Whether you're visiting Khao Yai National Park in Thailand during the peak of April (32°C (90°F)) or the cooler months around December (28°C (82°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Mu Si, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Khao Yai National Park, particularly in Mu Si, temperatures are consistently high throughout the year, with average maximum temperatures always above 28°C (82°F).
The peak heat season generally takes place in March, April and May.
Precipitation in Khao Yai National Park varies considerably throughout the year. The wettest conditions occur in September with 405 mm (16 in) of rain, while December stays relatively dry with 15 mm (0.6 in). The region experiences its rainy season during May, June, July, August, September and October, when monthly rainfall can range from 230 mm (9.1 in) to 405 mm (16 in). The driest conditions can be found during December, with rainfall staying below 15 mm (0.6 in).
