Climate
click for a map of Khao Yai National Park The park's altitude ranges from 350m to 1350m at the highest point at Khao Rom. This means that the temperature is generally a little lower than in the plains. In fact, it can be distinctly chilly at night.
Rainy Season: May-October. It does rain most days but there are also long dry spells. This is the best time of year to see the waterfalls.
Cold season: November- February. The weather is sunny and cool. It is the ideal time for hiking.
Hot Season: March-April. The maximum temperature does reach 30°C but the temperature is still comfortably cooler than in the plains. The waterfalls are at their least spectacular.