Muntok weather in December

In December, Muntok sees average daytime highs of 28°C and overnight lows near 26°C, with 399 mm of rain across 29.6 wet days and about 12.1 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 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Muntok's 12th-clearest and 5th-windiest month. For the whole year in context, see Muntok's year-round climate.

Daytime high
28°
10th warmest
Overnight low
26°
2nd coldest
Rainfall
399 mm
29.6 wet days
Daylight
12 h 06 min
5:52 AM – 5:59 PM
Cloud cover
94%
12th clearest
Wind
15 km/h
5th windiest
Solar energy
4.16 kWh/m²
Travel score
3.3
out of 10

Muntok is capital of the West Bangka Regency.

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 Muntok 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 28°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
232726
242726
252726
262726
272726
282726
292726
302726
312726

How December really feels in Muntok

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Muntok 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
Jan27° / 26°29627.112.13.7
Feb28° / 26°22121.512.14.2
Mar28° / 26°24326.6123.6
Apr29° / 26°24328.2123.1
May29° / 26°2042611.93.5
Jun29° / 26°15620.111.94.1
Jul29° / 26°13917.911.94.6
Aug29° / 26°9513.811.94.9
Sep29° / 26°10213.9124.7
Oct29° / 26°17921124.1
Nov28° / 26°29927.612.13.4
Dec28° / 26°39929.612.13.3

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 2% of December, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397
31496

Chance of precipitation in December

Any precipitation

Muntok gets around 399 mm of rain over 29.6 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 95% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
397
497
597
697
797
897
997
1097
1197
1297
1397
1497
1597
1697
1797
1896
1996
2096
2195
2295
2394
2494
2593
2693
2792
2892
2991
3091
3191

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16634
26634
36634
46634
56733
66733
76733
86733
96733
106832
116832
126832
136832
146832
156931
166931
176931
186931
197030
207030
217030
227129
237129
247129
257228
267228
277228
287228
297327
307327
317327

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312light breeze
412light breeze
512light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 5:46 AM to 5:59 AM, and sunset from 5:52 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:465:52
212.15:465:53
312.15:465:53
412.15:475:54
512.15:475:54
612.15:485:55
712.15:485:55
812.15:485:55
912.15:495:56
1012.15:495:56
1112.15:505:57
1212.15:505:57
1312.15:515:58
1412.15:515:58
1512.15:515:59
1612.15:525:59
1712.15:526:00
1812.15:536:00
1912.15:536:00
2012.15:546:01
2112.15:546:01
2212.15:556:02
2312.15:556:02
2412.15:566:03
2512.15:566:03
2612.15:576:04
2712.15:576:04
2812.15:586:05
2912.15:586:05
3012.15:596:06
3112.15:596:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 5.58 kWh/m² in September across the year — December's 4.16 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Is December a good time to visit Muntok?

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

3.3
Sightseeing
11th-best month of the year
3.6
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Muntok.

What to pack for Muntok in December

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

In December, Muntok sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Muntok 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 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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Muntok 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 Muntok peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 15Jul 10UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Muntok 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 Muntok is worst in October — around 86 µg/m³ PM2.5 (unhealthy), about 6.3× the cleanest month (January, 14 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateOct 1483 µg/m³Jan 2214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr18Moderate
May18Moderate
Jun18Moderate
Jul20Moderate
Aug26Moderate
Sep66Unhealthy
Oct86Unhealthy
Nov41Poor
Dec14Moderate
Location & terrain

Where is Muntok?

Muntok sits at 2.1°S, 105.2°E, 8 m above sea level, in Indonesia. The nearest listed city is Palembang, 105 km away.

Topography around Muntok

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

Within 3 km, the terrain around Muntok has only modest variations in elevation — a maximum elevation change of 56 m around an average of 17 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 448 m; within 80 km, large variations in elevation — a maximum elevation change of 658 m.

The land around Muntok is covered by trees (37%) and water (36%) within 3 km, water (64%) and trees (27%) within 16 km, and water (49%) and trees (28%) within 80 km.

3 km
56 m
16 km
448 m
80 km
658 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Palembang 105 km · Pangkalpinang 106 km · Sungailiat 109 km · Indralaya 142 km · Simpang 148 km · Jambi City 179 km · Prabumulih 184 km · Mendaha 210 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 Muntok (-2.0672°, 105.1623°, 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).