Ban Chang weather in December

In December, Ban Chang sees average daytime highs of 31°C and overnight lows near 24°C, with 14 mm of rain across 3 wet days and about 11.3 hours of daylight. It is the 11th-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 38% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is Ban Chang's 4th-clearest and 6th-windiest month. For the whole year in context, see Ban Chang's year-round climate.

Daytime high
31°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
14 mm
3 wet days
Daylight
11 h 18 min
6:34 AM – 5:50 PM
Cloud cover
53%
4th clearest
Wind
11 km/h
6th windiest
Solar energy
5.03 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 Ban Chang reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173123
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293123
303123
313123

How December really feels in Ban Chang

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.

Ban Chang 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
Jan31° / 24°234.511.35.5
Feb31° / 25°183.911.65.4
Mar32° / 26°466.811.94.7
Apr33° / 27°599.312.33.8
May32° / 28°11817.312.63.0
Jun32° / 27°10217.512.73.0
Jul32° / 27°10117.412.73.2
Aug32° / 27°10017.212.43.3
Sep31° / 27°18520.812.13.0
Oct31° / 26°22122.911.73.2
Nov31° / 25°517.911.44.7
Dec31° / 24°14311.35.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65446
75446
85446
95545
105644
115644
125743
135743
145941
155941
166040
176040
186040
196139
206238
216238
226238
236337
246337
256337
266337
276436
286436
296436
306436
316436

Chance of precipitation in December

Any precipitation

Ban Chang gets around 14 mm of rain over 3 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 10% and peaks near 16% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
116
215
314
414
514
613
713
813
912
1012
1111
1210
1310
149
159
168
178
188
198
208
218
227
237
247
257
267
277
287
298
308
319

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11311293224
21312303123
31312303122
41413313121
50413323120
60414323019
70414333018
80415333017
90515342917
100516342916
111616342915
121617342914
131718332913
141718332813
151818322812
161919312812
172919302812
1821020292812
1921020282811
2031020282811
2131021272811
2231121272810
2341121272810
244102127299
254102127299
264102127308
274102127318
28492028327
29482028337
30381928347
31371929357

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 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
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 18 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 6:26 AM to 6:41 AM, and sunset from 5:45 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:265:45
211.36:275:45
311.36:275:45
411.36:285:45
511.36:295:46
611.36:295:46
711.36:305:46
811.36:305:47
911.36:315:47
1011.36:315:47
1111.36:325:48
1211.36:325:48
1311.36:335:48
1411.36:335:49
1511.36:345:49
1611.36:345:50
1711.36:355:50
1811.36:355:50
1911.36:365:51
2011.36:365:51
2111.36:375:52
2211.36:375:52
2311.36:385:53
2411.36:385:53
2511.36:395:54
2611.36:395:54
2711.36:395:55
2811.36:405:55
2911.36:405:56
3011.36:415:56
3111.36:415:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.76 kWh/m² to a high of 6.22 kWh/m² in April across the year — December's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Ban Chang

In seasonPeak

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

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

Ban Chang'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 Ban Chang?

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
7.8
Beach & pool
2nd-best month of the year

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

What to pack for Ban Chang in December

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

In December, Ban Chang sees daytime highs around 31°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near Ban Chang in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in May at about 31°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Ban Chang 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 Ban Chang peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highExtremeVery highAug 16UV 14Dec 14UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Ban Chang 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 Chang is worst in January — around 39 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (June, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateJan 2439 µg/m³Jun 2017 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb39Poor
Mar29Moderate
Apr26Moderate
May20Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep21Moderate
Oct31Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Ban Chang?

Ban Chang sits at 12.7°N, 101.1°E, 49 m above sea level, in Thailand. The nearest listed city is Sattahip, 18 km away.

Topography around Ban Chang

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

Within 3 km, the terrain around Ban Chang has only modest variations in elevation — a maximum elevation change of 242 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 414 m; within 80 km, large variations in elevation — a maximum elevation change of 1,083 m.

The land around Ban Chang is covered by trees (41%), artificial surfaces (27%) and cropland (20%) within 3 km, trees (41%) and water (24%) within 16 km, and water (52%) and trees (34%) within 80 km.

3 km
242 m
16 km
414 m
80 km
1,083 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sattahip 18 km · Rayong 23 km · Pattaya 30 km · Bang Lamung 38 km · Ban Talat Bueng 39 km · Ban Phe 43 km · Si Racha 52 km · Klaeng 65 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 Ban Chang (12.725°, 101.0555°, elevation 49 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).