Bangkok in December
In December, Bangkok averages 31°C (88°F) during the day and 21°C (70°F) at night, with only about 1 rainy day.
High seasonConditions are warm and beach-friendly. Skies are generally dry and clear.
December in Bangkok is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How December compares to the rest of the year in Bangkok
December is one of the coolest months in Bangkok (12th of 12) and one of the driest months (12th of 12). Daytime temperature runs 2°C below the annual average (33°C). December runs 1°C cooler than November (32°C) and warms a further 1°C into January (32°C).
December sunrise & sunset in Bangkok
Times shown for Bangkok local time (Asia/Bangkok), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Bangkok — December
Golden-hour and blue-hour windows for the 15th of December, in Bangkok's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bangkok in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (High season) and Bangkok's popularity.
Crowds & pricing — December in Bangkok
This is a busy month in Bangkok — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Christmas / New Year travel surge
Sun & mosquito risk — December in Bangkok
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Bangkok in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 22°C / 72°F | 13 mm | 1 | — |
| February | 33°C / 91°F | 24°C / 75°F | 20 mm | 2 | — |
| March | 35°C / 95°F | 26°C / 79°F | 35 mm | 4 | — |
| April | 36°C / 97°F | 27°C / 81°F | 81 mm | 6 | — |
| May | 34°C / 93°F | 26°C / 79°F | 198 mm | 14 | — |
| June | 33°C / 91°F | 26°C / 79°F | 175 mm | 15 | — |
| July | 33°C / 91°F | 26°C / 79°F | 173 mm | 15 | — |
| August | 32°C / 90°F | 25°C / 77°F | 185 mm | 16 | — |
| September | 32°C / 90°F | 25°C / 77°F | 333 mm | 18 | — |
| October | 32°C / 90°F | 25°C / 77°F | 290 mm | 16 | — |
| November | 32°C / 90°F | 23°C / 73°F | 51 mm | 5 | — |
| December | 31°C / 88°F | 21°C / 70°F | 8 mm | 1 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Bangkok in December →
Frequently asked questions
How hot is Bangkok in December?
In December, Bangkok averages a high of 31°C (88°F) and a low of 21°C (70°F) — generally hot.
Does it rain a lot in Bangkok in December?
December is generally dry in Bangkok, with about 1 rainy day on average.
Is December a good time to visit Bangkok?
December is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bangkok in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full December packing list for Bangkok for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.