01Weather
Bangkok weather in December
Afternoons in December average 32.7 °C (91 °F) and nights cool to 24.2 °C (76 °F). Compared with November it is 0.4 °C cooler; January is 0.2 °C warmer again.
What the averages hide
| In a typical December | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 35 °C / 95 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 30 °C / 86 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 22 °C / 71 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 27.6 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Hottest / coldest December day 2016–2025 | 36.8 °C / 17.0 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 December | 06:25 | 17:48 | 11.4 h |
| 15 December | 06:33 | 17:52 | 11.3 h |
| 31 December | 06:41 | 18:00 | 11.3 h |
Daylight shrinks by about 6 minutes over the month. Times are local (Asia/Bangkok).
03Crowds
How busy Bangkok is in December
very busy The main sights are very busy in December. What drives it:
- Father's Day on 5 December
- Christmas and New Year
- best weather, highest rates
05Events
What's on in Bangkok in December
Every year in December
| Event | When | Type |
|---|---|---|
| Father's Day (King Bhumibol's birthday) | 5 December | national |
| New Year countdown | 31 December, ICONSIAM and CentralWorld | seasonal |
07Packing
What to pack for Bangkok in December
- light, breathable clothing
- sun hat and sunscreen
- refillable water bottle
- a compact umbrella for occasional showers
- something for heat: 28 days a month pass 30 °C on average
08Editor's notes
What the numbers don't tell you
December is dry, sunny and busy, with afternoons around 31 °C and mornings that can feel genuinely cool near 21 °C, Father's Day on 5 December with yellow decorations and a public holiday, Christmas decorations in the malls and the New Year countdown at ICONSIAM and CentralWorld. It is peak season with the year's highest rates and full hotels over the holidays. Rain falls on about one day.
Constitution Day on 10 December is a holiday. The Grand Palace runs at capacity between ten and two. The river dinner cruises and the rooftop bars are booked out for New Year's Eve. Smog episodes can begin in late December. For the coolest, driest month with Chinese New Year preparations, see January.
09Compare
Bangkok month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 33 °C | 24 °C | – | – | very busy | Mixed |
| February | 34 °C | 25 °C | – | – | very busy | Mixed |
| March | 35 °C | 27 °C | – | – | busy | Good |
| April | 36 °C | 28 °C | – | – | busy | Good |
| May | 36 °C | 28 °C | 22 | – | moderate | Mixed |
| June | 35 °C | 27 °C | 21 | – | quiet | Mixed |
| July | 34 °C | 26 °C | 22 | – | quiet | Mixed |
| August | 34 °C | 26 °C | 23 | – | moderate | Mixed |
| September | 33 °C | 26 °C | 24 | – | quiet | Mixed |
| October | 33 °C | 26 °C | 22 | – | moderate | Mixed |
| November | 33 °C | 25 °C | – | – | busy | Good |
| December | 33 °C | 24 °C | – | – | very busy | Mixed |
Not sure about December? See the best time to visit Bangkok.
10Elsewhere
December in nearby cities
| City | High | Rain days |
|---|---|---|
| Singapore in December | 31 °C | 16 |
| Shanghai in December | 12 °C | 8 |
| Beijing in December | 5 °C | 1 |
| Seoul in December | 4 °C | 11 |
| Kyoto in December | 12 °C | 7 |
| Tokyo in December | 12 °C | 6 |
11FAQ
Bangkok in December: your questions
Is December a good time to visit Bangkok?
December is a reasonable month with trade-offs to visit Bangkok. Daytime highs average 33 °C (91 °F), and hotel arrivals run above the yearly average, so the main sights are very busy.
What is the weather like in Bangkok in December?
Expect hot days around 33 °C (91 °F) and nights near 24 °C (76 °F). One December in ten brings afternoons above 35 °C, and one in ten stays below 30 °C.
Does it rain a lot in Bangkok in December?
December in Bangkok, by the 1991–2020 station normals.
What should I wear in Bangkok in December?
Pack light, breathable clothing, sun hat and sunscreen, refillable water bottle.
Is Bangkok crowded in December?
The main sights are very busy in December. Main drivers: Father's Day on 5 December; Christmas and New Year; best weather, highest rates.
What time does it get dark in Bangkok in December?
Around the middle of December the sun sets at about 17:52 and rises at 06:33, giving 11.3 hours of daylight.