Hainan Weather & Climate: Best Time to Visit
The temperature in Hainan, China, can vary quite a bit throughout the year, with conditions ranging from pleasant in the warmest months to cool during the cooler months. Rainfall levels are neither high nor low, falling within a moderate range. Hainan is China’s southernmost province, known for its tropical beaches, coconut palms, and resort cities like Sanya. This makes it a popular getaway for sun-seekers. Let's now guide you through the climate details for a complete overview.
Monthly Temperature in Hainan
Visitors to Hainan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 11°C (52°F) in July to around -14°C (7°F) during January.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hainan
Generally, Hainan experiences moderate precipitation patterns, averaging 507 mm (20 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives high rainfall, averaging 111 mm (4.4 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month December brings less snowfall, with 3.8 mm (0.1 in) over a single snowy day. For more details, please visit our Hainan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Hainan 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Hainan
During April, May and October, Hainan experiences its most favorable weather, with temperatures between 12°C (53°F) and 16°C (62°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 22 mm (0.9 in) and 46 mm (1.8 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.