Chrang Chamreh Muoy weather in December

In December, Chrang Chamreh Muoy sees average daytime highs of 31°C and overnight lows near 23°C, with 24 mm of rain across 4.5 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 31°C through the month. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Chrang Chamreh Muoy's 4th-clearest and 1st-windiest month. For the whole year in context, see Chrang Chamreh Muoy's year-round climate.

Daytime high
31°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
24 mm
4.5 wet days
Daylight
11 h 18 min
6:17 AM – 5:36 PM
Cloud cover
61%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
4.82 kWh/m²
Travel score
4.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Chrang Chamreh Muoy reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93124
103124
113124
123124
133124
143124
153124
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263223
273223
283223
293223
303223
313223

How December really feels in Chrang Chamreh Muoy

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.

Chrang Chamreh Muoy 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
Jan32° / 23°122.611.44.5
Feb34° / 24°81.811.63.7
Mar35° / 26°38611.92.6
Apr36° / 27°8114.412.31.9
May35° / 27°15122.312.51.7
Jun34° / 26°15123.512.71.9
Jul33° / 26°14925.112.62.1
Aug33° / 26°17525.812.42.1
Sep32° / 26°24526.712.12.1
Oct32° / 25°22823.811.72.7
Nov32° / 25°7410.611.54.0
Dec31° / 23°244.511.34.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44555
54555
64555
74555
84456
94456
104456
114555
124555
134555
144555
154555
164555
174555
184555
194555
204654
214654
224753
234753
244852
254852
264951
274852
284951
295050
305149
315248

Chance of precipitation in December

Any precipitation

Chrang Chamreh Muoy gets around 24 mm of rain over 4.5 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 15% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
122
222
321
421
520
620
720
819
919
1018
1117
1217
1316
1415
1515
1614
1714
1813
1913
2012
2111
2211
2310
2410
2510
269
279
289
299
309
318

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10110274616
20110284615
30110294514
40111304413
50211314313
60212324312
70212334211
80212344110
90213354010
10021436399
11021436398
12021537388
13021637377
14031737367
15131837366
16131936356
17142036345
18142135345
19142235335
20152335334
21152434324
22162434313
23162535303
24172535302
25172635292
26182536282
27182536281
28182537281
29182537281
30182538281
31182538281

Wind in December

Winds average 10 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 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 shrink by about 6 minutes over December. Sunrise moves from 6:09 AM to 6:24 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)
111.46:095:31
211.46:105:31
311.46:105:32
411.46:115:32
511.36:115:32
611.36:125:33
711.36:125:33
811.36:135:33
911.36:135:34
1011.36:145:34
1111.36:145:34
1211.36:155:35
1311.36:155:35
1411.36:165:35
1511.36:165:36
1611.36:175:36
1711.36:175:37
1811.36:185:37
1911.36:185:38
2011.36:195:38
2111.36:195:38
2211.36:205:39
2311.36:205:39
2411.36:215:40
2511.36:215:40
2611.36:225:41
2711.36:225:41
2811.36:235:42
2911.36:235:42
3011.36:235:43
3111.36:245:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.82 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.17 kWh/m² in March across the year — December's 4.82 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Chrang Chamreh Muoy

In seasonPeak

In December, Chrang Chamreh Muoy sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Chrang Chamreh Muoy sits in the Pacific typhoon belt; the season peaks July–October.

Chrang Chamreh Muoy's rainy season runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Chrang Chamreh Muoy?

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
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Chrang Chamreh Muoy in December

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

In December, Chrang Chamreh Muoy sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Chrang Chamreh Muoy 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 Chrang Chamreh Muoy peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 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 14Nov 19UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Chrang Chamreh Muoy 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 Chrang Chamreh Muoy 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 Chrang Chamreh Muoy?

Chrang Chamreh Muoy sits at 11.6°N, 104.9°E, 11 m above sea level, in Cambodia. The nearest listed city is Boeng Kak Pir, 6.0 km away.

Phumĭ Véal TônsayKandoengPhumĭ Yoŭl ToŭngKampong Speu

Topography around Chrang Chamreh Muoy

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chrang Chamreh Muoy.

Within 3 km, the terrain around Chrang Chamreh Muoy has only modest variations in elevation — a maximum elevation change of 17 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,384 m.

The land around Chrang Chamreh Muoy is covered by artificial surfaces (33%) and grassland (22%) within 3 km, cropland (25%) and artificial surfaces (22%) within 16 km, and cropland (68%) within 80 km.

3 km
17 m
16 km
147 m
80 km
1,384 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Boeng Kak Pir 6.0 km · Phnom Penh 8.0 km · Dangkao 14 km · Ta Khmau 18 km · Phumĭ Véal Tônsay 34 km · Kandoeng 38 km · Phumĭ Yoŭl Toŭng 42 km · Kampong Speu 44 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 Chrang Chamreh Muoy (11.6305°, 104.8854°, elevation 11 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).