Vang Vieng weather in December

In December, Vang Vieng sees average daytime highs of 25°C and overnight lows near 14°C, with 25 mm of rain across 4.4 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Vang Vieng's 4th-clearest and 5th-windiest month. For the whole year in context, see Vang Vieng's year-round climate.

Daytime high
25°
11th warmest
Overnight low
14°
2nd coldest
Rainfall
25 mm
4.4 wet days
Daylight
10 h 54 min
6:40 AM – 5:32 PM
Cloud cover
40%
4th clearest
Wind
4 km/h
5th windiest
Solar energy
4.13 kWh/m²
Travel score
8.0
out of 10

Vang Vieng is town in Laos.

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 25°C through the month.

A typical December day in Vang Vieng reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42615
52615
62615
72615
82615
92615
102615
112615
122615
132514
142514
152514
162514
172514
182514
192514
202514
212513
222513
232513
242513
252513
262513
272513
282513
292513
302513
312513

How December really feels in Vang Vieng

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.

Vang Vieng weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°213.5118.2
Feb27° / 15°183.211.47.8
Mar29° / 18°447.811.96.0
Apr30° / 20°9215.212.44.4
May29° / 22°25026.712.93.2
Jun28° / 22°39429.213.13.0
Jul28° / 22°53730.3133.2
Aug28° / 22°55230.412.63.2
Sep28° / 21°32827.212.13.4
Oct28° / 20°12619.211.64.8
Nov27° / 17°336.811.17.2
Dec25° / 14°254.410.98.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67129
77129
87129
97129
107129
117228
127228
137327
147426
157525
167624
177723
187822
197921
207921
218020
228020
238020
248020
258020
268020
278020
287921
297822
307723
317624

Chance of precipitation in December

Any precipitation

Vang Vieng gets around 25 mm of rain over 4.4 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 14% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
219
318
418
518
617
717
817
916
1016
1115
1214
1314
1413
1513
1612
1712
1812
1912
2012
2112
2212
2312
2412
2512
2612
2712
2812
2912
3012
3112

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182044262
292143252
392143242
4102243232
5102343221
6112442211
7122542201
8132641191
9142741181
10152741171
11162840151
12172840140
13192839130
14212938120
15232938110
16242937100
1726293690
1827293690
1928293580
2029293570
2129293570
2230303460
2330303460
2430313450
2530323350
2630323350
2729333350
2829343350
2928353350
3027363350
3126373350

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 54 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 6:32 AM to 6:47 AM, and sunset from 5:28 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:325:28
210.96:325:28
310.96:335:29
410.96:335:29
510.96:345:29
610.96:355:29
710.96:355:29
810.96:365:30
910.96:365:30
1010.96:375:30
1110.96:385:31
1210.96:385:31
1310.96:395:31
1410.96:395:32
1510.96:405:32
1610.96:405:32
1710.96:415:33
1810.96:415:33
1910.96:425:34
2010.96:425:34
2110.96:435:35
2210.96:435:35
2310.96:445:35
2410.96:445:36
2510.96:455:36
2610.96:455:37
2710.96:465:37
2810.96:465:38
2910.96:465:39
3010.96:475:39
3110.96:475:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.13 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.57 kWh/m² in April across the year — December's 4.13 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Vang Vieng

In seasonPeak

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

Vang Vieng's monsoon runs May–September, 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 Vang Vieng?

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

8.0
Sightseeing
2nd-best month of the year
7.4
Beach & pool
4th-best month of the year

December is one of the better times to visit Vang Vieng for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Vang Vieng in December

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

In December, Vang Vieng sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes. About 4 days see rain.

light clothes

UV index in Vang Vieng in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vang Vieng peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highAug 11UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Vang Vieng 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 Vang Vieng is worst in April — around 182 µg/m³ PM2.5 (very unhealthy), about 17.8× the cleanest month (September, 10 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyModerateGoodApr 11175 µg/m³Sep 1610 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb35Moderate
Mar150Unhealthy
Apr182Very unhealthy
May29Moderate
Jun12Good
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Vang Vieng?

Vang Vieng sits at 18.9°N, 102.4°E, 243 m above sea level, in Laos. The nearest listed city is Muang Phônsavan, 98 km away.

Muang PhônsavanVientianeLuang PrabangTha BoNong KhaiPhon CharoenNam SomBorikhan

Topography around Vang Vieng

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

Within 3 km, the terrain around Vang Vieng has significant variations in elevation — a maximum elevation change of 415 m around an average of 276 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,653 m.

The land around Vang Vieng is covered by trees (64%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.

3 km
415 m
16 km
1,402 m
80 km
2,653 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Muang Phônsavan 98 km · Vientiane 108 km · Luang Prabang 112 km · Tha Bo 120 km · Nong Khai 120 km · Phon Charoen 125 km · Nam Som 131 km · Borikhan 141 km

Laos travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / E / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,325
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
35%
of population, 2024
Road deaths
17.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 461
Religion
Buddhist 65%none 31%other/not stated 2%Christian 2%

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 Vang Vieng (18.9235°, 102.4478°, elevation 243 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).