Banda Aceh weather in October

In October, Banda Aceh sees average daytime highs of 28°C and overnight lows near 24°C, with 282 mm of rain across 24.6 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Banda Aceh's 11th-clearest and 8th-windiest month. For the whole year in context, see Banda Aceh's year-round climate.

Daytime high
28°
10th warmest
Overnight low
24°
5th coldest
Rainfall
282 mm
24.6 wet days
Daylight
11 h 54 min
6:27 AM – 6:20 PM
Cloud cover
89%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
4.62 kWh/m²
Travel score
3.6
out of 10

Banda Aceh is city in Aceh Province, Indonesia.

Density
4,367/km²
people per km²
Founded
1205

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 28°C through the month.

A typical October day in Banda Aceh reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°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 on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How October really feels in Banda Aceh

Once humidity and wind are folded in, October averages 3 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
3
heat index over the day's high
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.

Banda Aceh weather by month

How October compares with the rest of the year at a glance. October is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°1371511.74.8
Feb29° / 24°961311.84.7
Mar30° / 25°15619124.0
Apr30° / 25°20224.412.13.3
May30° / 25°21920.412.23.7
Jun30° / 25°11314.512.34.2
Jul30° / 25°12515.112.34.3
Aug30° / 25°15917.412.24.1
Sep29° / 24°19319.2123.9
Oct28° / 24°28224.611.93.6
Nov28° / 24°36126.111.73.4
Dec28° / 24°2632111.74.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in October.

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2892
3892
4892
5892
6991
7991
8991
9991
10991
11892
12892
13892
14892
15892
16892
17892
18793
19694
20694
21694
22595
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in October

Any precipitation

Banda Aceh gets around 282 mm of rain over 24.6 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 80% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
172
273
373
473
573
673
774
874
974
1075
1175
1276
1376
1477
1578
1679
1780
1881
1982
2083
2183
2284
2385
2486
2586
2687
2787
2888
2988
3088
3188

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10955
20955
30955
40955
50964
60964
70964
80964
90964
100964
110964
120964
130964
140964
150964
160964
171954
181954
191954
201954
211954
221945
231945
240955
250955
260955
270955
280955
290955
300946
310946

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 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
109calm
119calm
129calm
139calm
149calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 6:29 AM to 6:28 AM, and sunset from 6:26 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:296:26
211.96:296:26
311.96:296:25
411.96:296:25
511.96:286:24
611.96:286:24
711.96:286:23
811.96:286:23
911.96:286:23
1011.96:286:22
1111.96:286:22
1211.96:286:21
1311.96:286:21
1411.96:286:21
1511.96:276:20
1611.96:276:20
1711.96:276:20
1811.96:276:19
1911.96:276:19
2011.96:276:19
2111.96:276:18
2211.86:276:18
2311.86:276:18
2411.86:276:18
2511.86:276:17
2611.86:286:17
2711.86:286:17
2811.86:286:17
2911.86:286:17
3011.86:286:17
3111.86:286:16

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.62 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 5.72 kWh/m² in March across the year — October's 4.62 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in October

Hazard calendar for Banda Aceh

In seasonPeak

In October, Banda Aceh sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Banda Aceh sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Banda Aceh?

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

3.6
Sightseeing
10th-best month of the year
4.4
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Banda Aceh.

What to pack for Banda Aceh in October

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

In October, Banda Aceh sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Banda Aceh 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 offshore is warmest in May at about 30°C and coldest in December near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Banda Aceh 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 Banda Aceh peaks around February 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 14Dec 13UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Banda Aceh 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 Banda Aceh is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1717 µg/m³Dec 1212 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar17Moderate
Apr15Moderate
May13Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct13Moderate
Nov12Moderate
Dec12Good
Location & terrain

Where is Banda Aceh?

Banda Aceh sits at 5.5°N, 95.3°E, 9 m above sea level, in Indonesia. The nearest listed city is Sabang, 39 km away.

Langsa

Topography around Banda Aceh

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

Within 3 km, the terrain around Banda Aceh has only modest variations in elevation — a maximum elevation change of 14 m around an average of 6 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,320 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,292 m.

The land around Banda Aceh is covered by artificial surfaces (68%) and trees (22%) within 3 km, trees (41%) and water (34%) within 16 km, and water (66%) and trees (29%) within 80 km.

3 km
14 m
16 km
1,320 m
80 km
2,292 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Sabang 39 km · Sigli 72 km · Reuleuet 111 km · Bireun 156 km · Meulaboh 179 km · Lhokseumawe 205 km · Blangpidie 261 km · Langsa 315 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 Banda Aceh (5.5417°, 95.3333°, elevation 9 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).