SeasonMapKhao Sok (Khao Sok National Park) weather in December
Thailand
December in Khao Sok: sweltering, rainy, with clean air — fine if you can take sticky heat.
#2 of 12 months in Khao Sok · #739 of 1383 destinations to visit in December · comfort 69/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Khao Sok in December
Khao Sok's forum calls December squarely in the dry season, which runs through to April — regulars staying in the park's treehouses report warm days in the high 20s to low 30s°C and mild nights in the low-to-mid 20s. It's a genuinely humid rainforest even in the drier months, so don't expect crisp, dry air — just a lot less rain than the wet season that runs mid-April to early December.
Add your own note from Khao Sok's card on the map.
Khao Sok climate normals — December
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 121 mm / 4.8 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9 h/day | |
| Daylight | 11.6 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Khao Sok in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyDry season on the lake, school holidays in 5 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Khao Sok's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherKhao Sok's weather peaks December–February, best around January.
December includes Morning mist on Cheow Lan.
Best weatherFair weatherToughest weather
What's on in Khao Sok in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Morning mist on Cheow Lan
1 Nov – 15 Feb · usuallyFog seasonCold air off the water leaves the karst standing in cloud until the sun clears it, usually before nine. It is the reason people get up at five on the raft houses.
- Season
Dry season on the lake
15 Dec – 30 Apr · usuallyCrowdedThe trails are firm, the longtails run to the far arms of Cheow Lan every day and the raft houses are booked out. Warm nights on the water and no leeches on the walk in.
Nearby, and something's on
Within 300 km of Khao Sok — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Khao Sok?
Khao Sok in December — FAQ
- Is December a good time to visit Khao Sok?
- December in Khao Sok: sweltering, rainy, with clean air — fine if you can take sticky heat. It ranks #2 of 12 months for Khao Sok on SeasonMap's comfort score (69/100).
- What is the weather like in Khao Sok in December?
- In December, Khao Sok averages a daily high of 29.5°C and a low of 22.8°C, with about 120.8 mm of rain over roughly 14.6 rainy days.
- What is the air quality in Khao Sok in December?
- Khao Sok has a mean US Air Quality Index of about 37 in December.
Other months in Khao Sok
Compare Khao Sok in December
Warmer or cooler than Khao Sok in December
Similar destinations in Southeast Asia — December
Within 300 km: Khao Lak's Dry season, calm Andaman around 1 Nov – 20 Apr, and Krabi's Dry season, flat Andaman around 1 Nov – 20 Apr.