Cikarang weather in January

In January, Cikarang sees average daytime highs of 30°C and overnight lows near 24°C, with 343 mm of rain across 29.1 wet days and about 12.3 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Cikarang's 10th-clearest and 1st-windiest month. For the whole year in context, see Cikarang's year-round climate.

Daytime high
30°
11th warmest
Overnight low
24°
6th coldest
Rainfall
343 mm
29.1 wet days
Daylight
12 h 18 min
5:51 AM – 6:10 PM
Cloud cover
88%
10th clearest
Wind
10 km/h
1st windiest
Solar energy
4.82 kWh/m²
Travel score
2.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Cikarang reaches about 30°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 28°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How January really feels in Cikarang

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cikarang weather by month

How January compares with the rest of the year at a glance. January 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
Jan30° / 24°34329.112.32.8
Feb30° / 24°32726.912.22.7
Mar30° / 24°30029.3122.6
Apr31° / 24°23626.911.92.7
May31° / 24°13521.111.73.3
Jun31° / 24°8915.411.64.0
Jul31° / 23°6611.511.74.5
Aug31° / 23°387.811.84.6
Sep32° / 24°5911124.0
Oct32° / 24°15720.412.13.1
Nov31° / 24°27126.912.32.6
Dec30° / 24°30227.912.42.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
41090
51090
61090
71090
81090
91090
101090
111090
121090
131090
141090
15991
16991
17991
18892
19793
20694
21694
22694
23595
24595
25595
26496
27397
28397
29397
30397
31397

Chance of precipitation in January

Any precipitation

Cikarang gets around 343 mm of rain over 29.1 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 98% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
291
391
491
591
691
791
891
991
1092
1192
1292
1392
1493
1593
1694
1794
1895
1995
2095
2196
2296
2397
2497
2597
2697
2797
2898
2998
3098
3198

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
17921
27921
37921
47921
58020
68020
78020
88020
98020
108020
118020
128020
138119
148119
158020
168020
178020
187921
197921
207921
217822
227822
237822
247723
257723
267723
277723
287723
297723
307723
317723

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:44 AM to 5:57 AM, and sunset from 6:05 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:05
212.45:446:06
312.45:456:06
412.45:456:06
512.45:466:07
612.45:466:07
712.35:476:08
812.35:476:08
912.35:486:08
1012.35:486:09
1112.35:496:09
1212.35:496:09
1312.35:506:10
1412.35:506:10
1512.35:506:10
1612.35:516:10
1712.35:516:11
1812.35:526:11
1912.35:526:11
2012.35:536:11
2112.35:536:12
2212.35:536:12
2312.35:546:12
2412.35:546:12
2512.35:546:12
2612.35:556:12
2712.35:556:13
2812.35:566:13
2912.35:566:13
3012.35:566:13
3112.35:576:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.82 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.43 kWh/m² in September across the year — January's 4.82 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.7Bright
Planning a trip in January

Hazard calendar for Cikarang

In seasonPeak

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

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

Cikarang'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 January a good time to visit Cikarang?

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

2.8
Sightseeing
7th-best month of the year
3.8
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Cikarang.

What to pack for Cikarang in January

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

In January, Cikarang sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Cikarang in January

The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 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 Cikarang in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Cikarang peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 14 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 17UV 14Nov 14UV 6
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct9Very high
Nov6High
Dec11Extreme

Air quality in Cikarang in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Cikarang is worst in May — around 69 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyMay 1268 µg/m³Jan 2248 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb48Poor
Mar62Unhealthy
Apr68Unhealthy
May69Unhealthy
Jun65Unhealthy
Jul58Unhealthy
Aug59Unhealthy
Sep64Unhealthy
Oct68Unhealthy
Nov69Unhealthy
Dec50Poor
Location & terrain

Where is Cikarang?

Cikarang sits at 6.3°S, 107.2°E, 17 m above sea level, in Indonesia. The nearest listed city is Bekasi, 18 km away.

Topography around Cikarang

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

Within 3 km, the terrain around Cikarang has only modest variations in elevation — a maximum elevation change of 27 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 77 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,001 m.

The land around Cikarang is covered by artificial surfaces (65%) within 3 km, cropland (40%) and artificial surfaces (37%) within 16 km, and trees (33%) and water (33%) within 80 km.

3 km
27 m
16 km
77 m
80 km
3,001 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Bekasi 18 km · Karawang 19 km · Rengasdengklok 20 km · Utan 25 km · Cileungsir 26 km · Jakarta 34 km · Cikampek 38 km · Citeureup 39 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 Cikarang (-6.2611°, 107.1528°, elevation 17 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).