Tha Khaek weather in December

In December, Tha Khaek sees average daytime highs of 28°C and overnight lows near 16°C, with 6 mm of rain across 1.2 wet days and about 11 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 60% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Tha Khaek's 3rd-clearest and 1st-windiest month. For the whole year in context, see Tha Khaek's year-round climate.

Daytime high
28°
11th warmest
Overnight low
16°
2nd coldest
Rainfall
6 mm
1.2 wet days
Daylight
11 hours
6:28 AM – 5:26 PM
Cloud cover
35%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
4.58 kWh/m²
Travel score
7.6
out of 10

Tha Khaek is city 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 28°C through the month.

A typical December day in Tha Khaek reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52917
62917
72917
82917
92917
102917
112817
122817
132817
142816
152816
162816
172816
182816
192816
202816
212816
222816
232816
242816
252816
262815
272815
282815
292815
302815
312816

How December really feels in Tha Khaek

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.

Tha Khaek weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°61.511.17.4
Feb30° / 18°132.511.46.2
Mar32° / 21°345.611.94.6
Apr33° / 23°6911.512.43.4
May32° / 24°25323.712.82.7
Jun31° / 25°37827.6132.5
Jul30° / 24°49029.412.92.7
Aug30° / 24°49329.912.62.6
Sep30° / 24°31824.712.13.0
Oct31° / 22°11111.411.64.5
Nov30° / 19°202.611.26.0
Dec28° / 16°61.2117.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% 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 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67723
77723
87723
97822
107822
117822
127921
137921
147921
158020
168020
178218
188218
198317
208317
218317
228317
238317
248317
258416
268416
278416
288416
298416
308416
318218

Chance of precipitation in December

Any precipitation

Tha Khaek gets around 6 mm of rain over 1.2 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 4% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
54
64
74
84
94
104
114
124
134
144
154
164
174
184
194
204
214
224
234
243
253
263
273
283
294
304
314

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102033297
2112134286
3122234276
4122334265
5132434255
6132534244
7142633234
8152733223
9162832213
10172832212
11182931202
12192930202
13202929192
14222929191
15232928191
16242927191
17252927181
18262926181
19272926171
20272926171
21282926161
22282927151
23292927141
24292928131
25292929131
26282930121
27282931110
28272932110
29263033110
30253034100
31253034100

Wind in December

Winds average 9 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:19 AM to 6:35 AM, and sunset from 5:21 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:195:21
211.06:205:22
311.06:215:22
411.06:215:22
511.06:225:22
611.06:225:22
711.06:235:23
811.06:235:23
911.06:245:23
1011.06:255:24
1111.06:255:24
1211.06:265:24
1311.06:265:25
1411.06:275:25
1511.06:275:25
1611.06:285:26
1711.06:285:26
1811.06:295:27
1911.06:295:27
2011.06:305:27
2111.06:305:28
2211.06:315:28
2311.06:315:29
2411.06:325:29
2511.06:325:30
2611.06:335:30
2711.06:335:31
2811.06:345:31
2911.06:345:32
3011.06:345:32
3111.06:355:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.58 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.98 kWh/m² in April across the year — December's 4.58 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Tha Khaek

In seasonPeak

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

Tha Khaek'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 Tha Khaek?

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

7.6
Sightseeing
1st-best month of the year
8.7
Beach & pool
2nd-best month of the year

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

What to pack for Tha Khaek in December

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

In December, Tha Khaek sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Tha Khaek 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 Tha Khaek peaks around July 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highExtremeExtremeVery highJul 18UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar11Extreme
Apr10Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Tha Khaek 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 Tha Khaek is worst in March — around 84 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (November, 15 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateMar 1879 µg/m³Nov 1715 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb39Poor
Mar84Unhealthy
Apr49Poor
May23Moderate
Jun19Moderate
Jul18Moderate
Aug19Moderate
Sep17Moderate
Oct18Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Tha Khaek?

Tha Khaek sits at 17.4°N, 104.8°E, 176 m above sea level, in Laos. The nearest listed city is Nakhon Phanom, 6.0 km away.

Sakon NakhonBan XénôSavannakhetMukdahanSekaKhao WongBan Kèngkok

Topography around Tha Khaek

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

Within 3 km, the terrain around Tha Khaek has only modest variations in elevation — a maximum elevation change of 57 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,404 m.

The land around Tha Khaek is covered by trees (49%) and cropland (23%) within 3 km, trees (61%) and cropland (23%) within 16 km, and trees (65%) and cropland (27%) within 80 km.

3 km
57 m
16 km
577 m
80 km
1,404 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Nakhon Phanom 6.0 km · Sakon Nakhon 78 km · Ban Xénô 83 km · Savannakhet 94 km · Mukdahan 97 km · Seka 109 km · Khao Wong 112 km · Ban Kèngkok 114 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 Tha Khaek (17.4103°, 104.8307°, elevation 176 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).