Trảng Bom weather in December

In December, Trảng Bom sees average daytime highs of 30°C and overnight lows near 23°C, with 61 mm of rain across 9.1 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 19% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Trảng Bom's 6th-clearest and 10th-windiest month. For the whole year in context, see Trảng Bom's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
61 mm
9.1 wet days
Daylight
11 h 24 min
6:07 AM – 5:29 PM
Cloud cover
70%
6th clearest
Wind
6 km/h
10th windiest
Solar energy
4.45 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Trảng Bom reaches about 30°C in the afternoon and slips back to 23°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.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Trảng Bom

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.

Trảng Bom weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°213.611.45.2
Feb32° / 23°91.911.64.7
Mar33° / 25°245.111.93.8
Apr34° / 26°7312.512.23.0
May33° / 26°20624.712.52.3
Jun31° / 26°25827.412.62.4
Jul31° / 25°27829.412.62.5
Aug31° / 25°28229.212.42.5
Sep31° / 25°29028.412.12.5
Oct31° / 25°23326.611.82.8
Nov31° / 24°12315.711.53.9
Dec30° / 23°619.111.44.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33466
43466
53466
63565
73466
83466
93466
103466
113466
123466
133565
143565
153565
163466
173466
183565
193565
203466
213466
223565
233565
243664
253664
263763
273862
283961
294060
304060
314159

Chance of precipitation in December

Any precipitation

Trảng Bom gets around 61 mm of rain over 9.1 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 29% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
340
439
538
638
737
836
936
1035
1134
1234
1333
1432
1531
1630
1729
1828
1927
2026
2125
2224
2323
2422
2521
2620
2720
2819
2918
3017
3116

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the oppressive band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11134739
21134738
31144836
42154935
52155033
62165032
72165230
82175229
92175328
102185426
112185525
122195524
133205522
143215521
153225520
163225619
174235419
184245418
194265317
204275316
214285315
224295314
234305214
245305213
255315212
265325211
275325310
28432559
29432559
30433558
31433567

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 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 6:00 AM to 6:14 AM, and sunset from 5:24 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:005:24
211.46:005:24
311.46:015:24
411.46:015:25
511.46:025:25
611.46:025:25
711.46:035:26
811.46:035:26
911.46:045:26
1011.46:045:27
1111.46:055:27
1211.46:055:27
1311.46:065:28
1411.46:065:28
1511.46:075:29
1611.46:075:29
1711.46:085:29
1811.46:085:30
1911.46:095:30
2011.46:095:31
2111.46:105:31
2211.46:105:32
2311.46:115:32
2411.46:115:33
2511.46:125:33
2611.46:125:34
2711.46:125:34
2811.46:135:35
2911.46:135:35
3011.46:145:36
3111.46:145:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.08 kWh/m² in March across the year — December's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Trảng Bom

In seasonPeak

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

Trảng Bom sits in the Pacific typhoon belt; the season peaks July–October.

Trảng Bom'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 Trảng Bom?

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

4.8
Sightseeing
2nd-best month of the year
6.7
Beach & pool
4th-best month of the year

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

What to pack for Trảng Bom in December

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

In December, Trảng Bom sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Trảng Bom in December

The nearest coast averages about 27°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 66 km away) is warmest in May at about 30°C and coldest in January near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Trảng Bom 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 Trảng Bom peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 13Nov 16UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Trảng Bom 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 Trảng Bom is worst in October — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorOct 1938 µg/m³Jul 2432 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb34Moderate
Mar36Poor
Apr35Moderate
May34Moderate
Jun35Moderate
Jul32Moderate
Aug32Moderate
Sep35Poor
Oct38Poor
Nov37Poor
Dec34Moderate
Location & terrain

Where is Trảng Bom?

Trảng Bom sits at 11.0°N, 107.0°E, 61 m above sea level, in Vietnam. The nearest listed city is Long Thành, 19 km away.

Topography around Trảng Bom

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

Within 3 km, the terrain around Trảng Bom has only modest variations in elevation — a maximum elevation change of 57 m around an average of 58 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 476 m; within 80 km, large variations in elevation — a maximum elevation change of 1,018 m.

The land around Trảng Bom is covered by trees (45%) and artificial surfaces (35%) within 3 km, trees (57%) and artificial surfaces (20%) within 16 km, and trees (58%) within 80 km.

3 km
57 m
16 km
476 m
80 km
1,018 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Long Thành 19 km · Biên Hòa 20 km · Xuân Lộc 25 km · Dĩ An 26 km · Long Khánh 27 km · Tân Uyên 28 km · Thủ Đức 28 km · Thuận An 32 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 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 Trảng Bom (10.9536°, 107.0059°, elevation 61 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).