December · Thailand
Best time to visit Kanchanaburi in December Weather, crowds & prices
Weather in Kanchanaburi in December
Average temperature 23°C, 4 mm of rain, about 19 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.4/10
Ranked #2 of 12 months
- Avg temp
- 23°C
- Rainfall
- 4 mm
- Humidity
- 79%
- Days with 6h+ sun
- 19
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Kanchanaburi scores 8.4/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 23°C, 4 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Kanchanaburi's river, wartime bridge and waterfalls sit west of Bangkok near the Myanmar border.
December in Kanchanaburi — reliably good (2nd best month)
Trail conditions at 23°C (74°F) favour early starts and shaded routes in December; midday is for water breaks, not for exposed climbs.
At just 4 mm for the month, rain will not shape your plans; you get about 19 days with 6+ hours of sunshine and 11.2 hours of daylight.
That is 8.4/10 on the same scale — 2nd of 12 months, versus 8.4/10 for the best month here.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Kanchanaburi in December?
- In December, Kanchanaburi averages 23°C, 4 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is December a good time to visit Kanchanaburi?
- December earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kanchanaburi in December?
- Expect about 4 mm of rain in December. Average humidity is 79% and there are about 19 days with 6+ hours of sunshine.
Curated in Kanchanaburi
Tickets & experiences
Things to do in Kanchanaburi
Kanchanaburi, Thailand. Live activities and tours from GetYourGuide, matched to this destination.