SeasonScore
Khon Kaen, Thailand
Photo: P.khiao · CC BY-SA 4.0

Thailand

Khon Kaen in December

🌤️ Cool season

Warm and mostly dry.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: Dec (9.3), Jan (9.0), Feb (8.9)

‹
Every month at a glanceTap a month to open it
›

Why December scores 9.3What goes into the score

How it works
🌡️ 30° / 18°C🌧️ 5 mm💧 dew pt 16°🍃 PM2.5 11
  • Weather comfort9.4
    • ✓Warm (30°C highs / 18°C lows)
    • ✓Slightly humid (dew point 15.7°C)
    • ✓Mostly dry (~5 mm rain)
  • Air quality9.1
    • ✓Good (within WHO guideline) (PM2.5 ~11 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut December side by side with another month
DecJan
Score9.3 Excellent9.0 Excellent
Season🌤️ Cool season🌤️ Cool season
High / low30° / 18°31° / 18°
Rain5 mm6 mm
Humiditydew pt 16°dew pt 14°
PM2.511 µg/m³20 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Khon Kaen weather-station normals. Rainfall: Khon Kaen weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • HM King Bhumibol Adulyadej the Great's Birthday 5–7 Dec · 3 days off in a row
  • New Year 31 Dec – 3 Jan · 4 days off in a row

Other public holidays: Constitution Day (10 Dec)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Khon KaenEvents, sights, food & souvenirs

Check event dates locally

Khon Kaen is a university and business city in central Isan, known for silk weaving, Isan food and a nearby dinosaur fossil site.

Events in December
Silk Festival and Phuk Siao FestivalDate variesUsually late November to early December

A festival celebrating local silk and the Isan custom of phuk siao (friendship-binding), with silk markets and parades.

Why go: One of the best times to see and buy local silk.

Where: City centre, near the provincial hall

Coming up later

Songkran (Thai New Year)Every year13-15 April every year

Khon Kaen's Songkran is known for its large street celebration on Khao Niao (Sticky Rice) Road.

Why go: Very crowded and wet; plan around road closures in the centre.

Where: Khao Niao Road and city centre

Plan this tripTickets, data and transfers for Khon Kaen

Airport transfer Kiwitaxi

Partner links: we may earn a small commission at no extra cost to you. It never affects scores.