Ou Bei Choan weather in December

In December, Ou Bei Choan sees average daytime highs of 32°C and overnight lows near 22°C, with 7 mm of rain across 1.7 wet days and about 11.2 hours of daylight. It is the 12th-warmest and 12th-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 37% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Ou Bei Choan's 4th-clearest and 1st-windiest month. For the whole year in context, see Ou Bei Choan's year-round climate.

Daytime high
32°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
7 mm
1.7 wet days
Daylight
11 h 12 min
6:29 AM – 5:41 PM
Cloud cover
52%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
4.76 kWh/m²
Travel score
5.1
out of 10

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 Ou Bei Choan reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°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)
13223
23223
33222
43222
53222
63222
73222
83222
93222
103222
113222
123122
133122
143122
153122
163121
173121
183121
193121
203121
213121
223121
233121
243121
253121
263121
273221
283221
293221
303221
313221

How December really feels in Ou Bei Choan

Once humidity and wind are folded in, December averages 21 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
21
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.

Ou Bei Choan weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°91.811.34.6
Feb34° / 23°143.111.53.4
Mar36° / 25°428.411.92.1
Apr36° / 26°8014.512.31.6
May35° / 26°13322.312.61.7
Jun34° / 26°12722.212.82.1
Jul33° / 26°14925.112.72.3
Aug32° / 25°16525.112.52.4
Sep32° / 25°22925.112.12.4
Oct32° / 25°1621911.73.3
Nov32° / 23°345.811.44.4
Dec32° / 22°71.711.25.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35545
45545
55545
65545
75545
85545
95545
105644
115644
125842
135842
145941
155941
166040
176040
186238
196238
206238
216436
226436
236436
246535
256535
266535
276634
286634
296634
306535
316634

Chance of precipitation in December

Any precipitation

Ou Bei Choan gets around 7 mm of rain over 1.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
27
37
47
57
67
77
87
97
107
117
126
136
146
156
166
175
185
195
205
215
225
234
244
254
263
273
283
293
304
314

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1162041284
2162041274
3172142263
4172242253
5182242252
6182342242
7192441232
8192541222
91102641211
102112740201
112112739191
122122739191
133132838181
143142837171
154152836170
165162835160
175162835160
186172834150
197182833150
207182832140
218192832130
228202831130
238202931120
249202931110
259213031100
269213031100
27821313190
28821313190
29820323190
30720333290
31720333190

Wind in December

Winds average 11 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 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 6:21 AM to 6:36 AM, and sunset from 5:36 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:215:36
211.26:225:36
311.26:235:37
411.26:235:37
511.26:245:37
611.26:245:37
711.26:255:38
811.26:255:38
911.26:265:38
1011.26:265:39
1111.26:275:39
1211.26:275:39
1311.26:285:40
1411.26:285:40
1511.26:295:41
1611.26:295:41
1711.26:305:41
1811.26:305:42
1911.26:315:42
2011.26:315:43
2111.26:325:43
2211.26:325:44
2311.26:335:44
2411.26:335:45
2511.26:345:45
2611.26:345:46
2711.26:355:46
2811.26:355:47
2911.26:355:47
3011.26:365:48
3111.26:365:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.76 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.04 kWh/m² in April across the year — December's 4.76 kWh/m² falls in the middle.

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
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in December

Hazard calendar for Ou Bei Choan

In seasonPeak

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

Ou Bei Choan's monsoon runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Ou Bei Choan?

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

5.1
Sightseeing
1st-best month of the year
7.8
Beach & pool
1st-best month of the year

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

What to pack for Ou Bei Choan in December

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

In December, Ou Bei Choan sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Ou Bei Choan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ou Bei Choan peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 15UV 14Nov 22UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Ou Bei Choan 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 Ou Bei Choan is worst in February — around 38 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (June, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1538 µg/m³Jun 1716 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb38Poor
Mar34Moderate
Apr25Moderate
May17Moderate
Jun15Moderate
Jul17Moderate
Aug16Moderate
Sep18Moderate
Oct20Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Ou Bei Choan?

Ou Bei Choan sits at 13.8°N, 102.7°E, 41 m above sea level, in Cambodia. The nearest listed city is Poipet, 23 km away.

SisophonWang Nam YenSa KaeoBattambangPhum Ânlŭng VĭlSamraong

Topography around Ou Bei Choan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ou Bei Choan.

Within 3 km, the terrain around Ou Bei Choan has only modest variations in elevation — a maximum elevation change of 18 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, large variations in elevation — a maximum elevation change of 835 m.

The land around Ou Bei Choan is covered by cropland (71%) within 3 km, cropland (80%) within 16 km, and cropland (67%) and trees (28%) within 80 km.

3 km
18 m
16 km
165 m
80 km
835 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Poipet 23 km · Aranyaprathet 27 km · Sisophon 33 km · Wang Nam Yen 67 km · Sa Kaeo 72 km · Battambang 90 km · Phum Ânlŭng Vĭl 94 km · Samraong 96 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 Ou Bei Choan (13.7736°, 102.7373°, elevation 41 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).