Haikou weather
Best months for weather: Feb–Apr, Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Haikou, Yunnan, China.
Best Time to Visit
Peak season Feb–Apr, NovOff season Jun–Aug
Haikou weather by month
When is the best time to visit Haikou?
Based on weather alone, the best time to visit Haikou is Feb–Apr, Nov, according to NASA's 2001–2025 climate averages. Jun–Aug tends to be the least pleasant. Average highs run from 14°C (58°F) in December to 26°C (79°F) in June.
What is the rainiest month in Haikou?
July is the wettest month, with about 177 mm (7.0 in) of rain on average. February is the driest, with about 8 mm (0.3 in).
What is the hottest month in Haikou?
June is the warmest, with average highs of 26°C (79°F) and lows of 15°C (60°F). December is the coolest, with highs of 14°C (58°F) and lows of 2°C (35°F).
Does Haikou have a rainy season?
Yes. Jul–Aug is the rainy season (150 mm or more a month), while Nov–Apr is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months