Sumenep weather in January

In January, Sumenep sees average daytime highs of 29°C and overnight lows near 26°C, with 293 mm of rain across 29.3 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 29°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels miserable.

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 Sumenep's 11th-clearest and 4th-windiest month. For the whole year in context, see Sumenep's year-round climate.

Daytime high
29°
11th warmest
Overnight low
26°
3rd coldest
Rainfall
293 mm
29.3 wet days
Daylight
12 h 24 min
5:23 AM – 5:45 PM
Cloud cover
87%
11th clearest
Wind
15 km/h
4th windiest
Solar energy
5.25 kWh/m²
Travel score
3.0
out of 10

Sumenep is district in Sumenep Regency, East Java Province, Indonesia.

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 Sumenep reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How January really feels in Sumenep

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.

Sumenep 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
Jan29° / 26°29329.312.43.0
Feb29° / 26°25026.612.23.0
Mar29° / 26°22627.2123.2
Apr30° / 26°1752211.93.7
May30° / 27°8212.311.74.9
Jun29° / 26°527.711.65.7
Jul29° / 26°223.711.66.5
Aug29° / 26°20.611.86.8
Sep30° / 26°111.5126.1
Oct31° / 26°386.412.25.0
Nov30° / 26°12517.612.33.8
Dec29° / 26°27628.112.43.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21486
31486
41486
51486
61486
71486
81486
91486
101486
111486
121387
131387
141387
151288
161288
171288
181189
191189
201189
211189
221090
23991
24892
25892
26892
27892
28892
29793
30793
31892

Chance of precipitation in January

Any precipitation

Sumenep gets around 293 mm of rain over 29.3 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 94% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
493
593
693
793
893
993
1092
1192
1292
1392
1493
1593
1693
1793
1894
1994
2095
2195
2296
2396
2496
2597
2697
2797
2897
2997
3097
3197

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13466
23466
33466
43565
53565
63565
73664
83664
93664
103763
113763
123763
133763
143763
153763
163763
173763
183763
193664
203664
213664
223565
233565
243565
253565
263565
273664
283664
293664
303763
313763

Wind in January

Winds average 15 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

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 5:16 AM to 5:29 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)
112.45:165:40
212.45:165:40
312.45:175:41
412.45:175:41
512.45:185:41
612.45:185:42
712.45:195:42
812.45:195:42
912.45:205:43
1012.45:205:43
1112.45:215:43
1212.45:215:44
1312.45:215:44
1412.45:225:44
1512.45:225:45
1612.45:235:45
1712.45:235:45
1812.45:245:45
1912.45:245:46
2012.45:255:46
2112.35:255:46
2212.35:255:46
2312.35:265:46
2412.35:265:46
2512.35:275:47
2612.35:275:47
2712.35:275:47
2812.35:285:47
2912.35:285:47
3012.35:285:47
3112.35:295:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.25 kWh/m².

For context, solar energy here swings from a low near 5.23 kWh/m² to a high of 7.01 kWh/m² in September across the year — January's 5.25 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
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Sumenep

In seasonPeak

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

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

Sumenep's monsoon runs December–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 Sumenep?

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

3.0
Sightseeing
10th-best month of the year
3.8
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Sumenep.

What to pack for Sumenep in January

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

In January, Sumenep sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Sumenep 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 13 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 Sumenep in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Sumenep peaks around March 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 10UV 14Jun 17UV 9
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun8Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Sumenep 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 Sumenep is worst in October — around 24 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (February, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateModerateOct 1823 µg/m³Feb 1812 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb12Good
Mar13Moderate
Apr12Good
May13Moderate
Jun13Moderate
Jul12Moderate
Aug13Moderate
Sep17Moderate
Oct24Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Sumenep?

Sumenep sits at 7.0°S, 113.9°E, 8 m above sea level, in Indonesia. The nearest listed city is Kalianget, 10 km away.

Topography around Sumenep

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

Within 3 km, the terrain around Sumenep has only modest variations in elevation — a maximum elevation change of 115 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 334 m; within 80 km, large variations in elevation — a maximum elevation change of 1,128 m.

The land around Sumenep is covered by cropland (31%), trees (27%) and artificial surfaces (25%) within 3 km, trees (44%) and water (22%) within 16 km, and water (80%) within 80 km.

3 km
115 m
16 km
334 m
80 km
1,128 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Kalianget 10 km · Pamekasan 46 km · Sampang 71 km · Panarukan 77 km · Situbondo 79 km · Balung 81 km · Besuki 82 km · Panji 84 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 Sumenep (-7.0115°, 113.8604°, elevation 8 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).