Bulakamba weather in January

In January, Bulakamba sees average daytime highs of 29°C and overnight lows near 26°C, with 345 mm of rain across 29.1 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 29°C through the month. The sky is clear or mostly clear about 3% of the time in January, and the air most often feels miserable.

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 Bulakamba's 10th-clearest and 1st-windiest month. For the whole year in context, see Bulakamba's year-round climate.

Daytime high
29°
11th warmest
Overnight low
26°
7th coldest
Rainfall
345 mm
29.1 wet days
Daylight
12 h 24 min
5:43 AM – 6:04 PM
Cloud cover
88%
10th clearest
Wind
10 km/h
1st windiest
Solar energy
4.96 kWh/m²
Travel score
2.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January 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 30°C. Set against its neighbours, January runs on par with December and on par with February.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How January really feels in Bulakamba

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.

Bulakamba 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
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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41189
51288
61288
71288
81387
91387
101387
111288
121288
131387
141387
151288
161288
171189
181189
191189
201090
21991
22991
23892
24793
25793
26694
27694
28694
29595
30496
31496

Chance of precipitation in January

Any precipitation

Bulakamba gets around 345 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 99% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
491
590
690
790
891
991
1091
1191
1292
1392
1493
1593
1694
1794
1895
1996
2096
2197
2297
2398
2498
2598
2698
2799
2899
2999
3099
3199

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13763
23763
33862
43862
53862
63961
73961
84060
94060
104159
114159
124159
134159
144060
154060
163961
173961
183862
193763
203664
213565
223466
233466
243367
253367
263268
273268
283268
293268
303268
313268

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 11 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:36 AM to 5:48 AM, and sunset from 5:59 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:365:59
212.45:366:00
312.45:376:00
412.45:376:00
512.45:386:01
612.45:386:01
712.45:386:01
812.45:396:02
912.45:396:02
1012.45:406:02
1112.45:406:03
1212.45:416:03
1312.45:416:03
1412.45:426:04
1512.45:426:04
1612.45:436:04
1712.45:436:04
1812.45:446:05
1912.35:446:05
2012.35:446:05
2112.35:456:05
2212.35:456:06
2312.35:466:06
2412.35:466:06
2512.35:466:06
2612.35:476:06
2712.35:476:06
2812.35:476:06
2912.35:486:06
3012.35:486:06
3112.35:486:07

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.96 kWh/m² — the year's lowest.

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 — January's 4.96 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Hazard calendar for Bulakamba

In seasonPeak

In January, 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 January a good time to visit Bulakamba?

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

2.9
Sightseeing
9th-best month of the year
3.8
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Bulakamba.

What to pack for Bulakamba in January

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

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

light clothesrain gearsun protection

Sea temperature near Bulakamba 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 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 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
January 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).