Pasuruan weather in January

In January, Pasuruan sees average daytime highs of 29°C and overnight lows near 24°C, with 376 mm of rain across 29.4 wet days and about 12.4 hours of daylight. It is the 10th-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 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 Pasuruan's 11th-clearest and 9th-windiest month. For the whole year in context, see Pasuruan's year-round climate.

Daytime high
29°
10th warmest
Overnight low
24°
8th coldest
Rainfall
376 mm
29.4 wet days
Daylight
12 h 24 min
5:26 AM – 5:50 PM
Cloud cover
88%
11th clearest
Wind
4 km/h
9th windiest
Solar energy
4.6 kWh/m²
Travel score
2.9
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 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 Pasuruan reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°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)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How January really feels in Pasuruan

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.

Pasuruan weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 1st-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 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 7% of January, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21189
31189
41189
51288
61288
71288
81387
91387
101387
111387
121387
131189
141189
151189
161090
171090
18991
19892
20892
21892
22793
23793
24694
25694
26694
27595
28595
29595
30595
31595

Chance of precipitation in January

Any precipitation

Pasuruan gets around 376 mm of rain over 29.4 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1694
1794
1894
1995
2095
2195
2295
2395
2496
2596
2696
2796
2896
2996
3096
3196

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1946
2946
3946
4955
5955
6955
7955
8955
9955
10955
11955
12955
13955
14964
15964
16955
17955
18955
19955
20955
21955
22955
23955
24955
25955
26955
27955
28955
29955
30955
31955

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 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
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:18 AM to 5:32 AM, and sunset from 5:45 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:185:45
212.45:195:45
312.45:195:45
412.45:205:46
512.45:205:46
612.45:215:47
712.45:215:47
812.45:225:47
912.45:225:48
1012.45:235:48
1112.45:235:48
1212.45:245:49
1312.45:245:49
1412.45:255:49
1512.45:255:49
1612.45:265:50
1712.45:265:50
1812.45:275:50
1912.45:275:50
2012.45:275:51
2112.45:285:51
2212.45:285:51
2312.45:295:51
2412.45:295:51
2512.45:295:51
2612.45:305:51
2712.45:305:52
2812.45:315:52
2912.35:315:52
3012.35:315:52
3112.35:325:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.6 kWh/m² — the year's lowest.

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 — January's 4.6 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
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 January

Hazard calendar for Pasuruan

In seasonPeak

In January, 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 January a good time to visit Pasuruan?

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

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

January is a weaker month for outdoor sightseeing in Pasuruan.

What to pack for Pasuruan in January

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

In January, Pasuruan sees daytime highs around 29°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 Pasuruan 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 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 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 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 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 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
January 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).