Sisophon weather in December

In December, Sisophon sees average daytime highs of 32°C and overnight lows near 22°C, with 10 mm of rain across 2.2 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 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 Sisophon's 4th-clearest and 3rd-windiest month. For the whole year in context, see Sisophon's year-round climate.

Daytime high
32°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
10 mm
2.2 wet days
Daylight
11 h 12 min
6:28 AM – 5:40 PM
Cloud cover
54%
4th clearest
Wind
10 km/h
3rd windiest
Solar energy
4.75 kWh/m²
Travel score
4.9
out of 10

Sisophon 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 Sisophon 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 35°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
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221
313221

How December really feels in Sisophon

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.

Sisophon 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° / 22°101.811.34.3
Feb35° / 23°163.411.53.1
Mar36° / 25°549.611.91.9
Apr36° / 26°10216.312.31.5
May35° / 27°15122.912.61.6
Jun34° / 26°13621.712.82.0
Jul33° / 26°15224.812.72.1
Aug33° / 26°16825.612.52.1
Sep32° / 25°23826.412.12.2
Oct32° / 25°19421.511.73.0
Nov32° / 23°437.211.44.3
Dec32° / 22°102.211.24.9

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 24% of December, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55248
65248
75149
85248
95248
105347
115347
125347
135446
145545
155545
165545
175644
185842
195941
205941
216040
226139
236139
246337
256337
266337
276436
286436
296535
306436
316436

Chance of precipitation in December

Any precipitation

Sisophon gets around 10 mm of rain over 2.2 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 7% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
112
211
311
410
510
610
79
89
99
109
118
128
138
147
157
167
177
187
196
206
216
226
235
245
255
264
274
284
294
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 58% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141838327
2151839316
3151939306
4152039295
5162040294
6162140284
7172240273
8182240263
9182340253
10192340242
111102440232
122112439222
132122438212
142132538202
153142537202
163152536191
174162536191
184172535181
195172534171
205182634161
215192633151
226192733151
236202832141
246202932130
256202932120
266203032110
276193133110
286193233110
296183233100
305183333110
315173433110

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 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
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:20 AM to 6:35 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)
111.36:205:36
211.36:215:36
311.26:215:36
411.26:225:36
511.26:225:37
611.26:235:37
711.26:235:37
811.26:245:37
911.26:255:38
1011.26:255:38
1111.26:265:38
1211.26:265:39
1311.26:275:39
1411.26:275:40
1511.26:285:40
1611.26:285:40
1711.26:295:41
1811.26:295:41
1911.26:305:42
2011.26:305:42
2111.26:315:43
2211.26:315:43
2311.26:325:43
2411.26:325:44
2511.26:335:44
2611.26:335:45
2711.26:335:45
2811.26:345:46
2911.26:345:46
3011.26:355:47
3111.26:355:48

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 4.53 kWh/m² to a high of 6.02 kWh/m² in April across the year — December's 4.75 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
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Sisophon

In seasonPeak

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

Sisophon'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 Sisophon?

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

4.9
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

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

What to pack for Sisophon in December

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

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

light clothessun protection

UV index in Sisophon 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 Sisophon 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 Sisophon 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 Sisophon 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 Sisophon?

Sisophon sits at 13.6°N, 103.0°E, 19 m above sea level, in Cambodia. The nearest listed city is Ou Bei Choan, 33 km away.

Ou Bei ChoanPoipetAranyaprathetBattambangPhum Ânlŭng VĭlYeangWang Nam YenSamraong

Topography around Sisophon

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

Within 3 km, the terrain around Sisophon has only modest variations in elevation — a maximum elevation change of 134 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, large variations in elevation — a maximum elevation change of 619 m.

The land around Sisophon is covered by cropland (33%) and artificial surfaces (25%) within 3 km, cropland (86%) within 16 km, and cropland (75%) within 80 km.

3 km
134 m
16 km
140 m
80 km
619 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Ou Bei Choan 33 km · Poipet 45 km · Aranyaprathet 52 km · Battambang 59 km · Phum Ânlŭng Vĭl 63 km · Yeang 69 km · Wang Nam Yen 86 km · Samraong 89 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 Sisophon (13.5859°, 102.9737°, elevation 19 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).