Tanjung Pinang weather in December

In December, Tanjung Pinang sees average daytime highs of 28°C and overnight lows near 26°C, with 340 mm of rain across 27.2 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 1% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of December to 11 h 54 min by month's end. Set against the rest of the year, December is Tanjung Pinang's 12th-clearest and 3rd-windiest month. For the whole year in context, see Tanjung Pinang's year-round climate.

Daytime high
28°
10th warmest
Overnight low
26°
2nd coldest
Rainfall
340 mm
27.2 wet days
Daylight
11 h 54 min
6:00 AM – 5:57 PM
Cloud cover
90%
12th clearest
Wind
15 km/h
3rd windiest
Solar energy
4.28 kWh/m²
Travel score
3.6
out of 10

Tanjung Pinang is administrative city in Bintan Regency, Indonesia.

Founded
1983

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 28°C through the month.

A typical December day in Tanjung Pinang reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°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)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How December really feels in Tanjung Pinang

Once humidity and wind are folded in, December averages 10 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
10
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 Pinang weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°21720.9124.5
Feb28° / 26°11414.9125.1
Mar29° / 26°16521.1124.1
Apr29° / 27°19326.7123.2
May29° / 27°20127.1123.2
Jun29° / 27°18023.412.13.6
Jul29° / 27°15322.3123.9
Aug29° / 26°13820.8124.1
Sep29° / 26°13519.8124.1
Oct29° / 26°20125.2123.5
Nov28° / 26°32628.6123.1
Dec28° / 26°34027.211.93.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5694
6694
7694
8694
9694
10694
11694
12793
13793
14793
15793
16793
17793
18793
19793
20793
21793
22793
23793
24793
25793
26793
27793
28892
29991
30991
31991

Chance of precipitation in December

Any precipitation

Tanjung Pinang gets around 340 mm of rain over 27.2 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 88% 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
393
493
592
692
791
891
991
1090
1190
1290
1389
1489
1589
1689
1788
1888
1988
2087
2187
2286
2385
2484
2583
2683
2782
2881
2980
3079
3178

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
104456
204456
304555
404654
504654
604753
704852
804852
904951
1004951
1105050
1205149
1305149
1405248
1505248
1605347
1705446
1805545
1905644
2005743
2105842
2205941
2306139
2406238
2506337
2606436
2716336
2816435
2916534
3016534
3116633

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 hours at the start of December to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 5:53 AM to 6:07 AM, and sunset from 5:50 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:535:50
212.05:545:51
312.05:545:51
411.95:555:52
511.95:555:52
611.95:555:52
711.95:565:53
811.95:565:53
911.95:575:54
1011.95:575:54
1111.95:585:54
1211.95:585:55
1311.95:595:55
1411.95:595:56
1511.95:595:56
1611.96:005:57
1711.96:005:57
1811.96:015:58
1911.96:015:58
2011.96:025:59
2111.96:025:59
2211.96:036:00
2311.96:036:00
2411.96:046:00
2511.96:046:01
2611.96:056:01
2711.96:056:02
2811.96:066:02
2911.96:066:03
3011.96:066:03
3111.96:076:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.28 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.7 kWh/m² in March across the year — December's 4.28 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Tanjung Pinang?

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

3.6
Sightseeing
7th-best month of the year
4.0
Beach & pool
11th-best month of the year

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

What to pack for Tanjung Pinang in December

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

In December, Tanjung Pinang sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

Sea temperature near Tanjung Pinang in December

The nearest coast averages about 28°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 January 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
Jan28Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Tanjung Pinang 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 Tanjung Pinang peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug13Extreme
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tanjung Pinang 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 Pinang is worst in October — around 30 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1530 µg/m³Jun 1816 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb18Moderate
Mar20Moderate
Apr23Moderate
May18Moderate
Jun16Moderate
Jul17Moderate
Aug20Moderate
Sep27Moderate
Oct30Moderate
Nov26Moderate
Dec21Moderate
Location & terrain

Where is Tanjung Pinang?

Tanjung Pinang sits at 0.9°N, 104.5°E, 39 m above sea level, in Indonesia. The nearest listed city is Batam, 55 km away.

Topography around Tanjung Pinang

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

Within 3 km, the terrain around Tanjung Pinang has only modest variations in elevation — a maximum elevation change of 64 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, significant variations in elevation — a maximum elevation change of 352 m.

The land around Tanjung Pinang is covered by water (40%) and artificial surfaces (35%) within 3 km, water (54%) and trees (24%) within 16 km, and water (82%) within 80 km.

3 km
64 m
16 km
219 m
80 km
352 m
treesgrasslandartificial surfacesbare terrainwatermangroves
December weather nearby: Batam 55 km · Pengerang 63 km · Simei New Town 73 km · Bedok New Town 73 km · Tampines New Town 74 km · Ulu Bedok 75 km · Loyang 75 km · Marine Parade 75 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 Pinang (0.9167°, 104.4583°, elevation 39 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).