Best Time to Visit Haikou, Hainan, China
Haikou is at its sunniest and driest in January–December.
The best time to visit Haikou for sunny, dry weather is December–February — 3 months of the year fit our sunny profiles at this specific location. The drier stretch runs through November–May; the wetter half falls in June–October. At the city itself, monthly average temperatures range from 18°C / 64.4°F in January to 29°C / 84.2°F in July, with rainfall from 23 mm / 0.9 in (January) to 272 mm / 10.7 in (August). These are point-value climate normals sampled at Haikou, Hainan, China's coordinates — usually more actionable for travellers than the country-wide average. Haikou's climate is broadly Mediterranean-style. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| January | 18°C64.4°F | 23 mm0.9″ | Sunny & Mild |
| February | 18.9°C66°F | 36 mm1.4″ | Sunny & Mild |
| December | 19.2°C66.6°F | 32 mm1.3″ | Sunny & Mild |
Frequently asked questions
When is the best time to visit Haikou?
The best time to visit Haikou for sunny, dry weather is January, February, December. At the city itself, the warmest month is July averaging 29°C / 84.2°F, and the driest is January with about 23 mm / 0.9 in of rain. These are point-value climate normals sampled at Haikou's coordinates.
When is the rainy season in Haikou?
The rainy season at Haikou, Hainan runs through June–October, when monthly rainfall exceeds the annual median of about 185 mm / 7.3 in. The wettest single month is August (272 mm / 10.7 in).
What is the driest month in Haikou?
The driest month in Haikou is January, averaging about 23 mm / 0.9 in of rainfall. Temperature that month averages 18°C / 64.4°F.
What months should I avoid visiting Haikou?
The least comfortable months for travel to Haikou — based on point-value climate at the city — are January, February, March, June, July, August, December. These are the wettest or coolest months at this location. Rainfall peaks at 272 mm / 10.7 in in August, and the coldest month averages 18°C / 64.4°F.
Is Haikou climate different from China overall?
Yes, usually. Our Haikou figures are point-value climate normals sampled at the city itself, while our China figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Haikou specifically — usually the more actionable data for a traveller planning to spend time in the city.