Phumĭ Véal Tônsay weather in December

In December, Phumĭ Véal Tônsay sees average daytime highs of 31°C and overnight lows near 23°C, with 22 mm of rain across 4 wet days and about 11.3 hours of daylight. It is the 10th-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 27% of the time in December, and the air most often feels muggy.

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 Phumĭ Véal Tônsay's 4th-clearest and 1st-windiest month. For the whole year in context, see Phumĭ Véal Tônsay's year-round climate.

Daytime high
31°
10th warmest
Overnight low
23°
2nd coldest
Rainfall
22 mm
4 wet days
Daylight
11 h 18 min
6:18 AM – 5:37 PM
Cloud cover
61%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
4.84 kWh/m²
Travel score
4.8
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 Phumĭ Véal Tônsay reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°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
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253222
263222
273222
283222
293222
303222
313222

How December really feels in Phumĭ Véal Tônsay

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.

Phumĭ Véal Tônsay weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°122.511.44.3
Feb34° / 24°81.711.63.5
Mar36° / 25°427.111.92.3
Apr36° / 26°7914.712.31.7
May35° / 26°13722.512.51.6
Jun34° / 26°13023.712.71.9
Jul33° / 25°13124.812.62.1
Aug33° / 25°1512512.42.2
Sep32° / 25°22126.712.12.2
Oct31° / 24°21123.911.72.9
Nov31° / 24°6610.311.54.1
Dec31° / 23°22411.34.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34654
44555
54555
64456
74357
84357
94357
104357
114258
124258
134258
144159
154258
164258
174357
184357
194456
204456
214555
224555
234555
244753
254753
264852
274852
284951
295149
305149
315248

Chance of precipitation in December

Any precipitation

Phumĭ Véal Tônsay gets around 22 mm of rain over 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 13% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
120
220
319
419
518
618
717
817
916
1016
1115
1215
1314
1413
1513
1612
1712
1812
1911
2011
2110
2210
239
249
259
268
278
288
298
307
317

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 68% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021236446
2021337435
3021338415
4021439404
5031540394
6031541383
7031642373
8031743352
9031744342
10031844332
11031944321
12042044311
13042144301
14142243291
15152443271
16152542261
17162642250
18172741240
19172840230
20182939220
21293039200
222103138190
232113238180
242113238170
252123238160
262133238150
272133238150
282133239140
292133239140
301143139140
311143139150

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
109calm
119calm
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 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 6:11 AM to 6:25 AM, and sunset from 5:32 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:115:32
211.46:115:33
311.46:125:33
411.36:125:33
511.36:135:33
611.36:135:34
711.36:145:34
811.36:145:34
911.36:155:35
1011.36:155:35
1111.36:165:35
1211.36:165:36
1311.36:175:36
1411.36:175:37
1511.36:185:37
1611.36:185:37
1711.36:195:38
1811.36:195:38
1911.36:205:39
2011.36:205:39
2111.36:215:40
2211.36:215:40
2311.36:225:41
2411.36:225:41
2511.36:235:41
2611.36:235:42
2711.36:245:42
2811.36:245:43
2911.36:245:43
3011.36:255:44
3111.36:255:45

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 4.64 kWh/m² to a high of 6.11 kWh/m² in March across the year — December's 4.84 kWh/m² falls in the middle.

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
214.9Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.1Bright
Planning a trip in December

Hazard calendar for Phumĭ Véal Tônsay

In seasonPeak

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

Phumĭ Véal Tônsay'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 Phumĭ Véal Tônsay?

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
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Phumĭ Véal Tônsay in December

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

In December, Phumĭ Véal Tônsay sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Phumĭ Véal Tônsay 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 Phumĭ Véal Tônsay peaks around August 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Nov 23UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Phumĭ Véal Tônsay 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 Phumĭ Véal Tônsay is worst in February — around 45 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (November, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateFeb 1744 µg/m³Nov 1912 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb45Poor
Mar36Poor
Apr27Moderate
May16Moderate
Jun13Moderate
Jul13Moderate
Aug12Good
Sep12Moderate
Oct13Moderate
Nov12Good
Dec13Moderate
Location & terrain

Where is Phumĭ Véal Tônsay?

Phumĭ Véal Tônsay sits at 11.7°N, 104.6°E, 46 m above sea level, in Cambodia. The nearest listed city is Kampong Speu, 28 km away.

Chrang Chamreh MuoyBoeng Kak PirPhnom PenhDangkaoTa KhmauPhumĭ Yoŭl ToŭngKandoeng

Topography around Phumĭ Véal Tônsay

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

Within 3 km, the terrain around Phumĭ Véal Tônsay has only modest variations in elevation — a maximum elevation change of 21 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 217 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,787 m.

The land around Phumĭ Véal Tônsay is covered by cropland (74%) within 3 km, cropland (71%) and grassland (21%) within 16 km, and cropland (54%) and trees (24%) within 80 km.

3 km
21 m
16 km
217 m
80 km
1,787 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Kampong Speu 28 km · Chrang Chamreh Muoy 34 km · Boeng Kak Pir 36 km · Phnom Penh 39 km · Dangkao 40 km · Ta Khmau 47 km · Phumĭ Yoŭl Toŭng 49 km · Kandoeng 53 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 Phumĭ Véal Tônsay (11.6962°, 104.5806°, elevation 46 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).