Su-ngai Kolok in Winter
In winter (December, January and February), Su-ngai Kolok sees average daytime highs around 29°C and overnight lows near 23°C, with 684 mm of rain over about 61 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 7% of the time across winter, and the air most often feels oppressive.
Winter is Su-ngai Kolok's best season of the year to visit on our travel score. For the whole year in context, see Su-ngai Kolok's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 684 mm
- 61 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.9
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Su-ngai Kolok in Winter
Across winter, daytime highs hold fairly steady around 29°C.
A typical winter day in Su-ngai Kolok reaches about 29°C and drops to 23°C overnight. The warmest of the three months is February, the coolest February.
How winter really feels in Su-ngai Kolok
Once humidity and wind are folded in, winter brings about 70 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.
Su-ngai Kolok 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 | 29° / 22° | 180 | 20.9 | 11.7 | 4.0 |
| Feb | 30° / 22° | 84 | 14 | 11.8 | 4.3 |
| Mar | 31° / 23° | 117 | 15.9 | 12 | 3.7 |
| Apr | 33° / 24° | 121 | 18.2 | 12.1 | 2.8 |
| May | 33° / 25° | 188 | 25.3 | 12.3 | 2.2 |
| Jun | 32° / 24° | 187 | 24.7 | 12.3 | 2.4 |
| Jul | 32° / 24° | 191 | 24.4 | 12.3 | 2.6 |
| Aug | 32° / 24° | 219 | 25.7 | 12.2 | 2.5 |
| Sep | 32° / 24° | 248 | 26.6 | 12 | 2.4 |
| Oct | 31° / 24° | 305 | 28.6 | 11.9 | 2.5 |
| Nov | 30° / 23° | 376 | 27.6 | 11.7 | 2.9 |
| Dec | 29° / 23° | 420 | 25.9 | 11.7 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 7% of the time across winter.
Chance of precipitation in Winter
Su-ngai Kolok gets around 684 mm of rain over 61 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 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 42 min in early December to 11 h 54 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 4.5 kWh/m².
Hazard calendar for Su-ngai Kolok
In winter, Su-ngai Kolok overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Su-ngai Kolok sits in the Pacific typhoon belt; the season peaks July–October.
Su-ngai Kolok's rainy season runs July–December, when most of the year's rain falls.
Is winter a good time to visit Su-ngai Kolok?
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 weaker month for outdoor sightseeing in Su-ngai Kolok.
What to pack for Su-ngai Kolok in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Su-ngai Kolok sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 61 days see rain.
Sea temperature near Su-ngai Kolok 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 42 km away) is warmest in May at about 30°C and coldest in January near 28°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) | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Su-ngai Kolok in Winter
Clear-sky midday UV across winter averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Su-ngai Kolok peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 11 (extreme).
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) | 12 | 14 | 14 | 13 | 13 | 11 | 11 | 13 | 14 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Su-ngai Kolok 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 Su-ngai Kolok is worst in October — around 31 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 24 | 23 | 25 | 28 | 28 | 28 | 30 | 28 | 30 | 31 | 26 | 24 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 23 | Moderate |
| Mar | 25 | Moderate |
| Apr | 28 | Moderate |
| May | 28 | Moderate |
| Jun | 28 | Moderate |
| Jul | 30 | Moderate |
| Aug | 28 | Moderate |
| Sep | 30 | Moderate |
| Oct | 31 | Moderate |
| Nov | 26 | Moderate |
| Dec | 24 | Moderate |
Where is Su-ngai Kolok?
Su-ngai Kolok sits at 6.0°N, 102.0°E, 19 m above sea level, in Thailand. The nearest listed city is Pasir Mas, 19 km away.
Topography around Su-ngai Kolok
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Su-ngai Kolok.
Within 3 km, the terrain around Su-ngai Kolok has only modest variations in elevation — a maximum elevation change of 26 m around an average of 15 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.
The land around Su-ngai Kolok is covered by trees (66%) and artificial surfaces (21%) within 3 km, trees (88%) within 16 km, and trees (69%) and water (25%) 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 Su-ngai Kolok (6.0298°, 101.9659°, elevation 19 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.