Samarinda weather in October

In October, Samarinda sees average daytime highs of 32°C and overnight lows near 24°C, with 226 mm of rain across 25.5 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 4% of the time in October, and the air most often feels miserable.

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

Daytime high
32°
1st warmest
Overnight low
24°
9th coldest
Rainfall
226 mm
25.5 wet days
Daylight
12 hours
5:56 AM – 5:57 PM
Cloud cover
84%
6th clearest
Wind
6 km/h
5th windiest
Solar energy
5.28 kWh/m²
Travel score
2.6
out of 10

Samarinda is city in East Kalimantan Province, Indonesia.

Density
1,105/km²
people per km²
Founded
1668

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 32°C through the month.

A typical October day in Samarinda reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293124
303124
313124

How October really feels in Samarinda

Once humidity and wind are folded in, October 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
4 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Samarinda weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°27725.9122.7
Feb31° / 24°23922.7122.8
Mar31° / 24°29926.6122.6
Apr31° / 24°31027.2122.4
May31° / 24°26028.5122.5
Jun31° / 24°22725.9122.7
Jul31° / 24°18623.7123.1
Aug31° / 24°16020.5123.3
Sep32° / 24°17321.3123.0
Oct32° / 24°22625.5122.6
Nov31° / 24°29028.2122.3
Dec31° / 24°31529.1122.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31981
41882
51882
61783
71783
81585
91585
101486
111486
121486
131486
141486
151387
161288
171288
181288
191288
201189
211189
221189
231189
241090
25991
26991
27991
28991
29991
30991
31892

Chance of precipitation in October

Any precipitation

Samarinda gets around 226 mm of rain over 25.5 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 82% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
276
376
477
577
677
778
878
979
1079
1179
1280
1380
1481
1581
1682
1782
1883
1984
2084
2185
2285
2386
2487
2587
2688
2788
2889
2989
3090
3190

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13367
23268
33169
43169
53070
63070
72971
82971
92872
102773
112674
122674
132575
142476
152377
162377
172278
182179
192179
202080
211981
221981
231882
241882
251783
261783
271783
281684
291684
301684
311585

Wind in October

Winds average 6 km/h in October.

Across October, 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 0 minutes over October. Sunrise moves from 6:00 AM to 5:54 AM, and sunset from 6:01 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:006:01
212.06:006:00
312.06:006:00
412.05:596:00
512.05:595:59
612.05:595:59
712.05:585:59
812.05:585:59
912.05:585:58
1012.05:585:58
1112.05:575:58
1212.05:575:58
1312.05:575:57
1412.05:575:57
1512.05:565:57
1612.05:565:57
1712.05:565:57
1812.05:565:56
1912.05:565:56
2012.05:555:56
2112.05:555:56
2212.05:555:56
2312.05:555:56
2412.05:555:56
2512.05:555:56
2612.05:555:56
2712.05:555:56
2812.05:555:56
2912.05:555:55
3012.05:545:55
3112.05:545:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 5.56 kWh/m² in September across the year — October's 5.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in October

Is October a good time to visit Samarinda?

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

2.6
Sightseeing
7th-best month of the year
4.0
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Samarinda.

What to pack for Samarinda in October

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

In October, Samarinda sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Samarinda in October

The nearest coast averages about 29°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 50 km away) is warmest in May at about 30°C and coldest in February near 29°C.

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

28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Samarinda 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 Samarinda peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jul 10UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Samarinda 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 Samarinda is worst in October — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1427 µg/m³Mar 1314 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug16Moderate
Sep23Moderate
Oct28Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Samarinda?

Samarinda sits at 0.5°S, 117.1°E, 24 m above sea level, in Indonesia. The nearest listed city is Loa Janan, 12 km away.

AmuntaiBarabaiPalu

Topography around Samarinda

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

Within 3 km, the terrain around Samarinda has only modest variations in elevation — a maximum elevation change of 118 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 261 m; within 80 km, large variations in elevation — a maximum elevation change of 686 m.

The land around Samarinda is covered by artificial surfaces (62%) and trees (23%) within 3 km, trees (63%) within 16 km, and trees (57%) and water (31%) within 80 km.

3 km
118 m
16 km
261 m
80 km
686 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
October weather nearby: Loa Janan 12 km · Bontang 79 km · Balikpapan 93 km · Muara Teweh 255 km · Tanjung 269 km · Amuntai 300 km · Barabai 304 km · Palu 307 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 Samarinda (-0.4917°, 117.1458°, 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. 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).