Bangkok weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: November – February
What is the weather like in Bangkok in January?
In January, Bangkok is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sun shines for around 7 hours a day. Rain is rare: about 3 days bring 14 mm in total. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Bangkok.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 71 | 69 | 63 |
| Day | 31° | 31° | 32° |
| Night | 22° | 22° | 23° |
| Sun | 7 h | 7 h | 8 h |
| Rain days | 2 | 3 | 4 |
More details for January
- Daylight
- 11 h 24 min06:45 – 18:08
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 18 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 43 %on average
- Hot days
- 23 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %51 %
- Sunshineweight 20 %67 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Bangkok in January: quick answers
Is Bangkok hot in January?
Yes. In January, Bangkok is hot: daytime highs average 31 °C and nights stay around 22 °C. On about 23 days the thermometer climbs to 30 °C or more.
Does it rain much in Bangkok in January?
Rain is rare: about 3 days bring 14 mm in total.
Bangkok month by month
The whole year in BangkokAll destinations: ThailandWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)