Kampong Chhnang weather in December

In December, Kampong Chhnang sees average daytime highs of 32°C and overnight lows near 23°C, with 22 mm of rain across 3.4 wet days and about 11.3 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 27% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Kampong Chhnang's 4th-clearest and 1st-windiest month. For the whole year in context, see Kampong Chhnang's year-round climate.

Daytime high
32°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
22 mm
3.4 wet days
Daylight
11 h 18 min
6:19 AM – 5:36 PM
Cloud cover
60%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
4.75 kWh/m²
Travel score
4.7
out of 10

Kampong Chhnang is city in Cambodia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Kampong Chhnang reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in Kampong Chhnang

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Kampong Chhnang weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°101.811.44.3
Feb34° / 24°91.811.63.4
Mar36° / 26°436.311.92.2
Apr36° / 27°8614.112.31.7
May35° / 27°15122.512.61.6
Jun34° / 26°15823.512.71.9
Jul33° / 26°16625.612.62.1
Aug33° / 26°18626.712.42.0
Sep32° / 26°23426.612.12.2
Oct32° / 25°20922.811.72.8
Nov32° / 24°719.811.44.0
Dec32° / 23°223.411.34.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54456
64456
74555
84555
94456
104456
114456
124555
134555
144654
154654
164753
174753
184852
194951
204951
215050
225050
235149
245149
255149
265149
275248
285347
295347
305446
315446

Chance of precipitation in December

Any precipitation

Kampong Chhnang gets around 22 mm of rain over 3.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
218
317
417
516
616
716
815
915
1014
1114
1213
1313
1412
1512
1611
1711
1810
199
209
218
228
237
247
257
266
276
286
296
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1029324414
2029334313
30210344312
40210354211
50211364110
6021137409
7021238398
8021239398
9021340387
10031440377
11031541366
12031641356
13031741345
14031840335
15041940324
16042140314
17142239304
18152338293
19152538283
20162637283
21162737272
22162837262
23172937242
24173037241
25173137231
26183138221
27183138211
28183139211
29183139211
30183139210
31183139210

Wind in December

Winds average 9 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:11 AM to 6:26 AM, and sunset from 5:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:115:31
211.36:125:31
311.36:125:32
411.36:135:32
511.36:135:32
611.36:145:32
711.36:145:33
811.36:155:33
911.36:155:33
1011.36:165:34
1111.36:165:34
1211.36:175:34
1311.36:175:35
1411.36:185:35
1511.36:185:36
1611.36:195:36
1711.36:195:36
1811.36:205:37
1911.36:205:37
2011.36:215:38
2111.36:215:38
2211.36:225:39
2311.36:225:39
2411.36:235:40
2511.36:235:40
2611.36:245:41
2711.36:245:41
2811.36:255:42
2911.36:255:42
3011.36:255:43
3111.36:265:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.15 kWh/m² in April across the year — December's 4.75 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Kampong Chhnang

In seasonPeak

None of Kampong Chhnang's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kampong Chhnang's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Kampong Chhnang?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.7
Sightseeing
1st-best month of the year
7.3
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Kampong Chhnang for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kampong Chhnang in December

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

In December, Kampong Chhnang sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Kampong Chhnang in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 Kampong Chhnang peaks around August 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 17UV 14Nov 21UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar11Extreme
Apr11Extreme
May10Very high
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Kampong Chhnang in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kampong Chhnang is worst in February — around 42 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (August, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 2042 µg/m³Aug 1617 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb42Poor
Mar41Poor
Apr34Moderate
May23Moderate
Jun19Moderate
Jul19Moderate
Aug17Moderate
Sep19Moderate
Oct21Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Kampong Chhnang?

Kampong Chhnang sits at 12.3°N, 104.7°E, 21 m above sea level, in Cambodia. The nearest listed city is Kampong Thom, 57 km away.

Kampong ThomPhumĭ Véal TônsayChrang Chamreh MuoyPhumĭ TnaôtBoeng Kak PirPhnom PenhDangkaoPursat

Topography around Kampong Chhnang

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

Within 3 km, the terrain around Kampong Chhnang has only modest variations in elevation — a maximum elevation change of 88 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 315 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,795 m.

The land around Kampong Chhnang is covered by cropland (28%), grassland (20%) and artificial surfaces (20%) within 3 km, cropland (45%) and grassland (20%) within 16 km, and cropland (52%) and trees (22%) within 80 km.

3 km
88 m
16 km
315 m
80 km
1,795 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Kampong Thom 57 km · Phumĭ Véal Tônsay 62 km · Chrang Chamreh Muoy 73 km · Phumĭ Tnaôt 78 km · Boeng Kak Pir 79 km · Phnom Penh 81 km · Dangkao 86 km · Pursat 87 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 Kampong Chhnang (12.25°, 104.6667°, elevation 21 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).