Bulakamba weather in December

In December, Bulakamba sees average daytime highs of 29°C and overnight lows near 26°C, with 305 mm of rain across 28.2 wet days and about 12.4 hours of daylight. It is the 9th-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 miserable.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Bulakamba's 11th-clearest and 6th-windiest month. For the whole year in context, see Bulakamba's year-round climate.

Daytime high
29°
9th warmest
Overnight low
26°
9th coldest
Rainfall
305 mm
28.2 wet days
Daylight
12 h 24 min
5:28 AM – 5:52 PM
Cloud cover
88%
11th clearest
Wind
8 km/h
6th windiest
Solar energy
5 kWh/m²
Travel score
2.9
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 Bulakamba reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How December really feels in Bulakamba

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.

Bulakamba weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°34529.112.42.9
Feb29° / 26°29627.212.22.9
Mar29° / 26°27229.1122.9
Apr30° / 26°20626.111.93.1
May30° / 26°11318.511.74.1
Jun30° / 26°7512.211.64.9
Jul30° / 25°447.511.65.7
Aug30° / 25°214.911.85.9
Sep30° / 25°285.1125.4
Oct31° / 26°9212.812.24.4
Nov30° / 26°21623.112.33.3
Dec29° / 26°30528.212.42.9

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 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21090
31090
4991
5991
6991
7892
8892
9892
10892
11991
12991
13991
14991
15991
16991
17892
18892
19892
20892
21892
22892
23892
24892
25892
26892
27892
28892
29892
30991
31991

Chance of precipitation in December

Any precipitation

Bulakamba gets around 305 mm of rain over 28.2 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 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
287
387
488
588
689
790
890
990
1091
1191
1291
1392
1492
1592
1692
1792
1892
1992
2092
2191
2291
2391
2491
2591
2691
2791
2891
2991
3091
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 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13961
23862
33763
43664
53565
63466
73367
83367
93268
103268
113169
123169
133268
143268
153367
163367
173466
183565
193565
203664
213664
223763
233763
243763
253763
263763
273763
283763
293763
303763
313763

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 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 5:23 AM to 5:36 AM, and sunset from 5:45 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:235:45
212.45:235:46
312.45:235:46
412.45:245:46
512.45:245:47
612.45:245:47
712.45:255:48
812.45:255:48
912.45:265:49
1012.45:265:49
1112.45:265:50
1212.45:275:50
1312.45:275:51
1412.45:285:51
1512.45:285:52
1612.45:285:52
1712.45:295:53
1812.45:295:53
1912.45:305:54
2012.45:305:54
2112.45:315:55
2212.45:315:55
2312.45:325:56
2412.45:325:56
2512.45:335:57
2612.45:335:57
2712.45:345:57
2812.45:345:58
2912.45:355:58
3012.45:355:59
3112.45:365:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 6.35 kWh/m² in September across the year — December's 5 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Bulakamba

In seasonPeak

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

Bulakamba sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Bulakamba's monsoon runs November–April, when most of the year's rain falls.

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

Is December a good time to visit Bulakamba?

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

2.9
Sightseeing
9th-best month of the year
3.9
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Bulakamba.

What to pack for Bulakamba in December

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

In December, Bulakamba sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Bulakamba in December

The nearest coast averages about 30°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in May at about 30°C and coldest in February 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
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Bulakamba 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 Bulakamba peaks around March 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 14UV 13Nov 16UV 7
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov7High
Dec12Extreme

Air quality in Bulakamba 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 Bulakamba is worst in May — around 54 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorMay 1654 µg/m³Aug 2244 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb46Poor
Mar52Poor
Apr51Poor
May54Poor
Jun51Poor
Jul46Poor
Aug44Poor
Sep44Poor
Oct45Poor
Nov44Poor
Dec46Poor
Location & terrain

Where is Bulakamba?

Bulakamba sits at 6.9°S, 109.0°E, 5 m above sea level, in Indonesia. The nearest listed city is Ketanggungan, 10 km away.

Topography around Bulakamba

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

Within 3 km, the terrain around Bulakamba has only modest variations in elevation — a maximum elevation change of 12 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Bulakamba is covered by cropland (72%) within 3 km, cropland (44%) and water (32%) within 16 km, and trees (43%), water (31%) and cropland (20%) within 80 km.

3 km
12 m
16 km
72 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Ketanggungan 10 km · Dukuhturi 14 km · Tegal 20 km · Adiwerna 21 km · Slawi 24 km · Tarub 24 km · Balapulang 25 km · Margasari 26 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 Bulakamba (-6.8748°, 108.9559°, elevation 5 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).