Ban Khoan weather in December

In December, Ban Khoan sees average daytime highs of 27°C and overnight lows near 16°C, with 24 mm of rain across 2.9 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 64% 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 48 min by month's end. Set against the rest of the year, December is Ban Khoan's 4th-clearest and 8th-windiest month. For the whole year in context, see Ban Khoan's year-round climate.

Daytime high
27°
12th warmest
Overnight low
16°
3rd coldest
Rainfall
24 mm
2.9 wet days
Daylight
10 h 48 min
6:53 AM – 5:39 PM
Cloud cover
34%
4th clearest
Wind
4 km/h
8th windiest
Solar energy
4.08 kWh/m²
Travel score
8.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Ban Khoan reaches about 27°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 30°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92716
102716
112716
122716
132716
142716
152716
162715
172715
182715
192715
202715
212715
222715
232715
242715
252715
262715
272714
282714
292714
302714
312715

How December really feels in Ban Khoan

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.

Ban Khoan weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°212.510.97.6
Feb31° / 15°111.811.35.7
Mar34° / 18°344.311.93.8
Apr35° / 22°979.912.52.9
May33° / 24°23220.3132.6
Jun32° / 25°27225.313.22.3
Jul31° / 25°3902813.12.4
Aug31° / 24°39028.512.72.4
Sep31° / 24°29024.112.12.8
Oct31° / 22°12615.911.54.2
Nov29° / 19°405.3116.3
Dec27° / 16°242.910.88.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57723
67723
77624
87723
97723
107723
117723
127723
137822
147921
157921
167921
178119
188119
198119
208317
218317
228317
238317
248317
258317
268317
278218
288218
298119
308020
318020

Chance of precipitation in December

Any precipitation

Ban Khoan gets around 24 mm of rain over 2.9 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 10% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
212
312
412
512
612
711
811
911
1011
1110
1210
139
149
158
168
178
188
197
207
217
228
238
248
258
269
279
289
2910
3010
3110

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151338359
261438348
361538338
461539328
571639317
671739317
771739306
881839296
991939285
1092039275
11102139264
12112238254
13122238243
14132338233
15142437222
16152537202
17162637191
18172836181
19182936161
20183035151
21183235140
22193334130
23193534130
24193633120
25183733120
26183833110
27173933110
28164033110
29154133110
30144133120
31134233120

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
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 48 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 6:44 AM to 6:59 AM, and sunset from 5:35 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:445:35
210.86:445:35
310.86:455:35
410.86:465:36
510.86:465:36
610.86:475:36
710.86:475:36
810.86:485:36
910.86:495:37
1010.86:495:37
1110.86:505:37
1210.86:505:38
1310.86:515:38
1410.86:525:38
1510.86:525:39
1610.86:535:39
1710.86:535:39
1810.86:545:40
1910.86:545:40
2010.86:555:41
2110.86:555:41
2210.86:565:42
2310.86:565:42
2410.86:575:43
2510.86:575:43
2610.86:575:44
2710.86:585:44
2810.86:585:45
2910.86:595:45
3010.86:595:46
3110.86:595:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.08 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.27 kWh/m² in April across the year — December's 4.08 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
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 Ban Khoan

In seasonPeak

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

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

Ban Khoan's monsoon runs May–September, 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 Ban Khoan?

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

8.0
Sightseeing
1st-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Ban Khoan in December

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

In December, Ban Khoan sees daytime highs around 27°C and nights near 16°C. Pack light clothes.

light clothes

UV index in Ban Khoan 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 Ban Khoan peaks around July 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 19UV 13Dec 20UV 7
UV index (midday)Level
Jan7High
Feb9Very high
Mar9Very high
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Ban Khoan 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 Ban Khoan is worst in April — around 156 µg/m³ PM2.5 (very unhealthy), about 12.0× the cleanest month (July, 13 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 11150 µg/m³Jul 2313 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb40Poor
Mar128Unhealthy
Apr156Very unhealthy
May37Poor
Jun15Moderate
Jul13Moderate
Aug13Moderate
Sep13Moderate
Oct14Moderate
Nov15Moderate
Dec19Moderate
Location & terrain

Where is Ban Khoan?

Ban Khoan sits at 20.4°N, 100.1°E, 373 m above sea level, in Laos. The nearest listed city is Mae Sai, 24 km away.

Chiang RaiMöng YawngPhayaoDok Kham Tai

Topography around Ban Khoan

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

Within 3 km, the terrain around Ban Khoan has only modest variations in elevation — a maximum elevation change of 145 m around an average of 382 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 862 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Ban Khoan is covered by trees (42%) and cropland (25%) within 3 km, trees (46%) and cropland (38%) within 16 km, and trees (81%) within 80 km.

3 km
145 m
16 km
862 m
80 km
1,714 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Mae Sai 24 km · Tachilek 24 km · Mae Chan 34 km · Ban Houakhoua 40 km · Chiang Rai 56 km · Möng Yawng 96 km · Phayao 131 km · Dok Kham Tai 132 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 Ban Khoan (20.3501°, 100.0902°, elevation 373 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).