Tanjung Pandan weather in December

In December, Tanjung Pandan sees average daytime highs of 29°C and overnight lows near 25°C, with 356 mm of rain across 30.2 wet days and about 12.2 hours of daylight. It is the 11th-warmest and 1st-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 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Tanjung Pandan's 12th-clearest and 6th-windiest month. For the whole year in context, see Tanjung Pandan's year-round climate.

Daytime high
29°
11th warmest
Overnight low
25°
9th coldest
Rainfall
356 mm
30.2 wet days
Daylight
12 h 12 min
5:41 AM – 5:50 PM
Cloud cover
95%
12th clearest
Wind
9 km/h
6th windiest
Solar energy
4.5 kWh/m²
Travel score
2.7
out of 10

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 Tanjung Pandan reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°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)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How December really feels in Tanjung Pandan

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.

Tanjung Pandan weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°27128.612.13.0
Feb29° / 25°1922312.13.2
Mar30° / 25°26927.5122.8
Apr30° / 25°3332911.92.5
May31° / 25°23627.411.92.8
Jun31° / 25°16821.911.83.3
Jul30° / 24°1221711.94.0
Aug31° / 24°9012.611.94.2
Sep31° / 24°10413123.9
Oct31° / 24°2432212.13.2
Nov30° / 25°35428.312.12.7
Dec29° / 25°35630.212.22.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 1% of December, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Chance of precipitation in December

Any precipitation

Tanjung Pandan gets around 356 mm of rain over 30.2 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 97% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
198
298
398
498
598
698
798
898
998
1098
1198
1298
1397
1497
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2597
2697
2796
2896
2996
3095
3195

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11288
21288
31288
41387
51387
61486
71486
81486
91585
101585
111585
121585
131684
141684
151684
161684
171783
181783
191783
201882
211882
221981
232080
242080
252179
262179
272179
282278
292278
302377
312377

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 12 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 5:35 AM to 5:48 AM, and sunset from 5:44 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:355:44
212.15:355:44
312.15:365:44
412.15:365:45
512.25:365:45
612.25:375:46
712.25:375:46
812.25:375:47
912.25:385:47
1012.25:385:48
1112.25:395:48
1212.25:395:48
1312.25:405:49
1412.25:405:49
1512.25:405:50
1612.25:415:50
1712.25:415:51
1812.25:425:51
1912.25:425:52
2012.25:435:52
2112.25:435:53
2212.25:445:53
2312.25:445:54
2412.25:455:54
2512.25:455:55
2612.25:465:55
2712.25:465:56
2812.25:475:56
2912.25:475:56
3012.25:475:57
3112.25:485:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.5 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.98 kWh/m² in September across the year — December's 4.5 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Is December a good time to visit Tanjung Pandan?

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

2.7
Sightseeing
10th-best month of the year
3.6
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Tanjung Pandan.

What to pack for Tanjung Pandan in December

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

In December, Tanjung Pandan sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Tanjung Pandan 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 May at about 30°C and coldest in February 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
Jan28Tropical
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Tanjung Pandan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tanjung Pandan peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 15Jul 11UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Tanjung Pandan 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 Tanjung Pandan is worst in October — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1418 µg/m³Jan 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr9Good
May9Good
Jun9Good
Jul11Good
Aug13Moderate
Sep15Moderate
Oct18Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Tanjung Pandan?

Tanjung Pandan sits at 2.7°S, 107.6°E, 8 m above sea level, in Indonesia. The nearest listed city is Manggar, 72 km away.

PalembangIndralayaPontianakTerbanggi Besar

Topography around Tanjung Pandan

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

Within 3 km, the terrain around Tanjung Pandan has only modest variations in elevation — a maximum elevation change of 45 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, significant variations in elevation — a maximum elevation change of 461 m.

The land around Tanjung Pandan is covered by water (34%), artificial surfaces (29%) and trees (25%) within 3 km, trees (46%) and water (43%) within 16 km, and water (73%) and trees (23%) within 80 km.

3 km
45 m
16 km
184 m
80 km
461 m
treesgrasslandartificial surfacesbare terrainwatermangroves
December weather nearby: Manggar 72 km · Pangkalpinang 182 km · Sungailiat 194 km · Muntok 285 km · Palembang 321 km · Indralaya 334 km · Pontianak 354 km · Terbanggi Besar 359 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 Tanjung Pandan (-2.7335°, 107.6348°, elevation 8 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. 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).