Climate
Khao Yai has three main seasons, with an annual mean temperature of 23 ° C, though this varies greatly with the seasons.
Rainy Season: May-October. During this season, it rains most days, resulting in stunning waterfalls. The atmosphere is humid, with average daytime temperatures of 27° C, In the humidity, flora and fauna flourish, whilst after the rain there is clean air and clear visibility (great for photograph!).
Cold season: November- February. This is the most popular time to visit Khao Yai, as clear, sunny and cool weather are ideal for hiking and nice sunsets are common. The days average around 22° C, while the nights can drop to 10° C.
Hot Season: March-April Even in the hot season, Khao Yai does not experience of heat felt elsewhere in the country. Daytime temperatures reach between a high 20° C, to a low 30° C, During this season it is dry and often windy. Waterfalls can be dry by April.