ | Sydney |
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.
| 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 May
Full forecast, packing tips, and activities
Sydney Weather in May
Full forecast, packing tips, and activities