Jember weather in October

In October, Jember sees average daytime highs of 29°C and overnight lows near 20°C, with 119 mm of rain across 18 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-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 10% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Jember's 6th-clearest and 5th-windiest month. For the whole year in context, see Jember's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
20°
5th coldest
Rainfall
119 mm
18 wet days
Daylight
12 h 12 min
5:05 AM – 5:16 PM
Cloud cover
70%
6th clearest
Wind
5 km/h
5th windiest
Solar energy
6.09 kWh/m²
Travel score
4.6
out of 10

Jember is former administrative city and capital of Jember Regency.

Founded
1976

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Jember reaches about 29°C in the afternoon and slips back to 20°C overnight — a 8°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, October runs about 1°C warmer than September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152920
162920
172920
182920
192920
202920
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How October really feels in Jember

Once humidity and wind are folded in, October 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

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

Jember weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°35929.312.43.1
Feb29° / 22°33427.112.33.0
Mar29° / 22°32227.812.13.2
Apr29° / 22°21424.411.83.6
May29° / 21°10815.511.65.0
Jun28° / 20°6410.711.56.1
Jul27° / 19°387.611.66.8
Aug27° / 18°256.211.76.9
Sep28° / 19°5710.2126.1
Oct29° / 20°1191812.24.6
Nov29° / 21°26825.412.43.5
Dec28° / 22°33828.212.53.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42971
52971
62971
73070
83169
93268
103268
113367
123466
133565
143664
153664
163664
173763
183565
193466
203466
213466
223367
233367
243268
253169
263169
273070
283070
292872
302773
312674

Chance of precipitation in October

Any precipitation

Jember gets around 119 mm of rain over 18 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
146
247
348
449
550
650
751
852
953
1053
1154
1254
1355
1455
1556
1656
1757
1858
1959
2060
2161
2262
2363
2464
2565
2666
2767
2868
2970
3071
3172

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
176528
276429
366331
466232
556134
656035
745937
845838
945640
1035641
1135443
1235344
1335245
1435047
1524948
1624850
1724751
1824553
1924454
2024355
2114257
2214158
2314059
2413960
2513861
2613762
2713663
2813564
2903367
3003268
3103070

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
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
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 5:12 AM to 5:00 AM, and sunset from 5:16 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:125:16
212.15:115:16
312.15:115:16
412.15:105:16
512.15:105:16
612.15:095:16
712.15:095:16
812.15:085:16
912.15:085:16
1012.15:075:16
1112.15:075:16
1212.25:065:16
1312.25:065:16
1412.25:065:16
1512.25:055:16
1612.25:055:16
1712.25:045:16
1812.25:045:16
1912.25:045:16
2012.25:035:16
2112.25:035:16
2212.25:035:16
2312.25:025:16
2412.25:025:16
2512.25:025:16
2612.35:015:17
2712.35:015:17
2812.35:015:17
2912.35:015:17
3012.35:005:17
3112.35:005:17

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.09 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.09 kWh/m² in October across the year — October's 6.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in October

Hazard calendar for Jember

In seasonPeak

None of Jember's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Jember'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 October a good time to visit Jember?

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

4.6
Sightseeing
6th-best month of the year
5.5
Beach & pool
6th-best month of the year

October is a reasonable time to visit Jember for sightseeing.

What to pack for Jember in October

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

In October, Jember sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Jember in October

The nearest coast averages about 26°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Jember in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Jember peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 21UV 14Jun 18UV 9
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun8Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Jember in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Jember 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 Jember?

Jember sits at 8.2°S, 113.7°E, 86 m above sea level, in Indonesia. The nearest listed city is Bondowoso, 32 km away.

Topography around Jember

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

Within 3 km, the terrain around Jember has only modest variations in elevation — a maximum elevation change of 118 m around an average of 99 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,460 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,219 m.

The land around Jember is covered by artificial surfaces (54%) and trees (29%) within 3 km, trees (64%) and cropland (25%) within 16 km, and trees (47%) and water (37%) within 80 km.

3 km
118 m
16 km
1,460 m
80 km
3,219 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Bondowoso 32 km · Kencong 39 km · Besuki 49 km · Lumajang 52 km · Genteng 54 km · Balung 54 km · Gambiran Satu 55 km · Kraksaan 57 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 Jember (-8.1721°, 113.6995°, elevation 86 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).