Bangkok weather in January
In January, Bangkok has an average high of 33 °C91 °F and an average low of 20 °C68 °F, with about 17 mm0.7 in of precipitation. It is the 10th warmest month of the year and ranks 10th for precipitation.
How January compares with other months
Compared with December, January is 1.3 °C2.3 °F warmer on average and wetter by 7 mm0.3 in. Compared with February, January is 2.6 °C4.7 °F cooler on average. Daylight lasts about 11.4 hours around the middle of the month. Average relative humidity is 64% and the average cloud amount 40%.
Is January a good time to visit Bangkok?
January is not among the most comfortable months by our comfort score: it is hot (average high 33 °C91 °F). The most comfortable months in Bangkok are November and December.
What to wear in January
For Bangkok in January, pack very light, breathable clothing, a sun hat and plenty of water.
January in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Bangkok | 3391 | 2068 | 170.7 |
| Samut Prakan | 3189 | 2271 | 210.8 |
| Khlong Luang | 3391 | 2068 | 170.7 |
| Nakhon Pathom | 3391 | 2068 | 140.6 |
| Ban I Chang | 3289 | 2169 | 190.7 |
| Chon Buri | 3289 | 2068 | 200.8 |
| Si Racha | 2983 | 2576 | 261.0 |
| Pattaya | 2983 | 2576 | 261.0 |
| Kanchanaburi | 3289 | 2067 | 120.5 |
Other months in Bangkok
- January33 °C91 °F / 20 °C68 °F
- February35 °C95 °F / 22 °C72 °F
- March36 °C97 °F / 24 °C76 °F
- April36 °C97 °F / 25 °C78 °F
- May33 °C92 °F / 25 °C78 °F
- June32 °C89 °F / 25 °C77 °F
- July31 °C88 °F / 24 °C75 °F
- August31 °C88 °F / 24 °C75 °F
- September30 °C87 °F / 24 °C75 °F
- October30 °C86 °F / 24 °C74 °F
- November30 °C86 °F / 21 °C71 °F
- December31 °C87 °F / 19 °C67 °F
Frequently asked questions
How warm is Bangkok in January?
In January the average high in Bangkok is 33 °C (91 °F) and the average low is 20 °C (68 °F).
Does it rain a lot in Bangkok in January?
On average about 17 mm (0.7 in) of precipitation falls in January; it ranks 10th of the 12 months.
Is January the warmest month in Bangkok?
No. The warmest month in Bangkok is March, with an average high of 36 °C (97 °F). The coldest month is December, with an average low of 19 °C (67 °F).
How long is the day in Bangkok in January?
In the middle of January the day in Bangkok lasts about 11.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Bangkok in January?
The average relative humidity in January is about 64%. This is a long-term average for the whole day.
How cloudy is Bangkok in January?
On average about 40% of the sky is covered by cloud in January. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.