Bangkok in January
In January, Bangkok has a daily high of 31.9 °C (89.4 °F) and a daily low of 22.1 °C (71.8 °F), as 1991-2020 model estimates; figures in brackets are converted. The daily high is a model estimate, adjusted against station records. There is no data for rain: Not published: the model failed our station test in tropical cities.
Last updated : back, with ERA5-Land model estimates.
Best time to visit Bangkok: January misses our rule: days are 3.9 °C over our 28 °C (model estimates). Expect days that grow by 12 min.
What January is like in Bangkok
- On Children's Day in January, children come to Government House for a turn in the prime minister's chair. Extra electric fans and ice cream are laid on for the young guests. Source: Thai PBS World, checked .
- Classical music rings out in Lumpini Park on Sundays from January. The Royal Bangkok Symphony Orchestra plays at Sala Bhirom Bhakdi, among the park's lush greenery. Source: Royal Bangkok Symphony Orchestra (RBSO), Concert in the Park season 33, checked .
- On New Year's Day, people give alms to dozens of monks at Lan Khon Muang. It is the square at Bangkok City Hall. Source: Bangkok Biznews (Krungthep Turakij), checked .
Key figures
Weather in January, 1991-2020 model estimates
- Daily high
- 31.9 °C (89.4 °F)
- Daily low
- 22.1 °C (71.8 °F)
- Rain
- no data
- Sunshine
- no data
Model estimate 1991-2020, not a weather station: ERA5-Land model estimates (Copernicus), computed by City by Month for the grid cell nearest the city. Daily high: model estimate, adjusted against station records. Licence: CC BY 4.0. Checked . How we make and test model estimates
Model estimate for the ERA5-Land grid cell at 13.7° N, 100.5° E, 6 km from the city centre point.
How we define and convert these figures
Notes. Rain: Not published: the model failed our station test in tropical cities. Sunshine: Not in our ERA5-Land estimates.
Daylight on 15 January 2026
- Sunrise
- 06:45 local time
- Sunset
- 18:09 local time
- Day length
- 11 h 24 min
Day length 1-31 January: 11 h 20 min to 11 h 32 min, +12 min.
Source: NOAA Solar Calculator equations, checked .
Month by month
Each month: daily high in °C, 1991-2020 model estimates. Rain: no data.
ERA5-Land model estimates 1991-2020, as above, checked .
This month against the year
| Measure | January | Rank |
|---|---|---|
| Daily high | 31.9 °C | 4th coldest |
| Daily low | 22.1 °C | 2nd coldest |
| Rain | no data | no data |
| Sunshine | no data | no data |
| Day length | 11 h 24 min | 2nd shortest |
Equal values share a rank. How we rank months
ERA5-Land model estimates 1991-2020, as above, checked .
Day length: NOAA solar equations, checked .
Public holidays this month
| Date | Holiday |
|---|---|
| Thursday | New Year’s Day |
| Friday | Additional special holiday (One-off) |
Typed from the official list and re-checked, .
January 2027: no data. No government list for 2027 yet.
Source: Official public holiday list (soc.go.th), checked ; holidays Python library, checked . Library: holidays 0.105.
Same month in 8 model-estimate cities
Bangkok is warmer than 7 of our 8 model-estimate cities in January by mean daily high. How we rank cities
Closest high and low in January: Mumbai (2.3 °C apart), Sydney (3.5), Melbourne (6.3).
| City | Gap from Bangkok, °C | High, °C | Low, °C | Rain, mm | Sunshine, hours |
|---|---|---|---|---|---|
| Bangkok (this page) | — | 31.9 | 22.1 | no data | no data |
| Mumbai (closest) | 2.3 | 30.4 | 19.0 | no data | no data |
| Sydney (closest) | 3.5 | 27.1 | 19.9 | 76.1 | no data |
| Melbourne (closest) | 6.3 | 26.6 | 14.8 | 52.5 | no data |
| Delhi | 12.6 | 21.0 | 7.8 | no data | no data |
| Lisbon | 14.8 | 14.9 | 9.5 | 66.5 | no data |
| Porto | 16.8 | 14.1 | 6.4 | 133.3 | no data |
| Istanbul | 20.4 | 9.3 | 3.9 | 86.3 | no data |
Sources (1991-2020): ERA5-Land model estimates, checked . Each city's page names its grid cell. All sources in full on Methodology.
Sources
- Attribution: Copernicus Climate Change Service (2025): ERA5 Land hourly time-series data from 1950 to present. Copernicus Climate Change Service (C3S) Climate Data Store (CDS). DOI: 10.24381/ee82e357. Accessed on the check date shown. Generated using or contains modified Copernicus Climate Change Service information 2025. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. Licence: CC BY 4.0. Checked .
- NOAA Solar Calculator equations, computed locally, NOAA Global Monitoring Laboratory (method); City by Month (computation). Attribution: Computed with the NOAA Solar Calculator method (no NOAA endorsement implied). Licence: Method, not data. Checked .
- holidays Python library, run locally. Attribution: holidays library, Vacanza team. Licence: MIT. Checked .
Official sources
- Official public holiday list (soc.go.th). Checked .
Cite this page: City by Month. "Bangkok in January: weather, daylight, holidays". https://citybymonth.com/cities/thailand/bangkok/january/. Last updated 8 November 2026.