Chai Badan weather in December

In December, Chai Badan sees average daytime highs of 31°C and overnight lows near 21°C, with 5 mm of rain across 1.1 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 50% 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 Chai Badan's 4th-clearest and 1st-windiest month. For the whole year in context, see Chai Badan's year-round climate.

Daytime high
31°
12th warmest
Overnight low
21°
2nd coldest
Rainfall
5 mm
1.1 wet days
Daylight
11 h 06 min
6:39 AM – 5:45 PM
Cloud cover
42%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
4.8 kWh/m²
Travel score
5.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Chai Badan reaches about 31°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63221
73121
83121
93121
103121
113121
123121
133121
143121
153121
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Chai Badan

Once humidity and wind are folded in, December averages 8 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
8
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.

Chai Badan 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° / 20°71.811.24.9
Feb34° / 22°10211.53.6
Mar36° / 25°385.811.92.4
Apr37° / 26°6411.312.31.7
May35° / 27°12318.612.71.8
Jun34° / 26°12619.912.92.0
Jul33° / 26°15422.112.82.3
Aug32° / 25°18824.612.52.3
Sep32° / 25°23024.212.12.5
Oct32° / 24°13015.211.73.5
Nov32° / 23°25411.34.6
Dec31° / 21°51.111.15.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46634
56634
66634
76733
86733
96733
106733
116931
126931
137030
147030
157129
167129
177327
187426
197426
207426
217525
227525
237525
247525
257525
267525
277525
287525
297525
307525
317426

Chance of precipitation in December

Any precipitation

Chai Badan gets around 5 mm of rain over 1.1 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
54
64
74
84
94
104
114
123
133
143
152
162
172
182
192
202
212
222
232
242
253
263
273
283
294
304
314

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14112738191
25112738181
35122837171
45132937161
55132936151
66143035141
76153134141
86153134131
96163233120
107173233110
117183232100
128183232100
13919313290
14920313190
151020303180
161121303180
171221293080
181321293070
191322282970
201422282970
211523272860
221524272860
231624272760
241625272760
251625272650
261626272650
271626282550
281526282550
291526292550
301426292560
311327302460

Wind in December

Winds average 11 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:30 AM to 6:45 AM, and sunset from 5:40 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:305:40
211.26:315:40
311.26:315:41
411.16:325:41
511.16:335:41
611.16:335:41
711.16:345:42
811.16:345:42
911.16:355:42
1011.16:355:42
1111.16:365:43
1211.16:365:43
1311.16:375:44
1411.16:375:44
1511.16:385:44
1611.16:395:45
1711.16:395:45
1811.16:405:46
1911.16:405:46
2011.16:415:46
2111.16:415:47
2211.16:415:47
2311.16:425:48
2411.16:425:48
2511.16:435:49
2611.16:435:49
2711.16:445:50
2811.16:445:50
2911.16:455:51
3011.16:455:51
3111.16:455:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.8 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.23 kWh/m² in April across the year — December's 4.8 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
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 Chai Badan

In seasonPeak

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

Chai Badan's monsoon runs May–October, 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 Chai Badan?

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

5.5
Sightseeing
1st-best month of the year
8.2
Beach & pool
1st-best month of the year

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

What to pack for Chai Badan in December

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

In December, Chai Badan sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Chai Badan 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 Chai Badan peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 13Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr11Extreme
May10Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Chai Badan 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 Chai Badan is worst in March — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (November, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1446 µg/m³Nov 2323 µg/m³
PM2.5 (µg/m³)Level
Jan35Poor
Feb44Poor
Mar47Poor
Apr40Poor
May32Moderate
Jun26Moderate
Jul26Moderate
Aug26Moderate
Sep27Moderate
Oct27Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Chai Badan?

Chai Badan sits at 15.2°N, 101.1°E, 44 m above sea level, in Thailand. The nearest listed city is Wichian Buri, 51 km away.

Topography around Chai Badan

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

Within 3 km, the terrain around Chai Badan has only modest variations in elevation — a maximum elevation change of 104 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, large variations in elevation — a maximum elevation change of 1,074 m.

The land around Chai Badan is covered by cropland (43%) and trees (31%) within 3 km, cropland (64%) and trees (28%) within 16 km, and cropland (68%) and trees (27%) within 80 km.

3 km
104 m
16 km
554 m
80 km
1,074 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Wichian Buri 51 km · Pak Chong 63 km · Phra Phutthabat 64 km · Lop Buri 68 km · Dan Khun Thot 68 km · Kaeng Khoi 70 km · Amphoe Sikhiu 70 km · Saraburi 78 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 Chai Badan (15.2°, 101.1333°, elevation 44 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).