Tuban weather in January

In January, Tuban sees average daytime highs of 30°C and overnight lows near 25°C, with 323 mm of rain across 29.5 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 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 Tuban's 11th-clearest and 2nd-windiest month. For the whole year in context, see Tuban's year-round climate.

Daytime high
30°
11th warmest
Overnight low
25°
6th coldest
Rainfall
323 mm
29.5 wet days
Daylight
12 h 24 min
5:30 AM – 5:52 PM
Cloud cover
89%
11th clearest
Wind
10 km/h
2nd windiest
Solar energy
4.95 kWh/m²
Travel score
2.6
out of 10

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 Tuban reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How January really feels in Tuban

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.

Tuban 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° / 25°32329.512.42.6
Feb30° / 25°29927.312.22.5
Mar30° / 25°29429122.6
Apr31° / 25°21224.911.93.0
May31° / 25°971611.74.0
Jun31° / 24°559.811.64.8
Jul31° / 24°305.211.65.3
Aug31° / 23°102.711.85.5
Sep32° / 24°264.4124.7
Oct32° / 25°8612.712.23.7
Nov31° / 25°21023.612.32.8
Dec31° / 25°31628.112.42.6

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 6% of January, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
61090
71090
81090
91090
101090
111090
121090
131090
141090
151090
16991
17991
18991
19892
20892
21892
22793
23793
24694
25694
26694
27694
28694
29595
30595
31595

Chance of precipitation in January

Any precipitation

Tuban gets around 323 mm of rain over 29.5 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 (%)
191
291
391
492
592
692
792
892
992
1092
1192
1293
1393
1493
1594
1694
1795
1895
1996
2096
2197
2297
2398
2498
2598
2698
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 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15446
25446
35545
45545
55545
65545
75644
85644
95644
105743
115743
125743
135743
145743
155743
165743
175644
185644
195545
205545
215446
225446
235446
245446
255446
265446
275446
285446
295545
305545
315644

Wind in January

Winds average 10 km/h in January.

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
99calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
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 5:23 AM to 5:36 AM, and sunset from 5:47 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:235:47
212.45:245:47
312.45:245:48
412.45:255:48
512.45:255:48
612.45:265:49
712.45:265:49
812.45:265:49
912.45:275:50
1012.45:275:50
1112.45:285:50
1212.45:285:51
1312.45:295:51
1412.45:295:51
1512.45:305:52
1612.45:305:52
1712.45:315:52
1812.45:315:52
1912.45:325:53
2012.35:325:53
2112.35:325:53
2212.35:335:53
2312.35:335:53
2412.35:345:53
2512.35:345:54
2612.35:345:54
2712.35:355:54
2812.35:355:54
2912.35:355:54
3012.35:365:54
3112.35:365:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.95 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.73 kWh/m² in September across the year — January's 4.95 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
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
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Tuban

In seasonPeak

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

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

Tuban'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 Tuban?

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

2.6
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 Tuban.

What to pack for Tuban in January

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

In January, Tuban sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Tuban 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
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Tuban 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 Tuban peaks around March 17 at about 14 (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 highExtremeVery highExtremeMar 17UV 14Jun 16UV 8
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar14Extreme
Apr11Extreme
May10Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov8Very high
Dec11Extreme

Air quality in Tuban 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 Tuban is worst in May — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1839 µg/m³Feb 1126 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb25Moderate
Mar32Moderate
Apr35Poor
May40Poor
Jun37Poor
Jul34Moderate
Aug33Moderate
Sep35Poor
Oct39Poor
Nov34Moderate
Dec30Moderate
Location & terrain

Where is Tuban?

Tuban sits at 6.9°S, 112.1°E, 13 m above sea level, in Indonesia. The nearest listed city is Babat, 26 km away.

Topography around Tuban

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

Within 3 km, the terrain around Tuban has only modest variations in elevation — a maximum elevation change of 93 m around an average of 16 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 458 m; within 80 km, large variations in elevation — a maximum elevation change of 888 m.

The land around Tuban is covered by water (34%), artificial surfaces (33%) and trees (22%) within 3 km, water (36%), cropland (25%) and trees (24%) within 16 km, and water (35%), cropland (31%) and trees (26%) within 80 km.

3 km
93 m
16 km
458 m
80 km
888 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Babat 26 km · Paciran 34 km · Bojonegoro 35 km · Lamongan 46 km · Cepu 59 km · Kebomas 69 km · Gresik 71 km · Lasem 71 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 Tuban (-6.8976°, 112.0649°, elevation 13 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).