Khlong Luang weather in December

In December, Khlong Luang sees average daytime highs of 32°C and overnight lows near 22°C, with 9 mm of rain across 2 wet days and about 11.2 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 45% 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 12 min by month's end. Set against the rest of the year, December is Khlong Luang's 4th-clearest and 8th-windiest month. For the whole year in context, see Khlong Luang's year-round climate.

Daytime high
32°
12th warmest
Overnight low
22°
2nd coldest
Rainfall
9 mm
2 wet days
Daylight
11 h 12 min
6:38 AM – 5:49 PM
Cloud cover
48%
4th clearest
Wind
7 km/h
8th windiest
Solar energy
4.79 kWh/m²
Travel score
5.1
out of 10

Khlong Luang is town in Pathum Thani province, Thailand.

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 32°C through the month.

A typical December day in Khlong Luang reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63222
73222
83222
93222
103222
113222
123222
133222
143222
153122
163122
173122
183121
193121
203121
213121
223121
233121
243121
253121
263121
273121
283121
293121
303121
313121

How December really feels in Khlong Luang

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.

Khlong Luang weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°153.511.34.9
Feb33° / 23°163.711.54.1
Mar34° / 25°568.511.93.0
Apr35° / 27°9114.712.32.1
May34° / 27°18524.212.61.8
Jun34° / 27°17924.812.82.0
Jul33° / 26°18525.912.72.1
Aug33° / 26°20426.212.52.1
Sep32° / 26°28426.912.12.2
Oct32° / 25°16719.611.73.0
Nov32° / 24°335.811.34.3
Dec32° / 22°9211.25.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56238
66238
76238
86238
96238
106238
116337
126337
136337
146436
156535
166634
176634
186733
196733
206832
216931
226931
237030
247129
257129
267228
277228
287228
297228
307129
317129

Chance of precipitation in December

Any precipitation

Khlong Luang gets around 9 mm of rain over 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 7% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
210
310
410
59
69
79
88
98
108
117
127
136
146
155
165
175
185
194
204
214
224
234
245
255
265
275
285
296
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 33% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11415343213
21516353112
31517363012
41517362911
51518372811
61619372810
71620372710
8162137269
9162237268
10172237258
11172336257
12182435257
13192435256
14292534256
152102533255
162112532255
173112631255
183122630254
194122629254
204132628253
215132628253
225132628253
235142628253
246142628242
256142628242
266142629232
276132629232
285132630233
295132631233
305122631233
314112633233

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 12 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 6:30 AM to 6:45 AM, and sunset from 5:44 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:305:44
211.26:315:44
311.26:315:44
411.26:325:45
511.26:335:45
611.26:335:45
711.26:345:46
811.26:345:46
911.26:355:46
1011.26:355:47
1111.26:365:47
1211.26:365:47
1311.26:375:48
1411.26:375:48
1511.26:385:48
1611.26:385:49
1711.26:395:49
1811.26:395:50
1911.26:405:50
2011.26:405:51
2111.26:415:51
2211.26:415:51
2311.26:425:52
2411.26:425:52
2511.26:435:53
2611.26:435:53
2711.26:445:54
2811.26:445:54
2911.26:445:55
3011.26:455:55
3111.26:455:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.79 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.09 kWh/m² in April across the year — December's 4.79 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Khlong Luang

In seasonPeak

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

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

Khlong Luang's rainy season runs May–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Khlong Luang?

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

5.1
Sightseeing
1st-best month of the year
7.8
Beach & pool
1st-best month of the year

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

What to pack for Khlong Luang in December

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

In December, Khlong Luang sees daytime highs around 32°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Khlong Luang 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 Khlong Luang peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highAug 14UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May10Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Khlong Luang 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 Khlong Luang is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 2382 µg/m³Jul 2443 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb81Unhealthy
Mar70Unhealthy
Apr64Unhealthy
May54Poor
Jun44Poor
Jul43Poor
Aug43Poor
Sep54Poor
Oct66Unhealthy
Nov67Unhealthy
Dec66Unhealthy
Location & terrain

Where is Khlong Luang?

Khlong Luang sits at 14.1°N, 100.6°E, 7 m above sea level, in Thailand. The nearest listed city is Ban Bang Kadi, 13 km away.

Topography around Khlong Luang

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

Within 3 km, the terrain around Khlong Luang has only modest variations in elevation — a maximum elevation change of 24 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, large variations in elevation — a maximum elevation change of 1,097 m.

The land around Khlong Luang is covered by artificial surfaces (45%) and trees (28%) within 3 km, artificial surfaces (29%), cropland (28%) and trees (25%) within 16 km, and cropland (44%) and trees (23%) within 80 km.

3 km
24 m
16 km
31 m
80 km
1,097 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ban Bang Kadi 13 km · Pathum Thani 14 km · Sai Mai 16 km · Ban Lam Luk Ka 17 km · Anusawari 19 km · Wang Noi 20 km · Bang Pa-in 20 km · Lak Si 21 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

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 Khlong Luang (14.0647°, 100.6458°, elevation 7 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).