Koh Kong in Winter

In winter (December, January and February), Koh Kong sees average daytime highs around 29°C and overnight lows near 24°C, with 116 mm of rain over about 25 wet days across the season. It is the 2nd-warmest season and the driest season of the year.

Across winter, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 35% of the time across winter, and the air most often feels oppressive.

Winter is Koh Kong's best season of the year to visit on our travel score. Koh Kong has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Koh Kong's year-round climate.

Avg daytime high
29°C
2nd-warmest season
Avg overnight low
24°C
Rainfall
116 mm
25 wet days
Avg wind
7 km/h
Travel score
5.5
best season of the year
Months
Dec · Jan · Feb

Temperature in Koh Kong in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 29°C.

A typical winter day in Koh Kong reaches about 29°C and drops to 24°C overnight. The warmest of the three months is December, the coolest January.

20°25°30°35°DecJanFeb

How winter really feels in Koh Kong

Once humidity and wind are folded in, winter brings about 38 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
38
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Koh Kong 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°40811.45.6
Feb29° / 24°4610.111.65.4
Mar30° / 25°10418.411.94.3
Apr30° / 25°14423.112.33.4
May29° / 26°3632912.52.9
Jun29° / 25°51528.912.73.0
Jul28° / 25°61430.112.63.2
Aug28° / 25°59630.312.43.2
Sep28° / 25°52029.312.13.2
Oct29° / 25°31026.711.73.4
Nov30° / 25°8213.911.54.5
Dec30° / 24°316.711.35.4

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Koh Kong gets around 116 mm of rain over 25 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 7 km/h across winter.

051015DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 11 h 24 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 5.3 kWh/m².

0246DecJanFeb
Planning a trip in winter

Hazard calendar for Koh Kong

In seasonPeak

In winter, Koh Kong overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Koh Kong sits in the Pacific typhoon belt; the season peaks July–October.

Koh Kong's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit Koh Kong?

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.

5.5
Sightseeing
1st-best month of the year
7.2
Beach & pool
1st-best month of the year

winter is a reasonable time to visit Koh Kong for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Koh Kong in Winter

From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In winter, Koh Kong sees daytime highs around 29°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Koh Kong in Winter

The nearest coast averages about 29°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Koh Kong in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Koh Kong peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Dec 13UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Koh Kong in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Koh Kong is worst in February — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1523 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb24Moderate
Mar19Moderate
Apr16Moderate
May12Moderate
Jun12Good
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov9Good
Dec11Good
Location & terrain

Where is Koh Kong?

Koh Kong sits at 11.6°N, 103.0°E, 5 m above sea level, in Cambodia. The nearest listed city is Smach Mean Chey, 10 km away.

TratKo ChangLaem NgopKhao SamingSihanoukvilleLaem Sing

Topography around Koh Kong

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koh Kong.

Within 3 km, the terrain around Koh Kong has only modest variations in elevation — a maximum elevation change of 20 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 488 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,727 m.

The land around Koh Kong is covered by water (36%) and grassland (28%) within 3 km, water (40%) and trees (39%) within 16 km, and trees (51%) and water (43%) within 80 km.

3 km
20 m
16 km
488 m
80 km
1,727 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
Winter weather nearby: Smach Mean Chey 10 km · Khlong Yai 21 km · Trat 86 km · Ko Chang 88 km · Laem Ngop 89 km · Khao Saming 102 km · Sihanoukville 127 km · Laem Sing 138 km

Cambodia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / C / G
230 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,872
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
1.8
per 100k, 2011
Road deaths
19.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 390
Religion
Buddhist 97%Muslim 2%other 1%Christian 0%

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 Koh Kong (11.6153°, 102.9838°, elevation 5 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.