Weather Comparison
Guangzhou vs Hong Kong
Side-by-side weather comparison for May
May Weather: Guangzhou vs Hong Kong
| Metric | Guangzhou | Hong Kong | Better |
|---|---|---|---|
| Average HighHigher is warmer | 29°C (84°F)▲ | 28°C (82°F) | Guangzhou |
| Average LowHigher is milder | 23°C (73°F) | 24°C (75°F)▲ | Hong Kong |
| Rain DaysFewer is drier | 22 days | 20 days▲ | Hong Kong |
| PrecipitationLess is drier | 331 mm | 232 mm▲ | Hong Kong |
| Sunshine HoursMore is sunnier | 7h/day | 8h/day▲ | Hong Kong |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 14 km/h▲ | 17 km/h | Guangzhou |
Which City is Better in May?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Hong Kong edges ahead as the better destination in May. Hong Kong offers 8 hours of daily sunshine with only 20 rain days, while Guangzhou sees 7 sunshine hours and 22 rain days.
Guangzhou can feel quite hot at 29°C, so plan for heat. Hong Kong is also comfortable at 28°C.
For travelers who prioritize dry weather, Hong Kong is the stronger choice in May. Hong Kong receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in May
Guangzhou reaches an average high of 29°C (84°F) and drops to 23°C (73°F) at night during May. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Hong Kong averages 28°C (82°F) for the high and 24°C (75°F) for the low, with a daily range of 4°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.
Rainfall Comparison in May
Guangzhou receives approximately 331 mm of rainfall across 22 rain days during May. Rain is frequent, so waterproof gear is essential.
Hong Kong sees 232 mm over 20 rain days. That makes Hong Kong the drier option by 2 rain days and 99 mm of total precipitation.
Both cities share similar humidity levels at 78%.
What to Pack: Guangzhou vs Hong Kong
Packing for Guangzhou in May
Highs of 29°C, lows of 23°C, 22 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Packing for Hong Kong in May
Highs of 28°C, lows of 24°C, 20 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during May.
Year-Round Comparison: Guangzhou vs Hong Kong
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 | Guangzhou | Hong Kong | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 19°C | 7d | 19°C | 4d |
| Feb | 20°C | 10d | 20°C | 6d |
| Mar | 23°C | 15d | 22°C | 10d |
| Apr | 27°C | 18d | 25°C | 14d |
| May | 29°C | 22d | 28°C | 20d |
| Jun | 31°C | 24d | 29°C | 24d |
| Jul | 32°C | 23d | 30°C | 24d |
| Aug | 32°C | 24d | 30°C | 24d |
| Sep | 30°C | 16d | 29°C | 17d |
| Oct | 28°C | 6d | 27°C | 7d |
| Nov | 25°C | 6d | 24°C | 5d |
| Dec | 20°C | 5d | 20°C | 4d |
Guangzhou Weather in May
Full forecast, packing tips, and activities
Hong Kong Weather in May
Full forecast, packing tips, and activities