Pailin weather in December

In December, Pailin sees average daytime highs of 29°C and overnight lows near 20°C, with 13 mm of rain across 2.8 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 35% 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 Pailin's 3rd-clearest and 1st-windiest month. For the whole year in context, see Pailin's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
2nd coldest
Rainfall
13 mm
2.8 wet days
Daylight
11 h 12 min
6:28 AM – 5:43 PM
Cloud cover
54%
3rd clearest
Wind
10 km/h
1st windiest
Solar energy
4.84 kWh/m²
Travel score
6.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Pailin reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°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)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
313020

How December really feels in Pailin

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Pailin weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°284.911.35.7
Feb31° / 21°448.811.64.7
Mar32° / 23°11918.711.93.4
Apr32° / 24°17024.812.32.7
May31° / 24°27629.412.62.5
Jun30° / 24°3262912.72.7
Jul29° / 24°37330.412.72.7
Aug29° / 24°38730.712.42.7
Sep29° / 23°41529.412.12.7
Oct30° / 23°25723.711.73.5
Nov30° / 22°518.711.45.3
Dec29° / 20°132.811.36.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55248
65248
75347
85347
95347
105545
115545
125644
135743
145743
155941
165941
176040
186139
196139
206238
216337
226337
236337
246436
256436
266535
276535
286535
296535
306535
316634

Chance of precipitation in December

Any precipitation

Pailin gets around 13 mm of rain over 2.8 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 9% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
313
413
512
612
712
811
911
1011
1110
1210
1310
1410
159
169
179
189
198
208
217
227
237
246
256
266
276
286
297
307
318

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1041834413
2141934402
3152034382
4152135372
5152135362
6152236352
7162336332
8162337321
9172437301
10172538291
11182538271
12192638261
13292637251
142102636241
152112636241
163122735231
173132734231
183132732231
194142831221
204152830221
214152930220
225162929210
235163028200
245163028200
255163129190
265163128190
275163129190
285163129190
295163130190
305153130190
314143130200

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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
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 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 6:20 AM to 6:35 AM, and sunset from 5:38 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:205:38
211.36:215:38
311.36:215:39
411.36:225:39
511.36:235:39
611.36:235:40
711.36:245:40
811.36:245:40
911.36:255:41
1011.36:255:41
1111.36:265:41
1211.36:265:42
1311.36:275:42
1411.36:275:42
1511.26:285:43
1611.26:285:43
1711.26:295:44
1811.26:295:44
1911.26:305:44
2011.26:305:45
2111.26:315:45
2211.26:315:46
2311.26:325:46
2411.26:325:47
2511.26:335:47
2611.26:335:48
2711.26:335:48
2811.26:345:49
2911.26:345:49
3011.36:355:50
3111.36:355:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.84 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.64 kWh/m² in April across the year — December's 4.84 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
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
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Pailin

In seasonPeak

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

Pailin'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 Pailin?

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

6.3
Sightseeing
1st-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for Pailin in December

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

In December, Pailin sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Pailin 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 Pailin peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 14Nov 23UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Pailin 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 Pailin is worst in February — around 45 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (August, 13 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1444 µg/m³Aug 1913 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb45Poor
Mar32Moderate
Apr22Moderate
May15Moderate
Jun13Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct15Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Pailin?

Pailin sits at 12.8°N, 102.6°E, 201 m above sea level, in Cambodia. The nearest listed city is Khao Saming, 58 km away.

Khao SamingChanthaburiTratBattambangTha MaiLaem SingPhum Ânlŭng VĭlLaem Ngop

Topography around Pailin

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

Within 3 km, the terrain around Pailin has significant variations in elevation — a maximum elevation change of 296 m around an average of 198 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,076 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.

The land around Pailin is covered by cropland (35%), trees (34%) and grassland (22%) within 3 km, trees (54%) and cropland (31%) within 16 km, and trees (49%) and cropland (38%) within 80 km.

3 km
296 m
16 km
1,076 m
80 km
1,595 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Khao Saming 58 km · Chanthaburi 61 km · Trat 68 km · Battambang 70 km · Tha Mai 70 km · Laem Sing 71 km · Phum Ânlŭng Vĭl 73 km · Laem Ngop 79 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 Pailin (12.849°, 102.6093°, elevation 201 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).