Sungailiat weather in December

In December, Sungailiat sees average daytime highs of 29°C and overnight lows near 25°C, with 378 mm of rain across 30.1 wet days and about 12.1 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 06 min by month's end. Set against the rest of the year, December is Sungailiat's 12th-clearest and 6th-windiest month. For the whole year in context, see Sungailiat's year-round climate.

Daytime high
29°
11th warmest
Overnight low
25°
3rd coldest
Rainfall
378 mm
30.1 wet days
Daylight
12 h 06 min
5:48 AM – 5:55 PM
Cloud cover
94%
12th clearest
Wind
11 km/h
6th windiest
Solar energy
4.18 kWh/m²
Travel score
2.9
out of 10

Sungailiat is district in Bangka Regency, Bangka Belitung Islands Province, Indonesia.

Density
687/km²
people per km²

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 Sungailiat 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 27°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
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How December really feels in Sungailiat

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.

Sungailiat 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
Jan28° / 25°26326.512.13.4
Feb29° / 25°19321.512.13.7
Mar29° / 25°25126.1123.2
Apr30° / 25°30128.6122.8
May30° / 26°22626.511.93.1
Jun30° / 26°16821.411.93.7
Jul30° / 25°13918.111.94.2
Aug30° / 25°10613.511.94.6
Sep30° / 25°11914.1124.3
Oct30° / 25°23921.1123.6
Nov29° / 25°34728.412.12.9
Dec29° / 25°37830.112.12.9

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 2% of December, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2298
3298
4298
5298
6298
7298
8298
9298
10298
11199
12199
13199
14199
15199
16199
17199
18199
19199
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Chance of precipitation in December

Any precipitation

Sungailiat gets around 378 mm of rain over 30.1 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 96% 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
1398
1497
1597
1697
1797
1897
1997
2097
2197
2296
2396
2496
2595
2694
2794
2893
2993
3092
3191

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11684
21783
31783
41783
51783
61882
71882
81981
91981
102080
112080
122179
132179
142278
152377
162476
172476
182575
192674
202773
212971
223070
233169
243268
253367
263466
273565
283664
293763
303862
313961

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2913light breeze
3013light breeze
3113light 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 5:42 AM to 5:55 AM, and sunset from 5:48 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:425:48
212.15:435:49
312.15:435:49
412.15:435:49
512.15:445:50
612.15:445:50
712.15:455:51
812.15:455:51
912.15:455:52
1012.15:465:52
1112.15:465:53
1212.15:475:53
1312.15:475:53
1412.15:485:54
1512.15:485:54
1612.15:485:55
1712.15:495:55
1812.15:495:56
1912.15:505:56
2012.15:505:57
2112.15:515:57
2212.15:515:58
2312.15:525:58
2412.15:525:59
2512.15:535:59
2612.15:536:00
2712.15:546:00
2812.15:546:00
2912.15:556:01
3012.15:556:01
3112.15:556:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.18 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.69 kWh/m² in September across the year — December's 4.18 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
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
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in December

Is December a good time to visit Sungailiat?

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

2.9
Sightseeing
10th-best month of the year
3.6
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Sungailiat.

What to pack for Sungailiat in December

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

In December, Sungailiat sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Sungailiat 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 Sungailiat 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 Sungailiat peaks around February 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 15Jul 11UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Sungailiat 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 Sungailiat is worst in October — around 23 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1123 µg/m³Jan 1710 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May11Good
Jun11Good
Jul13Moderate
Aug16Moderate
Sep21Moderate
Oct23Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Sungailiat?

Sungailiat sits at 1.9°S, 106.1°E, 4 m above sea level, in Indonesia. The nearest listed city is Pangkalpinang, 31 km away.

Topography around Sungailiat

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

Within 3 km, the terrain around Sungailiat has only modest variations in elevation — a maximum elevation change of 58 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 279 m; within 80 km, large variations in elevation — a maximum elevation change of 666 m.

The land around Sungailiat is covered by trees (32%), water (31%) and artificial surfaces (24%) within 3 km, water (47%) and trees (40%) within 16 km, and water (55%) and trees (39%) within 80 km.

3 km
58 m
16 km
279 m
80 km
666 m
treesgrasslandartificial surfacesbare terrainwatermangroves
December weather nearby: Pangkalpinang 31 km · Muntok 109 km · Palembang 193 km · Tanjung Pandan 194 km · Indralaya 224 km · Simpang 234 km · Manggar 264 km · Prabumulih 274 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 Sungailiat (-1.8544°, 106.1222°, elevation 4 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).