Trảng Bom weather in January

In January, Trảng Bom sees average daytime highs of 31°C and overnight lows near 23°C, with 21 mm of rain across 3.6 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 11th-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 30% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Trảng Bom's 4th-clearest and 9th-windiest month. For the whole year in context, see Trảng Bom's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
1st coldest
Rainfall
21 mm
3.6 wet days
Daylight
11 h 24 min
6:19 AM – 5:44 PM
Cloud cover
59%
4th clearest
Wind
6 km/h
9th windiest
Solar energy
5.06 kWh/m²
Travel score
5.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Trảng Bom reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Trảng Bom

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Trảng Bom weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34357
44555
54555
64654
74654
84753
94852
104852
114852
124951
134951
144951
154852
164852
174852
184852
194852
204951
214951
224951
235050
245149
255149
265248
275347
285446
295545
305644
315842

Chance of precipitation in January

Any precipitation

Trảng Bom gets around 21 mm of rain over 3.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 16% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
215
314
413
513
612
712
811
911
1011
1111
1211
1311
1412
1512
1612
1713
1813
1913
2013
2113
2213
2313
2412
2512
2611
2710
2810
299
308
318

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10433567
20433576
30434575
40434575
50434584
60535564
70536554
80536563
90537553
100538543
110639523
120640513
130640513
140641493
150742483
160742473
170743463
180744453
190844443
200845433
210845424
221846414
231947413
241947403
251948393
261949383
271950373
2811050363
2911051353
3011052343
3111054332

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
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
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:14 AM to 6:20 AM, and sunset from 5:36 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:145:36
211.46:145:37
311.46:155:37
411.46:155:38
511.46:165:38
611.46:165:39
711.46:165:39
811.46:175:40
911.46:175:40
1011.46:175:41
1111.46:175:41
1211.46:185:42
1311.46:185:42
1411.46:185:43
1511.46:185:43
1611.46:195:44
1711.46:195:44
1811.46:195:45
1911.46:195:45
2011.46:195:46
2111.56:195:46
2211.56:205:47
2311.56:205:47
2411.56:205:48
2511.56:205:48
2611.56:205:49
2711.56:205:49
2811.56:205:50
2911.56:205:50
3011.56:205:50
3111.56:205:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.06 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 — January's 5.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Trảng Bom

In seasonPeak

In January, 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 January a good time to visit Trảng Bom?

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

5.2
Sightseeing
1st-best month of the year
7.5
Beach & pool
2nd-best month of the year

January 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 January

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

In January, Trảng Bom sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Trảng Bom in January

The nearest coast averages about 26°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).