When to Khaoyai
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January is one of the best months to visit Khao Yai, with cool, dry weather perfect for all outdoor activities. Morning temperatures can dip to refreshing lows, while days remain comfortable for hiking and wildlife watching. Clear skies and minimal rainfall make this peak season for both domestic and international tourists.
February
February continues the excellent cool-season weather with slightly warming temperatures as the month progresses. Dry conditions persist, making it ideal for camping, hiking, and exploring the park's trails. This remains peak tourist season with clear visibility for scenic viewpoints and wildlife observation.
March
March marks the transition to the hot season with rising temperatures and increasing humidity. While still relatively dry, the heat can make midday hiking challenging, though early morning and late afternoon remain pleasant. Wildlife becomes more active near water sources as temperatures climb.
April
April is the hottest month in Khao Yai with peak temperatures and building humidity signaling the approaching rainy season. Occasional pre-monsoon showers provide brief relief from the heat. Despite the warmth, it's still possible to enjoy the park with proper planning and early starts to beat the afternoon heat.
May
May sees the onset of the rainy season with increasing rainfall and afternoon thunderstorms becoming common. Temperatures remain warm but the rain brings relief from the April heat. The landscape begins its transformation to lush greenery, and waterfalls start flowing more vigorously.
June
June brings consistent monsoon rains with frequent afternoon and evening showers. The park becomes incredibly lush and green, with waterfalls at their most impressive. Morning activities are often still possible before the typical afternoon downpours, and wildlife viewing can be excellent as animals emerge after rains.
July
July continues the rainy season pattern with regular precipitation and overcast skies. The cooler temperatures compared to the hot season make hiking more comfortable when weather permits. This is an excellent time for photography enthusiasts seeking misty, atmospheric landscapes and fewer tourists.
August
August maintains heavy rainfall with the monsoon in full swing. Trails can be muddy and some areas may be temporarily closed due to weather conditions. However, the park's natural beauty is at its peak with busy vegetation, full-flowing waterfalls, and excellent opportunities to see wildlife during rain breaks.
September
September is typically the wettest month in Khao Yai with persistent rainfall and high humidity. While challenging for extensive outdoor activities, this is when the park's ecosystems are most busy. Waterfalls cascade at maximum volume, and the forest is alive with sounds of rain and wildlife.
October
October sees continued rainfall though the intensity begins to decrease toward month's end. The landscape remains lush and green with waterfalls still impressive. As the monsoon wanes, there are increasing windows of clear weather, making it possible to enjoy outdoor activities with proper planning.
November
November marks the transition to the cool, dry season with decreasing rainfall and more comfortable temperatures. The park remains beautifully green from the monsoon rains while conditions improve dramatically for hiking and camping. Tourist numbers begin to increase as word spreads about the improving weather.
December
December brings cool, dry weather with comfortable daytime temperatures and refreshingly cool nights. This is one of the most popular months to visit, with excellent conditions for all activities from wildlife spotting to camping under clear skies. The combination of pleasant weather and year-end holidays brings significant tourist traffic.