Haikou in May
7.2out of 10
Possible, with caveats
Warm and comfortable: highs around 25°C. Frequent rain: about 13 rainy days.
25°CAvg high
16°CAvg low
13Rainy days (109 mm)
13:12 hDaylight
06:30Sunrise · 19:42 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Frequent rain: about 13 rainy days
- Rain varies a lot between years (±4.7 days)
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 16°C | 5°C | 27 mm | 4 | – | – | 7.5 |
| February | 18°C | 6°C | 21 mm | 4 | – | – | 8.0 |
| March | 22°C | 10°C | 29 mm | 5 | – | – | 8.3 |
| April | 24°C | 13°C | 46 mm | 8 | – | – | 8.1 |
| May | 25°C | 16°C | 109 mm | 13 | – | – | 7.2 |
| June | 25°C | 18°C | 215 mm | 22 | – | – | 6.1 |
| July | 24°C | 18°C | 256 mm | 26 | – | – | 6.1 |
| August | 24°C | 17°C | 233 mm | 25 | – | – | 6.1 |
| September | 23°C | 16°C | 146 mm | 20 | – | – | 6.1 |
| October | 21°C | 13°C | 88 mm | 14 | – | – | 7.0 |
| November | 18°C | 9°C | 26 mm | 4 | – | – | 7.9 |
| December | 15°C | 5°C | 16 mm | 3 | – | – | 7.6 |
Frequently asked questions
How hot is Haikou in May?
Daytime highs average 25°C and nights about 16°C.
When is the best time to visit Haikou?
The best months are March, April, February, November.