Banda Aceh weather in July

In July, Banda Aceh sees average daytime highs of 30°C and overnight lows near 25°C, with 125 mm of rain across 15.1 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of July to 12 h 12 min by month's end. Set against the rest of the year, July is Banda Aceh's 5th-clearest and 1st-windiest month. For the whole year in context, see Banda Aceh's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
25°
9th coldest
Rainfall
125 mm
15.1 wet days
Daylight
12 h 18 min
6:35 AM – 6:53 PM
Cloud cover
81%
5th clearest
Wind
12 km/h
1st windiest
Solar energy
5.31 kWh/m²
Travel score
4.3
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical July day in Banda Aceh reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How July really feels in Banda Aceh

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Banda Aceh weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 10th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51882
61882
71783
81684
91684
101684
111585
121684
131684
141585
151585
161684
171783
181684
191684
201684
211783
221783
231783
241783
251882
261783
271783
281882
291882
301783
311783

Chance of precipitation in July

Any precipitation

Banda Aceh gets around 125 mm of rain over 15.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 49% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
347
448
548
648
749
849
949
1049
1149
1249
1349
1449
1549
1649
1749
1849
1948
2048
2148
2248
2348
2448
2548
2647
2747
2847
2946
3046
3146

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11909
21909
31909
41909
51909
61909
71909
81909
91909
101909
111909
121909
131909
141918
151918
161918
172908
182917
192917
202917
212926
222926
232935
242935
252944
262944
272944
282944
292953
302953
312953

Wind in July

Winds average 12 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

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

Days shrink by about 6 minutes over July. Sunrise moves from 6:32 AM to 6:37 AM, and sunset from 6:52 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:326:52
212.36:336:52
312.36:336:52
412.36:336:52
512.36:336:52
612.36:346:52
712.36:346:52
812.36:346:52
912.36:346:53
1012.36:346:53
1112.36:356:53
1212.36:356:53
1312.36:356:53
1412.36:356:53
1512.36:356:53
1612.36:356:53
1712.36:366:53
1812.36:366:53
1912.36:366:53
2012.36:366:53
2112.36:366:53
2212.36:366:53
2312.36:376:53
2412.36:376:53
2512.36:376:53
2612.36:376:53
2712.36:376:53
2812.36:376:53
2912.36:376:52
3012.36:376:52
3112.26:376:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.31 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 — July's 5.31 kWh/m² falls in the middle.

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
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in July

Hazard calendar for Banda Aceh

In seasonPeak

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

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 July a good time to visit Banda Aceh?

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

4.3
Sightseeing
3rd-best month of the year
5.8
Beach & pool
3rd-best month of the year

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

What to pack for Banda Aceh in July

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

In July, Banda Aceh sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Banda Aceh in July

The nearest coast averages about 30°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (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 July

GoodModeratePoorUnhealthyVery unhealthy

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