Thailand
Bangkok in December: weather & travel advice
This month's data profile
Strong month under the current formula
Bangkok in December is climatically well suited to family holidays and city breaks. The average daily high is around 31 °C. With about 2 rainy days it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
74/100 · #1
Warmth
#9
Dryness
#1
Sun
#11
Published best categories: Overall, City break, Active, Family
Bangkok · DecemberPhoto: Supanut Arunoprayote · CC BY 4.0Climate facts
- Average high
- 31 °C
- Average low
- 20 °C
- Rainy days (est.)
- 2 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 71 %
For your trip planning
December: the driest month, less hot than January
December is the driest month in our Bangkok series and belongs to the best months overall. Compared with November, precipitation falls sharply while average daily highs are similar and lows are cooler. January is hotter by day but also dry. Estimated sun hours are the same in all three months. Sun protection remains sensible for longer city walks.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 30 | 22 | 7 | 40 | 6.2 | 81 | 1.6 | 69 |
| December (selected) | 31 | 20 | 2 | 7 | 6.1 | 71 | 1.9 | 74 |
| January | 33 | 20 | 2 | 12 | 6.3 | 63 | 1.7 | 66 |
How do the previous and next months compare?
Baseline: December (74/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | -5 | -0.5 °C | +2 °C | +5.7 | +32.2 mm | +0.1 h | +9.3 % | -0.2 m/s |
| January | -8 | +2.5 °C | +0.9 °C | +0.7 | +4.3 mm | +0.2 h | -8 % | -0.1 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Bangkok in December?
The average daily high is around 31 °C, with an average daily low of about 20 °C.
Does it rain a lot in Bangkok in December?
The curated estimate is about 2 rainy days per month, not a directly measured long-term average. Total precipitation averages around 7 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Bangkok?
By the climate score, January, February, November and December are the strongest months for Bangkok. December is one of them.