Mojokerto weather in January

In January, Mojokerto sees average daytime highs of 30°C and overnight lows near 23°C, with 517 mm of rain across 29.6 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 30°C through the month. The sky is clear or mostly clear about 1% 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 Mojokerto's 11th-clearest and 2nd-windiest month. For the whole year in context, see Mojokerto's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
10th coldest
Rainfall
517 mm
29.6 wet days
Daylight
12 h 24 min
5:28 AM – 5:51 PM
Cloud cover
90%
11th clearest
Wind
6 km/h
2nd windiest
Solar energy
4.65 kWh/m²
Travel score
2.7
out of 10

Mojokerto is city in East Java Province, Indonesia.

Density
8,562/km²
people per km²
Founded
1918

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 30°C through the month.

A typical January day in Mojokerto reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Mojokerto

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.

Mojokerto 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° / 23°51729.612.42.7
Feb30° / 23°50227.412.22.6
Mar30° / 23°46329.312.12.7
Apr30° / 23°27924.411.83.1
May31° / 22°10915.411.74.1
Jun30° / 21°569.711.64.9
Jul30° / 21°295.711.65.3
Aug31° / 21°143.611.85.2
Sep32° / 21°314.7124.5
Oct32° / 22°11012.312.23.6
Nov32° / 23°28322.212.32.9
Dec30° / 23°44728.512.42.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 4% of January, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4793
5793
6892
7892
8892
9991
10991
11892
12892
13892
14793
15793
16793
17793
18694
19694
20694
21595
22595
23496
24397
25397
26397
27298
28298
29298
30298
31397

Chance of precipitation in January

Any precipitation

Mojokerto gets around 517 mm of rain over 29.6 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 99% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
692
792
892
992
1092
1193
1293
1393
1494
1594
1695
1795
1896
1997
2097
2198
2298
2398
2499
2599
2699
2799
2899
2999
3099
3199

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
13961
23961
33961
42971
52971
62971
72971
82971
92971
101981
111981
121981
131981
141981
151981
161981
171981
180991
190991
200982
210982
220982
230982
240982
250982
260982
270982
280982
290982
300982
310982

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:21 AM to 5:34 AM, and sunset from 5:46 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:215:46
212.45:215:47
312.45:225:47
412.45:225:47
512.45:235:48
612.45:235:48
712.45:245:49
812.45:245:49
912.45:255:49
1012.45:255:50
1112.45:265:50
1212.45:265:50
1312.45:265:50
1412.45:275:51
1512.45:275:51
1612.45:285:51
1712.45:285:52
1812.45:295:52
1912.45:295:52
2012.45:305:52
2112.45:305:52
2212.45:305:53
2312.45:315:53
2412.45:315:53
2512.45:325:53
2612.45:325:53
2712.35:325:53
2812.35:335:53
2912.35:335:53
3012.35:335:53
3112.35:345:53

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.65 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.43 kWh/m² in September across the year — January's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in January

Hazard calendar for Mojokerto

In seasonPeak

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

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

Mojokerto'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 Mojokerto?

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

2.7
Sightseeing
9th-best month of the year
3.7
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Mojokerto.

What to pack for Mojokerto in January

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

In January, Mojokerto sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Mojokerto 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 50 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
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Mojokerto 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 Mojokerto peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeExtremeMar 18UV 13Jun 15UV 7
UV index (midday)Level
Jan12Extreme
Feb10Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec11Extreme

Air quality in Mojokerto 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 Mojokerto is worst in May — around 101 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyMay 13101 µg/m³Aug 2267 µg/m³
PM2.5 (µg/m³)Level
Jan76Unhealthy
Feb71Unhealthy
Mar87Unhealthy
Apr99Unhealthy
May101Unhealthy
Jun95Unhealthy
Jul81Unhealthy
Aug66Unhealthy
Sep69Unhealthy
Oct80Unhealthy
Nov87Unhealthy
Dec81Unhealthy
Location & terrain

Where is Mojokerto?

Mojokerto sits at 7.5°S, 112.4°E, 25 m above sea level, in Indonesia. The nearest listed city is Soko, 2.0 km away.

Topography around Mojokerto

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

Within 3 km, the terrain around Mojokerto has only modest variations in elevation — a maximum elevation change of 13 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 173 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,306 m.

The land around Mojokerto is covered by artificial surfaces (50%), cropland (24%) and trees (21%) within 3 km, cropland (51%), trees (26%) and artificial surfaces (20%) within 16 km, and trees (38%) and cropland (30%) within 80 km.

3 km
13 m
16 km
173 m
80 km
3,306 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Soko 2.0 km · Mojoagung 14 km · Krian 17 km · Driyorejo 24 km · Jombang 24 km · Tulangan Utara 24 km · Diwek 26 km · Tanggulangin 30 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 Mojokerto (-7.4664°, 112.4338°, elevation 25 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).