Banyuwangi weather in January

In January, Banyuwangi sees average daytime highs of 29°C and overnight lows near 22°C, with 447 mm of rain across 28.6 wet days and about 12.4 hours of daylight. It is the 6th-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 3% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Banyuwangi's 11th-clearest and 10th-windiest month. For the whole year in context, see Banyuwangi's year-round climate.

Daytime high
29°
6th warmest
Overnight low
22°
12th coldest
Rainfall
447 mm
28.6 wet days
Daylight
12 h 24 min
5:19 AM – 5:45 PM
Cloud cover
89%
11th clearest
Wind
5 km/h
10th windiest
Solar energy
5.19 kWh/m²
Travel score
3.1
out of 10

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 Banyuwangi reaches about 29°C in the afternoon and slips back to 22°C overnight — a 6°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°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282923
292923
302923
312923

How January really feels in Banyuwangi

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Banyuwangi weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°44728.612.43.1
Feb29° / 22°43926.712.33.0
Mar29° / 22°3472612.13.4
Apr29° / 22°17821.911.84.0
May28° / 22°8714.711.65.6
Jun27° / 21°5412.211.56.1
Jul26° / 20°4512.711.66.3
Aug26° / 19°3410.811.76.6
Sep27° / 20°4511126.3
Oct28° / 21°8515.212.25.4
Nov29° / 22°21022.312.43.9
Dec29° / 22°35127.312.53.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 5% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
31090
41090
51090
61090
71090
81090
91090
101090
111090
121090
131090
14892
15892
16892
17793
18793
19793
20793
21694
22595
23595
24595
25595
26595
27595
28496
29496
30496
31496

Chance of precipitation in January

Any precipitation

Banyuwangi gets around 447 mm of rain over 28.6 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 92% and peaks near 97% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
288
388
488
588
688
788
888
988
1089
1189
1289
1390
1490
1591
1692
1792
1893
1993
2094
2195
2295
2396
2496
2597
2697
2797
2897
2997
3097
3197

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1793
2793
3694
4694
5595
6595
7496
8496
9496
10496
11397
12397
13397
14397
15298
16298
17298
18298
19298
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Wind in January

Winds average 5 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
16calm
26calm
36calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 30 min at the start of January to 12 h 24 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 5:12 AM to 5:25 AM, and sunset from 5:40 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:125:40
212.55:125:40
312.55:135:41
412.55:135:41
512.55:145:41
612.55:145:42
712.55:155:42
812.55:155:42
912.55:165:43
1012.55:165:43
1112.45:175:43
1212.45:175:44
1312.45:185:44
1412.45:185:44
1512.45:185:45
1612.45:195:45
1712.45:195:45
1812.45:205:45
1912.45:205:45
2012.45:215:46
2112.45:215:46
2212.45:225:46
2312.45:225:46
2412.45:225:46
2512.45:235:46
2612.45:235:46
2712.45:245:47
2812.45:245:47
2912.45:245:47
3012.45:255:47
3112.45:255:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.19 kWh/m².

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 6.61 kWh/m² in October across the year — January's 5.19 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in January

Hazard calendar for Banyuwangi

In seasonPeak

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

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

Banyuwangi's monsoon runs November–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 Banyuwangi?

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

3.1
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 Banyuwangi.

What to pack for Banyuwangi in January

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

In January, Banyuwangi sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Banyuwangi 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 16 km away) is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Banyuwangi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banyuwangi peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 18UV 14Jun 19UV 9
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Banyuwangi 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 Banyuwangi is worst in July — around 46 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (September, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateJul 1644 µg/m³Sep 1825 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr35Poor
May31Moderate
Jun34Moderate
Jul46Poor
Aug34Moderate
Sep24Moderate
Oct29Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

Where is Banyuwangi?

Banyuwangi sits at 8.2°S, 114.4°E, 24 m above sea level, in Indonesia. The nearest listed city is Singojuruh, 17 km away.

Topography around Banyuwangi

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

Within 3 km, the terrain around Banyuwangi has only modest variations in elevation — a maximum elevation change of 120 m around an average of 36 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,020 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,219 m.

The land around Banyuwangi is covered by trees (38%) and artificial surfaces (34%) within 3 km, trees (48%) and water (32%) within 16 km, and water (49%) and trees (41%) within 80 km.

3 km
120 m
16 km
1,020 m
80 km
3,219 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
January weather nearby: Singojuruh 17 km · Srono 21 km · Muncar 22 km · Genteng 27 km · Wongsorejo 27 km · Gambiran Satu 29 km · Negara 32 km · Panji 63 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 Banyuwangi (-8.2325°, 114.3576°, elevation 24 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).