Tanjungtiram weather in December

In December, Tanjungtiram sees average daytime highs of 29°C and overnight lows near 24°C, with 287 mm of rain across 28 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°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 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Tanjungtiram's 10th-clearest and 1st-windiest month. For the whole year in context, see Tanjungtiram's year-round climate.

Daytime high
29°
12th warmest
Overnight low
24°
2nd coldest
Rainfall
287 mm
28 wet days
Daylight
11 h 48 min
6:30 AM – 6:16 PM
Cloud cover
89%
10th clearest
Wind
6 km/h
1st windiest
Solar energy
4.05 kWh/m²
Travel score
3.2
out of 10

Tanjungtiram is human settlement in Sumatra, Indonesia.

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 29°C through the month.

A typical December day in Tanjungtiram reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Tanjungtiram

Once humidity and wind are folded in, December averages 14 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
14
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.

Tanjungtiram weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°16023.111.83.7
Feb30° / 24°10618.411.93.8
Mar30° / 25°14522.7123.3
Apr31° / 25°17826.712.12.7
May31° / 25°20527.212.22.7
Jun31° / 25°14122.912.23.1
Jul30° / 25°15224.212.23.1
Aug30° / 24°18226.812.12.9
Sep30° / 24°23328.9122.7
Oct29° / 24°28029.511.92.8
Nov29° / 24°31928.811.82.9
Dec29° / 24°2872811.83.2

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 6% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7793
8793
9793
10793
11793
12793
13793
14892
15892
16892
17892
18892
19892
20892
21892
22892
23892
24991
25991
26991
271090
281189
291288
301387
311387

Chance of precipitation in December

Any precipitation

Tanjungtiram gets around 287 mm of rain over 28 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 90% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
793
893
993
1093
1192
1292
1392
1491
1591
1690
1790
1889
1989
2089
2188
2288
2388
2487
2587
2687
2786
2886
2985
3085
3184

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18614
28713
38713
48713
58713
68812
78812
88911
98911
108911
119010
129010
13919
14928
15928
16937
17937
18937
19946
20946
21946
22955
23955
24955
25955
26955
27964
28964
29964
30964
31964

Wind in December

Winds average 6 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 5 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
15calm
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 48 min at the start of December to 11 h 48 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 6:23 AM to 6:37 AM, and sunset from 6:10 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:236:10
211.86:236:10
311.86:246:10
411.86:246:11
511.86:256:11
611.86:256:11
711.86:256:12
811.86:266:12
911.86:266:13
1011.86:276:13
1111.86:276:13
1211.86:286:14
1311.86:286:14
1411.86:296:15
1511.86:296:15
1611.86:306:16
1711.86:306:16
1811.86:316:17
1911.86:316:17
2011.86:326:17
2111.86:326:18
2211.86:336:18
2311.86:336:19
2411.86:336:19
2511.86:346:20
2611.86:346:20
2711.86:356:21
2811.86:356:21
2911.86:366:22
3011.86:366:22
3111.86:376:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.05 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 5.57 kWh/m² in March across the year — December's 4.05 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Tanjungtiram

In seasonPeak

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

Tanjungtiram sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is December a good time to visit Tanjungtiram?

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

3.2
Sightseeing
4th-best month of the year
3.9
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Tanjungtiram.

What to pack for Tanjungtiram in December

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

In December, Tanjungtiram sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Tanjungtiram 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 offshore is warmest in June 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
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Tanjungtiram 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 Tanjungtiram peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 14Jul 12UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tanjungtiram 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 Tanjungtiram is worst in March — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2434 µg/m³Dec 1626 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb30Moderate
Mar34Moderate
Apr34Moderate
May32Moderate
Jun31Moderate
Jul31Moderate
Aug31Moderate
Sep34Moderate
Oct34Moderate
Nov28Moderate
Dec26Moderate
Location & terrain

Where is Tanjungtiram?

Tanjungtiram sits at 4.1°N, 98.4°E, 2 m above sea level, in Indonesia. The nearest listed city is Pangkalan Brandan, 11 km away.

Topography around Tanjungtiram

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

Within 3 km, the terrain around Tanjungtiram has only modest variations in elevation — a maximum elevation change of 7 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.

The land around Tanjungtiram is covered by trees (48%) and water (29%) within 3 km, water (48%) and trees (34%) within 16 km, and trees (56%) and water (34%) within 80 km.

3 km
7 m
16 km
69 m
80 km
2,973 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Pangkalan Brandan 11 km · Labuhan Deli 36 km · Stabat 38 km · Belawan 47 km · Binjai 53 km · Sunggal 60 km · Medan 63 km · Langsa 63 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 Tanjungtiram (4.0613°, 98.3699°, elevation 2 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).