Stung Treng weather in December

In December, Stung Treng sees average daytime highs of 32°C and overnight lows near 22°C, with 16 mm of rain across 2.4 wet days and about 11.2 hours of daylight. It is the 7th-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 33% 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 12 min by month's end. Set against the rest of the year, December is Stung Treng's 5th-clearest and 2nd-windiest month. For the whole year in context, see Stung Treng's year-round climate.

Daytime high
32°
7th warmest
Overnight low
22°
2nd coldest
Rainfall
16 mm
2.4 wet days
Daylight
11 h 12 min
6:16 AM – 5:28 PM
Cloud cover
56%
5th clearest
Wind
8 km/h
2nd windiest
Solar energy
4.74 kWh/m²
Travel score
4.8
out of 10

Stung Treng is capital of the same named Cambodian province.

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 Stung Treng 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 29°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
33223
43223
53223
63223
73223
83223
93223
103223
113223
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How December really feels in Stung Treng

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.

Stung Treng weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°50.811.34.4
Feb35° / 24°61.511.53.3
Mar36° / 26°446.211.92.3
Apr35° / 26°981412.32.1
May33° / 26°21524.912.62.1
Jun32° / 25°24525.712.82.4
Jul31° / 25°29327.712.72.5
Aug31° / 25°30828.212.42.5
Sep31° / 25°31927.912.12.5
Oct31° / 24°19120.611.73.3
Nov32° / 23°668.111.44.4
Dec32° / 22°162.411.24.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45248
55248
65248
75248
85248
95248
105248
115248
125248
135347
145347
155347
165347
175347
185347
195347
205446
215347
225347
235446
245347
255347
265446
275545
285446
295545
305644
315743

Chance of precipitation in December

Any precipitation

Stung Treng gets around 16 mm of rain over 2.4 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 8% and peaks near 14% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
114
214
313
413
512
612
711
811
911
1010
1110
1210
139
149
159
168
178
188
197
207
216
226
235
245
254
264
273
283
293
303
313

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021438406
2021539395
3021640384
4021740364
5021841344
6021942333
7032043313
8032144303
9032244282
10032345272
11042445262
12042545242
13052645231
14062744221
15162844201
16172944191
17183043181
18193142171
19193242151
201103341141
211113440131
221123540120
231133639100
24114373890
25115383790
26116383680
27117393670
28117403570
29117403570
30118403460
31118413460

Wind in December

Winds average 8 km/h in December.

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
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 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 shrink by about 6 minutes over December. Sunrise moves from 6:08 AM to 6:23 AM, and sunset from 5:24 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:085:24
211.36:095:24
311.26:095:24
411.26:105:24
511.26:105:25
611.26:115:25
711.26:115:25
811.26:125:26
911.26:125:26
1011.26:135:26
1111.26:135:27
1211.26:145:27
1311.26:155:27
1411.26:155:28
1511.26:165:28
1611.26:165:28
1711.26:175:29
1811.26:175:29
1911.26:185:30
2011.26:185:30
2111.26:195:31
2211.26:195:31
2311.26:205:32
2411.26:205:32
2511.26:205:33
2611.26:215:33
2711.26:215:34
2811.26:225:34
2911.26:225:35
3011.26:235:35
3111.26:235:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.74 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.11 kWh/m² in March across the year — December's 4.74 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
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
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Stung Treng

In seasonPeak

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

Stung Treng sits in the Pacific typhoon belt; the season peaks July–October.

Stung Treng'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 December a good time to visit Stung Treng?

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

4.8
Sightseeing
1st-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Stung Treng in December

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

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

light clothessun protection

UV index in Stung Treng 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 Stung Treng peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 14Dec 11UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar11Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Stung Treng 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 Stung Treng is worst in March — around 88 µg/m³ PM2.5 (unhealthy), about 11.9× the cleanest month (November, 7 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodMar 1087 µg/m³Nov 178 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb85Unhealthy
Mar88Unhealthy
Apr42Poor
May18Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov7Good
Dec10Good
Location & terrain

Where is Stung Treng?

Stung Treng sits at 13.5°N, 106.0°E, 55 m above sea level, in Cambodia. The nearest listed city is Lumphat, 109 km away.

LumphatTbeng MeancheyBanlungKratiePreaek PrasabKampong ThomChampasakPhumĭ Tnaôt

Topography around Stung Treng

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

Within 3 km, the terrain around Stung Treng has only modest variations in elevation — a maximum elevation change of 45 m around an average of 56 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, large variations in elevation — a maximum elevation change of 639 m.

The land around Stung Treng is covered by grassland (30%), water (26%) and trees (25%) within 3 km, trees (39%) and grassland (37%) within 16 km, and trees (71%) within 80 km.

3 km
45 m
16 km
119 m
80 km
639 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Lumphat 109 km · Tbeng Meanchey 111 km · Banlung 113 km · Kratie 116 km · Preaek Prasab 131 km · Kampong Thom 148 km · Champasak 152 km · Phumĭ Tnaôt 165 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 Stung Treng (13.5259°, 105.9683°, elevation 55 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).