Pasuruan weather in December

In December, Pasuruan sees average daytime highs of 29°C and overnight lows near 25°C, with 321 mm of rain across 28.4 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 3rd-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 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 Pasuruan's 10th-clearest and 11th-windiest month. For the whole year in context, see Pasuruan's year-round climate.

Daytime high
29°
5th warmest
Overnight low
25°
10th coldest
Rainfall
321 mm
28.4 wet days
Daylight
12 h 24 min
5:11 AM – 5:38 PM
Cloud cover
87%
10th clearest
Wind
4 km/h
11th windiest
Solar energy
4.62 kWh/m²
Travel score
3.0
out of 10

Pasuruan is city in East Java Province, Indonesia.

Density
6,049/km²
people per km²
Founded
1686

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Pasuruan reaches about 29°C in the afternoon and slips back to 25°C overnight — a 5°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, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292924
302924
312924

How December really feels in Pasuruan

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.

Pasuruan weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°37629.412.42.9
Feb29° / 24°33726.812.32.9
Mar29° / 24°27827.612.13.2
Apr29° / 25°15021.311.83.8
May30° / 24°4310.911.75.2
Jun29° / 23°256.711.65.9
Jul29° / 22°133.411.66.5
Aug29° / 22°41.311.76.7
Sep30° / 23°101.8126.1
Oct31° / 24°347.112.25.0
Nov30° / 25°12818.312.33.7
Dec29° / 25°32128.412.43.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21684
31684
41486
51387
61387
71288
81288
91090
101090
11991
12991
13991
14892
15793
16892
17892
18793
19793
20793
21793
22793
23793
24793
25793
26793
27793
28892
29892
30991
311090

Chance of precipitation in December

Any precipitation

Pasuruan gets around 321 mm of rain over 28.4 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 91% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
283
384
485
586
687
788
889
990
1091
1192
1292
1393
1493
1594
1694
1794
1894
1994
2094
2194
2293
2393
2493
2593
2693
2793
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 (%)Miserable (%)
11963
21963
31954
41954
51954
61954
71954
81945
91945
101945
111945
121945
130946
140946
150946
160946
170946
180946
190946
200946
210946
220946
230946
240946
250946
260937
270937
280946
290946
300946
310946

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:06 AM to 5:18 AM, and sunset from 5:31 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:065:31
212.45:065:31
312.45:065:31
412.45:075:32
512.45:075:32
612.45:075:33
712.45:085:33
812.45:085:34
912.45:085:34
1012.45:095:35
1112.45:095:35
1212.45:105:36
1312.45:105:36
1412.45:105:37
1512.45:115:37
1612.45:115:38
1712.45:125:38
1812.45:125:39
1912.45:135:39
2012.45:135:40
2112.45:145:40
2212.45:145:41
2312.45:145:41
2412.45:155:42
2512.45:155:42
2612.45:165:43
2712.45:165:43
2812.45:175:43
2912.45:175:44
3012.45:185:44
3112.45:185:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.62 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.22 kWh/m² in October across the year — December's 4.62 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Pasuruan

In seasonPeak

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

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

Pasuruan's monsoon runs December–March, 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 Pasuruan?

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 Pasuruan.

What to pack for Pasuruan in December

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

In December, Pasuruan sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Pasuruan in December

The nearest coast averages about 30°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Pasuruan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pasuruan peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 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 highExtremeMar 18UV 13Jun 16UV 7
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun7High
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec10Extreme

Air quality in Pasuruan 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 Pasuruan is worst in March — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (August, 36 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyUnhealthyPoorMar 1759 µg/m³Aug 1636 µg/m³
PM2.5 (µg/m³)Level
Jan57Unhealthy
Feb53Poor
Mar60Unhealthy
Apr54Poor
May45Poor
Jun43Poor
Jul39Poor
Aug36Poor
Sep39Poor
Oct48Poor
Nov52Poor
Dec56Unhealthy
Location & terrain

Where is Pasuruan?

Pasuruan sits at 7.6°S, 112.9°E, 9 m above sea level, in Indonesia. The nearest listed city is Bangil, 11 km away.

Topography around Pasuruan

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

Within 3 km, the terrain around Pasuruan has only modest variations in elevation — a maximum elevation change of 18 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,635 m.

The land around Pasuruan is covered by artificial surfaces (42%) and water (20%) within 3 km, water (38%), cropland (22%) and trees (20%) within 16 km, and trees (44%) and water (27%) within 80 km.

3 km
18 m
16 km
319 m
80 km
3,635 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Bangil 11 km · Pandaan 24 km · Tanggulangin 28 km · Sidoarjo 30 km · Buduran 32 km · Lawang 32 km · Prigen 32 km · Tulangan Utara 34 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 Pasuruan (-7.6453°, 112.9075°, elevation 9 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).