Champasak weather in December

In December, Champasak sees average daytime highs of 29°C and overnight lows near 18°C, with 19 mm of rain across 3.7 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 10th-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 41% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Champasak's 4th-clearest and 1st-windiest month. For the whole year in context, see Champasak's year-round climate.

Daytime high
29°
9th warmest
Overnight low
18°
2nd coldest
Rainfall
19 mm
3.7 wet days
Daylight
11 h 06 min
6:19 AM – 5:26 PM
Cloud cover
49%
4th clearest
Wind
5 km/h
1st windiest
Solar energy
4.62 kWh/m²
Travel score
6.5
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 Champasak reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917
312917

How December really feels in Champasak

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.

Champasak weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°61.311.26.6
Feb31° / 19°71.411.55.8
Mar32° / 22°224.711.94.5
Apr32° / 23°5710.912.33.7
May31° / 23°14821.512.73.1
Jun30° / 23°24125.712.93.1
Jul29° / 23°40128.112.83.2
Aug28° / 23°41328.612.53.1
Sep29° / 23°40627.312.13.2
Oct29° / 22°28722.711.73.7
Nov29° / 20°881211.35.1
Dec29° / 18°193.711.16.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26535
36535
46535
56535
66436
76436
86436
96436
106436
116436
126436
136634
146634
156634
166634
176733
186832
196832
206931
216931
226931
236931
246931
257030
267030
277030
287030
297129
307129
317129

Chance of precipitation in December

Any precipitation

Champasak gets around 19 mm of rain over 3.7 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 12% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
123
222
321
420
519
618
718
817
916
1016
1115
1214
1313
1412
1512
1611
1711
1810
1910
209
219
228
238
247
257
266
276
286
296
305
315

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
114224034
214234033
315244031
415254029
515264028
616274026
716284025
817284123
917294122
1018294120
1119294119
12210304118
13211304117
14212304016
15213303915
16313303915
17314303814
18315313714
19416313713
20417313612
21418313511
22419323510
23519323410
2452033349
2552034338
2652035337
2752035336
2852036336
2952037335
3052037335
3152038335

Wind in December

Winds average 5 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 06 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 6:26 AM, and sunset from 5:22 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:115:22
211.26:115:22
311.26:125:22
411.26:125:22
511.26:135:23
611.26:145:23
711.16:145:23
811.16:155:23
911.16:155:24
1011.16:165:24
1111.16:165:24
1211.16:175:25
1311.16:175:25
1411.16:185:26
1511.16:185:26
1611.16:195:26
1711.16:195:27
1811.16:205:27
1911.16:205:28
2011.16:215:28
2111.16:215:29
2211.16:225:29
2311.16:225:29
2411.16:235:30
2511.16:235:30
2611.16:245:31
2711.16:245:31
2811.16:255:32
2911.16:255:32
3011.16:255:33
3111.16:265:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.62 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.8 kWh/m² in March across the year — December's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Champasak

In seasonPeak

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

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

Champasak's monsoon runs June–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 Champasak?

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

6.5
Sightseeing
2nd-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Champasak in December

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

In December, Champasak sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Champasak 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 Champasak peaks around August 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 14UV 14Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb9Very high
Mar10Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Champasak 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 Champasak is worst in March — around 110 µg/m³ PM2.5 (unhealthy), about 11.5× the cleanest month (December, 10 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodMar 16103 µg/m³Dec 910 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb59Unhealthy
Mar110Unhealthy
Apr50Poor
May19Moderate
Jun14Moderate
Jul14Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Champasak?

Champasak sits at 14.9°N, 105.9°E, 0 m above sea level, in Laos. The nearest listed city is Pakse, 27 km away.

Ban LaongamPhibun MangsahanDet UdomSekongWarin ChamrapUbon RatchathaniKantharalak

Topography around Champasak

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

Within 3 km, the terrain around Champasak has only modest variations in elevation — a maximum elevation change of 17 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,353 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,628 m.

The land around Champasak is covered by cropland (39%) and water (32%) within 3 km, trees (57%) and cropland (27%) within 16 km, and trees (65%) and cropland (24%) within 80 km.

3 km
17 m
16 km
1,353 m
80 km
1,628 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Pakse 27 km · Ban Laongam 71 km · Phibun Mangsahan 80 km · Det Udom 86 km · Sekong 104 km · Warin Chamrap 114 km · Ubon Ratchathani 117 km · Kantharalak 135 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 Champasak (14.892°, 105.8779°, elevation 0 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).