Pelabuhanratu weather in December

In December, Pelabuhanratu sees average daytime highs of 27°C and overnight lows near 23°C, with 450 mm of rain across 28.9 wet days and about 12.4 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°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 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 Pelabuhanratu's 11th-clearest and 7th-windiest month. For the whole year in context, see Pelabuhanratu's year-round climate.

Daytime high
27°
11th warmest
Overnight low
23°
9th coldest
Rainfall
450 mm
28.9 wet days
Daylight
12 h 24 min
5:38 AM – 6:02 PM
Cloud cover
91%
11th clearest
Wind
7 km/h
7th windiest
Solar energy
4.41 kWh/m²
Travel score
3.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Pelabuhanratu reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°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)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722
312722

Pelabuhanratu 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
Jan27° / 22°38929.312.43.4
Feb27° / 22°34826.512.23.4
Mar28° / 23°36229.2123.4
Apr28° / 23°29726.611.93.5
May28° / 23°19721.811.74.2
Jun28° / 22°11715.711.65.1
Jul28° / 22°10212.211.66.0
Aug28° / 21°739.611.86.4
Sep28° / 22°12312.4125.8
Oct28° / 22°25720.812.24.6
Nov28° / 23°41826.312.33.7
Dec27° / 23°45028.912.43.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14595
15595
16595
17595
18595
19595
20595
21793
22793
23793
24793
25793
26694
27694
28694
29694
30694
31694

Chance of precipitation in December

Any precipitation

Pelabuhanratu gets around 450 mm of rain over 28.9 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
593
693
793
893
993
1093
1193
1293
1393
1493
1593
1693
1793
1893
1992
2092
2192
2293
2393
2493
2593
2693
2794
2894
2994
3094
3194

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1595
2595
3595
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14595
15595
16694
17694
18793
19793
20793
21892
22892
23892
24892
25892
26892
27892
28892
29793
30793
31793

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:32 AM to 5:45 AM, and sunset from 5:55 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:325:55
212.45:335:55
312.45:335:56
412.45:335:56
512.45:345:57
612.45:345:57
712.45:345:58
812.45:355:58
912.45:355:59
1012.45:355:59
1112.45:366:00
1212.45:366:00
1312.45:376:01
1412.45:376:01
1512.45:376:02
1612.45:386:02
1712.45:386:03
1812.45:396:03
1912.45:396:04
2012.45:406:04
2112.45:406:04
2212.45:416:05
2312.45:416:05
2412.45:426:06
2512.45:426:06
2612.45:426:07
2712.45:436:07
2812.45:436:08
2912.45:446:08
3012.45:446:09
3112.45:456:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.41 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.82 kWh/m² in September across the year — December's 4.41 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Pelabuhanratu

In seasonPeak

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

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

Pelabuhanratu's rainy season runs October–April, when most of the year's rain falls.

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

Is December a good time to visit Pelabuhanratu?

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

3.5
Sightseeing
8th-best month of the year
3.6
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Pelabuhanratu.

What to pack for Pelabuhanratu in December

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

In December, Pelabuhanratu sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.

rain gearlight clothes

Sea temperature near Pelabuhanratu 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 25 km away) is warmest in April at about 29°C and coldest in September near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug27Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Pelabuhanratu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pelabuhanratu peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 11UV 16Nov 15UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov6High
Dec13Extreme

Air quality in Pelabuhanratu 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 Pelabuhanratu is worst in May — around 104 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (January, 54 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyMay 23104 µg/m³Jan 1054 µg/m³
PM2.5 (µg/m³)Level
Jan54Poor
Feb60Unhealthy
Mar69Unhealthy
Apr83Unhealthy
May104Unhealthy
Jun102Unhealthy
Jul100Unhealthy
Aug87Unhealthy
Sep77Unhealthy
Oct73Unhealthy
Nov69Unhealthy
Dec54Poor
Location & terrain

Where is Pelabuhanratu?

Pelabuhanratu sits at 7.0°S, 106.6°E, 21 m above sea level, in Indonesia. The nearest listed city is Cicurug, 34 km away.

Topography around Pelabuhanratu

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

Within 3 km, the terrain around Pelabuhanratu has large variations in elevation — a maximum elevation change of 606 m around an average of 111 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,623 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,993 m.

The land around Pelabuhanratu is covered by trees (60%) and water (22%) within 3 km, trees (68%) and water (24%) within 16 km, and trees (60%) and water (30%) within 80 km.

3 km
606 m
16 km
1,623 m
80 km
2,993 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Cicurug 34 km · Sukabumi 42 km · Caringin 43 km · Ciampea 51 km · Bogor 51 km · Cibinong 65 km · Parung 66 km · Citeureup 67 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 Pelabuhanratu (-6.9875°, 106.5514°, elevation 21 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).