Tangerang weather in December

In December, Tangerang sees average daytime highs of 30°C and overnight lows near 24°C, with 264 mm of rain across 26.4 wet days and about 12.4 hours of daylight. It is the 10th-warmest and 3rd-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 2% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Tangerang's 11th-clearest and 1st-windiest month. For the whole year in context, see Tangerang's year-round climate.

Daytime high
30°
10th warmest
Overnight low
24°
12th coldest
Rainfall
264 mm
26.4 wet days
Daylight
12 h 24 min
5:39 AM – 6:00 PM
Cloud cover
89%
11th clearest
Wind
8 km/h
1st windiest
Solar energy
4.73 kWh/m²
Travel score
2.9
out of 10

Tangerang is city in Banten Province, Indonesia.

Density
11,716/km²
people per km²
Founded
1993

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 30°C through the month.

A typical December day in Tangerang reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Tangerang

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.

Tangerang weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°29928.212.32.9
Feb30° / 24°27826.912.22.7
Mar30° / 24°24328.4122.7
Apr31° / 24°20125.911.92.8
May31° / 24°11820.911.73.4
Jun31° / 24°8514.711.64.0
Jul31° / 23°6712.411.74.2
Aug32° / 24°438.811.84.3
Sep32° / 24°5711.1123.8
Oct32° / 24°12918.512.13.2
Nov31° / 24°21625.712.32.7
Dec30° / 24°26426.412.42.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3793
4793
5793
6793
7793
8793
9694
10694
11694
12694
13694
14694
15694
16793
17793
18793
19793
20793
21892
22892
23892
24892
25793
26892
27892
28892
29892
30991
311090

Chance of precipitation in December

Any precipitation

Tangerang gets around 264 mm of rain over 26.4 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 85% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
587
687
787
887
987
1087
1187
1287
1386
1486
1585
1685
1784
1884
1983
2083
2183
2283
2383
2483
2583
2684
2784
2884
2985
3085
3186

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118217
218217
318118
418118
518118
618118
718118
818118
918217
1018217
1118217
1218217
1318217
1418217
1518316
1618316
1718316
1818316
1918316
2018316
2118316
2218316
2318316
2418415
2518415
2618415
2718415
2818415
2908515
3008515
3108614

Wind in December

Winds average 8 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:33 AM to 5:46 AM, and sunset from 5:53 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:335:53
212.35:345:54
312.35:345:54
412.35:345:55
512.35:355:55
612.35:355:56
712.35:355:56
812.35:365:56
912.35:365:57
1012.45:365:57
1112.45:375:58
1212.45:375:58
1312.45:385:59
1412.45:385:59
1512.45:396:00
1612.45:396:00
1712.45:396:01
1812.45:406:01
1912.45:406:02
2012.45:416:02
2112.45:416:03
2212.45:426:03
2312.45:426:04
2412.45:436:04
2512.45:436:05
2612.45:446:05
2712.45:446:06
2812.45:456:06
2912.45:456:06
3012.45:466:07
3112.45:466:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.73 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.15 kWh/m² in September across the year — December's 4.73 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Tangerang

In seasonPeak

In December, Tangerang sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Tangerang sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Tangerang's rainy season runs November–April, when most of the year's rain falls.

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

Is December a good time to visit Tangerang?

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

2.9
Sightseeing
7th-best month of the year
4.1
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Tangerang.

What to pack for Tangerang in December

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

In December, Tangerang sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Tangerang in December

The nearest coast averages about 29°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 34 km away) is warmest in May at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Tangerang in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Tangerang peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 13 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 17UV 15Nov 13UV 7
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct9Very high
Nov6High
Dec11Extreme

Air quality in Tangerang 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 Tangerang is worst in May — around 74 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (December, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 2073 µg/m³Dec 2438 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar51Poor
Apr62Unhealthy
May74Unhealthy
Jun69Unhealthy
Jul67Unhealthy
Aug67Unhealthy
Sep70Unhealthy
Oct69Unhealthy
Nov61Unhealthy
Dec38Poor
Location & terrain

Where is Tangerang?

Tangerang sits at 6.2°S, 106.6°E, 18 m above sea level, in Indonesia. The nearest listed city is Teluknaga, 9.0 km away.

Topography around Tangerang

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

Within 3 km, the terrain around Tangerang has only modest variations in elevation — a maximum elevation change of 30 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 66 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,001 m.

The land around Tangerang is covered by artificial surfaces (73%) within 3 km, artificial surfaces (57%) within 16 km, and trees (38%) and water (37%) within 80 km.

3 km
30 m
16 km
66 m
80 km
3,001 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Teluknaga 9.0 km · Sepatan 9.0 km · Ciputat 10 km · Pasarkemis 11 km · Curug 13 km · Cikupa 15 km · South Tangerang 16 km · Serpong 16 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Tangerang (-6.1781°, 106.63°, elevation 18 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).