Bang Na in Winter
In winter (December, January and February), Bang Na sees average daytime highs around 32°C and overnight lows near 23°C, with 43 mm of rain over about 9 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels oppressive.
Winter is Bang Na's best season of the year to visit on our travel score. For the whole year in context, see Bang Na's year-round climate.
- Avg daytime high
- 32°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 43 mm
- 9 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Bang Na in Winter
Across winter, daytime highs hold fairly steady around 32°C.
A typical winter day in Bang Na reaches about 32°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
How winter really feels in Bang Na
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bang Na weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 22° | 17 | 3.6 | 11.3 | 5.0 |
| Feb | 33° / 24° | 16 | 3.6 | 11.5 | 4.4 |
| Mar | 34° / 26° | 49 | 8.4 | 11.9 | 3.3 |
| Apr | 35° / 27° | 81 | 12.9 | 12.3 | 2.4 |
| May | 34° / 27° | 150 | 22.2 | 12.6 | 2.0 |
| Jun | 33° / 27° | 141 | 23 | 12.8 | 2.1 |
| Jul | 33° / 27° | 154 | 24.4 | 12.7 | 2.2 |
| Aug | 33° / 27° | 165 | 25.1 | 12.5 | 2.2 |
| Sep | 32° / 26° | 254 | 26.2 | 12.1 | 2.2 |
| Oct | 32° / 25° | 183 | 20.3 | 11.7 | 3.0 |
| Nov | 32° / 24° | 39 | 6.5 | 11.4 | 4.3 |
| Dec | 31° / 22° | 10 | 2 | 11.2 | 5.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
Bang Na gets around 43 mm of rain over 9 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 18 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.1 kWh/m².
Hazard calendar for Bang Na
In winter, Bang Na overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Bang Na sits in the Pacific typhoon belt; the season peaks July–October.
Bang Na's monsoon runs May–October, when most of the year's rain falls.
Is winter a good time to visit Bang Na?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Bang Na for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Bang Na in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bang Na sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 9 days see rain.
Sea temperature near Bang Na in Winter
The nearest coast averages about 28°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 km away) is warmest in May at about 31°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Bang Na in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bang Na peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 9 | 12 | 12 | 10 | 12 | 12 | 13 | 12 | 9 | 9 | 9 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 9 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Bang Na in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Bang Na is worst in January — around 114 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 46 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 114 | 97 | 69 | 62 | 54 | 46 | 47 | 46 | 60 | 87 | 101 | 102 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 114 | Unhealthy |
| Feb | 97 | Unhealthy |
| Mar | 69 | Unhealthy |
| Apr | 62 | Unhealthy |
| May | 54 | Poor |
| Jun | 46 | Poor |
| Jul | 47 | Poor |
| Aug | 46 | Poor |
| Sep | 60 | Unhealthy |
| Oct | 87 | Unhealthy |
| Nov | 101 | Unhealthy |
| Dec | 102 | Unhealthy |
Where is Bang Na?
Bang Na sits at 13.7°N, 100.6°E, 6 m above sea level, in Thailand. The nearest listed city is Phra Khanong, 6.0 km away.
Topography around Bang Na
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bang Na.
Within 3 km, the terrain around Bang Na has only modest variations in elevation — a maximum elevation change of 21 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.
The land around Bang Na is covered by artificial surfaces (76%) within 3 km, artificial surfaces (62%) within 16 km, and water (30%), cropland (28%) and trees (20%) within 80 km.
Thailand travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B / C
- 230 V · 50 Hz
- Prices
- ≈ 31% of US
- price level, 2025
- GDP per capita
- $8,057
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Homicide rate
- 4.8
- per 100k, 2011
- Road deaths
- 32.2
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 402
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bang Na (13.6674°, 100.6421°, elevation 6 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.