Cikupa weather in December

In December, Cikupa sees average daytime highs of 31°C and overnight lows near 24°C, with 275 mm of rain across 26.7 wet days and about 12.4 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 Cikupa's 11th-clearest and 1st-windiest month. For the whole year in context, see Cikupa's year-round climate.

Daytime high
31°
10th warmest
Overnight low
24°
12th coldest
Rainfall
275 mm
26.7 wet days
Daylight
12 h 24 min
5:39 AM – 6:01 PM
Cloud cover
89%
11th clearest
Wind
7 km/h
1st windiest
Solar energy
4.53 kWh/m²
Travel score
2.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Cikupa reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Cikupa

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.

Cikupa weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°27928.612.32.7
Feb30° / 24°26326.612.22.6
Mar31° / 24°25228122.6
Apr31° / 24°21926.111.92.6
May32° / 24°13421.711.73.1
Jun31° / 24°9815.811.63.7
Jul32° / 23°761311.73.9
Aug32° / 23°5510.611.83.9
Sep33° / 24°7012.4123.4
Oct33° / 24°14619.512.12.9
Nov32° / 24°23525.812.32.5
Dec31° / 24°27526.712.42.7

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 5% of December, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6694
7694
8694
9793
10793
11793
12793
13694
14694
15694
16694
17694
18694
19793
20793
21793
22793
23793
24793
25793
26793
27793
28793
29892
30892
31892

Chance of precipitation in December

Any precipitation

Cikupa gets around 275 mm of rain over 26.7 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 86% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
587
688
788
888
988
1088
1188
1287
1387
1487
1586
1686
1785
1885
1985
2084
2184
2284
2384
2484
2585
2685
2786
2886
2987
3087
3188

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116831
206931
306931
406931
506931
606931
706931
806931
907030
1007030
1107030
1207129
1307129
1407228
1507228
1607228
1707327
1817227
1917326
2017326
2117326
2217326
2317425
2417425
2517425
2617425
2717425
2817425
2907525
3007525
3107525

Wind in December

Winds average 7 km/h in December, the windiest month of the year.

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
27calm
37calm
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 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 5:34 AM to 5:46 AM, and sunset from 5:54 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:345:54
212.35:345:54
312.35:345:55
412.35:355:55
512.35:355:56
612.35:355:56
712.35:365:57
812.45:365:57
912.45:365:58
1012.45:375:58
1112.45:375:59
1212.45:385:59
1312.45:385:59
1412.45:386:00
1512.45:396:00
1612.45:396:01
1712.45:406:01
1812.45:406:02
1912.45:416:02
2012.45:416:03
2112.45:426:03
2212.45:426:04
2312.45:436:04
2412.45:436:05
2512.45:446:05
2612.45:446:06
2712.45:446:06
2812.45:456:07
2912.45:456:07
3012.45:466:07
3112.45:466:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.93 kWh/m² in September across the year — December's 4.53 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
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 Cikupa

In seasonPeak

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

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

Cikupa's rainy season runs October–May, 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 Cikupa?

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

2.7
Sightseeing
7th-best month of the year
3.9
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Cikupa.

What to pack for Cikupa in December

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

In December, Cikupa sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Cikupa 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 42 km away) is warmest in May at about 30°C and coldest in January 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
Dec29Tropical

UV index in Cikupa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cikupa peaks around March 13 at about 15 (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 highVery highMar 13UV 15Nov 15UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar16Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep10Very high
Oct10Extreme
Nov6High
Dec11Extreme

Air quality in Cikupa 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 Cikupa is worst in May — around 74 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (December, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 2073 µg/m³Dec 2438 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar51Poor
Apr62Unhealthy
May74Unhealthy
Jun69Unhealthy
Jul67Unhealthy
Aug67Unhealthy
Sep70Unhealthy
Oct69Unhealthy
Nov61Unhealthy
Dec38Poor
Location & terrain

Where is Cikupa?

Cikupa sits at 6.2°S, 106.5°E, 30 m above sea level, in Indonesia. The nearest listed city is Curug, 6.0 km away.

Topography around Cikupa

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

Within 3 km, the terrain around Cikupa has only modest variations in elevation — a maximum elevation change of 31 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,996 m.

The land around Cikupa is covered by artificial surfaces (53%) and trees (33%) within 3 km, trees (39%) and artificial surfaces (33%) within 16 km, and trees (43%) and water (33%) within 80 km.

3 km
31 m
16 km
87 m
80 km
2,996 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Curug 6.0 km · Pasarkemis 8.0 km · Tangerang 15 km · Sepatan 15 km · Kresek 18 km · Serpong 19 km · Ciputat 21 km · Teluknaga 21 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 Cikupa (-6.2364°, 106.5083°, elevation 30 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).