Banda Aceh weather in December

In December, Banda Aceh sees average daytime highs of 28°C and overnight lows near 24°C, with 263 mm of rain across 21 wet days and about 11.7 hours of daylight. It is the 11th-warmest and 3rd-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 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Banda Aceh's 7th-clearest and 9th-windiest month. For the whole year in context, see Banda Aceh's year-round climate.

Daytime high
28°
11th warmest
Overnight low
24°
3rd coldest
Rainfall
263 mm
21 wet days
Daylight
11 h 42 min
6:44 AM – 6:25 PM
Cloud cover
84%
7th clearest
Wind
8 km/h
9th windiest
Solar energy
4.37 kWh/m²
Travel score
4.1
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December 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 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How December really feels in Banda Aceh

Once humidity and wind are folded in, December 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

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

Banda Aceh weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
31090
41090
51090
61090
71090
81090
91090
101189
111189
121288
131387
141387
151387
161486
171486
181585
191684
201684
211684
221684
231882
241882
251882
261981
271981
282080
292179
302179
312278

Chance of precipitation in December

Any precipitation

Banda Aceh gets around 263 mm of rain over 21 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 79% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
179
278
378
477
576
675
774
873
973
1072
1171
1271
1370
1470
1569
1668
1768
1867
1966
2065
2164
2264
2363
2462
2561
2660
2759
2858
2958
3057
3156

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10919
20928
30928
41918
51927
61927
71927
81936
91936
101936
111945
121945
131945
141945
151945
161954
171954
181954
191954
201954
211954
221954
231954
241954
251963
261963
272953
282953
292953
302953
312953

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 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
17calm
27calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:37 AM to 6:51 AM, and sunset from 6:19 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:376:19
211.76:386:20
311.76:386:20
411.76:396:20
511.76:396:21
611.76:406:21
711.76:406:22
811.76:416:22
911.76:416:22
1011.76:426:23
1111.76:426:23
1211.76:426:24
1311.76:436:24
1411.76:436:24
1511.76:446:25
1611.76:446:25
1711.76:456:26
1811.76:456:26
1911.76:466:27
2011.76:466:27
2111.76:476:28
2211.76:476:28
2311.76:486:28
2411.76:486:29
2511.76:496:29
2611.76:496:30
2711.76:506:30
2811.76:506:31
2911.76:506:31
3011.76:516:32
3111.76:516:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.37 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 — December's 4.37 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Banda Aceh

In seasonPeak

In December, 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 December a good time to visit Banda Aceh?

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

4.1
Sightseeing
5th-best month of the year
4.9
Beach & pool
9th-best month of the year

December is a reasonable time to visit Banda Aceh for sightseeing.

What to pack for Banda Aceh in December

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

In December, Banda Aceh sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. About 21 days see rain.

light clothesrain gear

Sea temperature near Banda Aceh in December

The nearest coast averages about 29°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).