Sukabumi weather in August

In August, Sukabumi sees average daytime highs of 28°C and overnight lows near 20°C, with 76 mm of rain across 11.6 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 12th-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 13% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Sukabumi's 1st-clearest and 6th-windiest month. For the whole year in context, see Sukabumi's year-round climate.

Daytime high
28°
5th warmest
Overnight low
20°
1st coldest
Rainfall
76 mm
11.6 wet days
Daylight
11 h 48 min
6:03 AM – 5:50 PM
Cloud cover
64%
1st clearest
Wind
4 km/h
6th windiest
Solar energy
5.48 kWh/m²
Travel score
5.6
out of 10

Sukabumi is city in West Java Province, Indonesia.

Density
7,553/km²
people per km²
Founded
1914

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Sukabumi reaches about 28°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 29°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Sukabumi weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 21°36229.412.43.4
Feb27° / 21°32726.412.23.4
Mar28° / 21°36529.6123.3
Apr28° / 21°30227.811.93.2
May28° / 21°18724.411.73.8
Jun28° / 20°11118.811.64.6
Jul28° / 20°9315.411.65.4
Aug28° / 20°7611.611.85.6
Sep28° / 20°11315.4124.9
Oct28° / 21°26523.312.24.0
Nov28° / 21°39427.812.33.5
Dec27° / 21°40629.112.43.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 30% of August, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54852
64852
74852
84753
94753
104753
114852
124654
134654
144555
154555
164456
174456
184357
194357
204357
214258
224159
234159
243961
253961
263862
273862
283862
293862
303763
313763

Chance of precipitation in August

Any precipitation

Sukabumi gets around 76 mm of rain over 11.6 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
238
337
437
537
637
736
836
936
1036
1136
1236
1336
1436
1537
1637
1737
1837
1937
2038
2138
2238
2339
2439
2540
2641
2742
2842
2943
3044
3145

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1128656
2128656
3129646
4129646
5129646
6129646
7128656
8128656
9128656
10227647
11227647
12126667
13126667
14126667
15126667
16126667
17126667
18126667
19126667
20126667
21125677
22125677
23125677
24125677
25124687
26123688
27123688
28122698
29121699
30121699
31120709

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:08 AM to 5:57 AM, and sunset from 5:49 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:085:49
211.76:075:49
311.76:075:49
411.76:075:49
511.76:075:49
611.76:065:50
711.76:065:50
811.76:065:50
911.76:065:50
1011.76:055:50
1111.76:055:50
1211.76:055:50
1311.86:045:50
1411.86:045:50
1511.86:045:50
1611.86:035:50
1711.86:035:49
1811.86:025:49
1911.86:025:49
2011.86:025:49
2111.86:015:49
2211.86:015:49
2311.86:005:49
2411.86:005:49
2511.85:595:49
2611.85:595:49
2711.85:595:49
2811.85:585:49
2911.85:585:48
3011.95:575:48
3111.95:575:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.48 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 5.8 kWh/m² in September across the year — August's 5.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in August

Hazard calendar for Sukabumi

In seasonPeak

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

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

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

Is August a good time to visit Sukabumi?

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

5.6
Sightseeing
1st-best month of the year
6.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Sukabumi for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sukabumi in August

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

In August, Sukabumi sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Sukabumi in August

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

The sea at the nearest coast (about 61 km away) is warmest in April at about 29°C and coldest in September near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Sukabumi in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Sukabumi peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 14UV 16Nov 15UV 8
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar16Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov7High
Dec12Extreme

Air quality in Sukabumi in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sukabumi is worst in May — around 121 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyMay 21120 µg/m³Jan 1177 µg/m³
PM2.5 (µg/m³)Level
Jan77Unhealthy
Feb81Unhealthy
Mar95Unhealthy
Apr106Unhealthy
May121Unhealthy
Jun117Unhealthy
Jul108Unhealthy
Aug92Unhealthy
Sep84Unhealthy
Oct84Unhealthy
Nov87Unhealthy
Dec77Unhealthy
Location & terrain

Where is Sukabumi?

Sukabumi sits at 6.9°S, 106.9°E, 613 m above sea level, in Indonesia. The nearest listed city is Cicurug, 22 km away.

Topography around Sukabumi

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

Within 3 km, the terrain around Sukabumi has significant variations in elevation — a maximum elevation change of 271 m around an average of 611 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,704 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,993 m.

The land around Sukabumi is covered by artificial surfaces (50%) and trees (33%) within 3 km, trees (78%) within 16 km, and trees (67%) within 80 km.

3 km
271 m
16 km
2,704 m
80 km
2,993 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Cicurug 22 km · Cianjur 26 km · Caringin 26 km · Ciranjang-hilir 38 km · Bogor 39 km · Pelabuhanratu 42 km · Ciampea 47 km · Citeureup 48 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 Sukabumi (-6.9181°, 106.9267°, elevation 613 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).