Bangkalan weather in December

In December, Bangkalan sees average daytime highs of 29°C and overnight lows near 26°C, with 280 mm of rain across 28.8 wet days and about 12.4 hours of daylight. It is the 7th-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 5% of the time in December, and the air most often feels miserable.

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 Bangkalan's 10th-clearest and 7th-windiest month. For the whole year in context, see Bangkalan's year-round climate.

Daytime high
29°
7th warmest
Overnight low
26°
7th coldest
Rainfall
280 mm
28.8 wet days
Daylight
12 h 24 min
5:13 AM – 5:37 PM
Cloud cover
86%
10th clearest
Wind
11 km/h
7th windiest
Solar energy
5.17 kWh/m²
Travel score
3.0
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 Bangkalan 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, December runs on par with November and on par with January.

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 December really feels in Bangkalan

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.

Bangkalan weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°30529.612.43.0
Feb29° / 26°26626.812.23.0
Mar29° / 26°23728.7123.1
Apr29° / 27°19623.811.83.5
May30° / 27°10114.911.74.7
Jun29° / 26°649.511.65.6
Jul29° / 26°294.811.66.5
Aug29° / 26°71.611.86.8
Sep30° / 26°203.1126.2
Oct30° / 27°7511.712.24.9
Nov30° / 27°17023.412.33.5
Dec29° / 26°28028.812.43.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51585
61585
71585
81585
91585
101387
111387
121387
131387
141189
151189
161189
171189
181189
191288
201090
211090
221090
231189
241189
251189
261189
271189
281288
291288
301288
311387

Chance of precipitation in December

Any precipitation

Bangkalan gets around 280 mm of rain over 28.8 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
391
491
592
692
793
893
994
1094
1194
1294
1394
1494
1594
1694
1794
1894
1994
2093
2193
2293
2392
2492
2592
2692
2792
2892
2993
3093
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13961
23961
33862
43862
53763
63664
73565
83565
93466
103367
113367
123367
133367
143367
153466
163466
173565
183565
193664
203664
213664
223763
233763
243763
253763
263763
273862
283862
293862
303862
313862

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 5:07 AM to 5:20 AM, and sunset from 5:30 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:075:30
212.45:085:31
312.45:085:31
412.45:085:32
512.45:095:32
612.45:095:33
712.45:095:33
812.45:105:34
912.45:105:34
1012.45:115:35
1112.45:115:35
1212.45:115:35
1312.45:125:36
1412.45:125:36
1512.45:135:37
1612.45:135:37
1712.45:135:38
1812.45:145:38
1912.45:145:39
2012.45:155:39
2112.45:155:40
2212.45:165:40
2312.45:165:41
2412.45:175:41
2512.45:175:42
2612.45:185:42
2712.45:185:43
2812.45:195:43
2912.45:195:43
3012.45:205:44
3112.45:205:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.17 kWh/m².

For context, solar energy here swings from a low near 5.11 kWh/m² to a high of 6.83 kWh/m² in September across the year — December's 5.17 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Bangkalan

In seasonPeak

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

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

Bangkalan'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 Bangkalan?

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

3.0
Sightseeing
10th-best month of the year
3.9
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Bangkalan.

What to pack for Bangkalan in December

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

In December, Bangkalan 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 Bangkalan 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 23 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
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Bangkalan 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 Bangkalan peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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 highExtremeMar 17UV 13Jun 16UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec11Extreme

Air quality in Bangkalan 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 Bangkalan is worst in October — around 41 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorOct 2141 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb24Moderate
Mar32Moderate
Apr36Poor
May38Poor
Jun36Poor
Jul32Moderate
Aug29Moderate
Sep33Moderate
Oct41Poor
Nov39Poor
Dec34Moderate
Location & terrain

Where is Bangkalan?

Bangkalan sits at 7.0°S, 112.7°E, 4 m above sea level, in Indonesia. The nearest listed city is Kamal, 14 km away.

Topography around Bangkalan

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

Within 3 km, the terrain around Bangkalan has only modest variations in elevation — a maximum elevation change of 20 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,129 m.

The land around Bangkalan is covered by cropland (24%) and trees (20%) within 3 km, water (49%) and trees (20%) within 16 km, and water (48%) and cropland (22%) within 80 km.

3 km
20 m
16 km
130 m
80 km
3,129 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Kamal 14 km · Gresik 15 km · Kebomas 18 km · Surabaya 23 km · Lamongan 36 km · Driyorejo 38 km · Gedangan 38 km · Buduran 43 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 Bangkalan (-7.0455°, 112.7351°, elevation 4 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).