Wiset Chaichan in Winter
In winter (December, January and February), Wiset Chaichan sees average daytime highs around 33°C and overnight lows near 23°C, with 37 mm of rain over about 8 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 33°C in early December to 36°C by late February. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels oppressive.
Winter is Wiset Chaichan's best season of the year to visit on our travel score. For the whole year in context, see Wiset Chaichan's year-round climate.
- Avg daytime high
- 33°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 37 mm
- 8 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.0
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Wiset Chaichan in Winter
Over the season highs climb from about 33°C in early December to 36°C by late February.
A typical winter day in Wiset Chaichan reaches about 33°C and drops to 23°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Wiset Chaichan
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.
Wiset Chaichan 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 | 33° / 22° | 13 | 2.8 | 11.2 | 4.2 |
| Feb | 35° / 24° | 14 | 3.2 | 11.5 | 3.2 |
| Mar | 36° / 26° | 43 | 7.5 | 11.9 | 2.1 |
| Apr | 37° / 27° | 84 | 13.7 | 12.3 | 1.3 |
| May | 36° / 27° | 154 | 21.1 | 12.7 | 1.4 |
| Jun | 35° / 27° | 129 | 21.6 | 12.8 | 1.6 |
| Jul | 34° / 27° | 134 | 22.6 | 12.8 | 1.9 |
| Aug | 34° / 26° | 157 | 22.9 | 12.5 | 1.9 |
| Sep | 33° / 26° | 253 | 25.2 | 12.1 | 2.0 |
| Oct | 33° / 25° | 168 | 19.3 | 11.7 | 2.8 |
| Nov | 33° / 24° | 35 | 5.9 | 11.3 | 3.8 |
| Dec | 32° / 22° | 10 | 1.7 | 11.2 | 4.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
Wiset Chaichan gets around 37 mm of rain over 8 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 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 12 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 Wiset Chaichan
None of Wiset Chaichan's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Wiset Chaichan's rainy season runs May–October, when most of the year's rain falls.
Is winter a good time to visit Wiset Chaichan?
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 Wiset Chaichan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Wiset Chaichan in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Wiset Chaichan sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.
UV index in Wiset Chaichan 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 Wiset Chaichan peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 8 (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 | 11 | 11 | 12 | 12 | 13 | 12 | 10 | 8 | 8 |
| 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 | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Wiset Chaichan 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 Wiset Chaichan is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 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) | 83 | 81 | 70 | 64 | 54 | 44 | 43 | 43 | 54 | 66 | 67 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 83 | Unhealthy |
| Feb | 81 | Unhealthy |
| Mar | 70 | Unhealthy |
| Apr | 64 | Unhealthy |
| May | 54 | Poor |
| Jun | 44 | Poor |
| Jul | 43 | Poor |
| Aug | 43 | Poor |
| Sep | 54 | Poor |
| Oct | 66 | Unhealthy |
| Nov | 67 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Wiset Chaichan?
Wiset Chaichan sits at 14.6°N, 100.3°E, 12 m above sea level, in Thailand. The nearest listed city is Phak Hai, 16 km away.
Topography around Wiset Chaichan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Wiset Chaichan.
Within 3 km, the terrain around Wiset Chaichan has only modest variations in elevation — a maximum elevation change of 14 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, large variations in elevation — a maximum elevation change of 636 m.
The land around Wiset Chaichan is covered by cropland (57%) and trees (24%) within 3 km, cropland (66%) within 16 km, and cropland (71%) 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 Wiset Chaichan (14.5952°, 100.3381°, elevation 12 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.