Batang weather in December

In December, Batang sees average daytime highs of 29°C and overnight lows near 25°C, with 420 mm of rain across 29.5 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 oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Batang's 10th-clearest and 7th-windiest month. For the whole year in context, see Batang's year-round climate.

Daytime high
29°
9th warmest
Overnight low
25°
6th coldest
Rainfall
420 mm
29.5 wet days
Daylight
12 h 24 min
5:22 AM – 5:45 PM
Cloud cover
89%
10th clearest
Wind
9 km/h
7th windiest
Solar energy
5.12 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 Batang 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 about 1°C cooler than 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 Batang

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.

Batang 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
Jan28° / 25°44130.112.33.0
Feb28° / 25°37027.112.23.0
Mar29° / 25°32629.1123.0
Apr29° / 25°24926.111.93.2
May30° / 25°12619.111.74.1
Jun29° / 25°8513.511.64.9
Jul29° / 24°458.811.75.7
Aug29° / 24°215.511.86.0
Sep30° / 24°325.9125.5
Oct30° / 25°10813.312.14.5
Nov30° / 25°25624.412.33.2
Dec29° / 25°42029.512.42.9

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 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
3991
4991
5991
6991
7892
8892
9892
10892
11892
12892
13892
14793
15793
16793
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27694
28694
29694
30694
31793

Chance of precipitation in December

Any precipitation

Batang gets around 420 mm of rain over 29.5 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
293
393
494
594
694
795
895
995
1095
1195
1295
1396
1496
1595
1695
1795
1895
1995
2095
2195
2295
2395
2495
2595
2696
2796
2896
2996
3096
3196

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16931
26832
36733
46634
56535
66436
76337
86238
96139
106040
115941
125941
135842
145842
155842
165842
175941
185941
195941
206040
216040
226139
236139
246238
256238
266238
276337
286337
296337
306337
316337

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 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 6 minutes over December. Sunrise moves from 5:16 AM to 5:29 AM, and sunset from 5:37 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:165:37
212.45:175:38
312.45:175:38
412.45:175:39
512.45:185:39
612.45:185:40
712.45:185:40
812.45:195:41
912.45:195:41
1012.45:205:42
1112.45:205:42
1212.45:205:43
1312.45:215:43
1412.45:215:44
1512.45:225:44
1612.45:225:45
1712.45:235:45
1812.45:235:46
1912.45:235:46
2012.45:245:46
2112.45:245:47
2212.45:255:47
2312.45:255:48
2412.45:265:48
2512.45:265:49
2612.45:275:49
2712.45:275:50
2812.45:285:50
2912.45:285:51
3012.45:295:51
3112.45:295:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4.94 kWh/m² to a high of 6.79 kWh/m² in September across the year — December's 5.12 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
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 Batang

In seasonPeak

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

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

Batang'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 Batang?

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

2.9
Sightseeing
12th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Batang.

What to pack for Batang in December

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

In December, Batang 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 Batang 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 at the nearest coast (about 15 km away) is warmest in November at about 30°C and coldest in August 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
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Batang 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 Batang peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 17UV 14Nov 14UV 8
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct10Extreme
Nov7Very high
Dec12Extreme

Air quality in Batang 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 Batang is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1944 µg/m³Feb 1129 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb29Moderate
Mar35Poor
Apr39Poor
May45Poor
Jun42Poor
Jul38Poor
Aug35Poor
Sep37Poor
Oct39Poor
Nov37Poor
Dec34Moderate
Location & terrain

Where is Batang?

Batang sits at 6.5°S, 110.7°E, 14 m above sea level, in Indonesia. The nearest listed city is Mlonggo, 5.0 km away.

Topography around Batang

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

Within 3 km, the terrain around Batang has only modest variations in elevation — a maximum elevation change of 49 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 448 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,562 m.

The land around Batang is covered by trees (36%), water (32%) and cropland (25%) within 3 km, water (55%) and trees (31%) within 16 km, and water (60%) within 80 km.

3 km
49 m
16 km
448 m
80 km
1,562 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Mlonggo 5.0 km · Jepara 13 km · Pecangaan 24 km · Gebog 32 km · Welahan 35 km · Baekrajan 35 km · Tayu 38 km · Kudus 38 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 Batang (-6.4846°, 110.7083°, elevation 14 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).