Cianjur weather in August

In August, Cianjur sees average daytime highs of 30°C and overnight lows near 21°C, with 55 mm of rain across 8.2 wet days and about 11.8 hours of daylight. It is the 2nd-warmest and 12th-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 24% 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 Cianjur's 1st-clearest and 2nd-windiest month. For the whole year in context, see Cianjur's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
21°
2nd coldest
Rainfall
55 mm
8.2 wet days
Daylight
11 h 48 min
6:02 AM – 5:49 PM
Cloud cover
59%
1st clearest
Wind
4 km/h
2nd windiest
Solar energy
5.57 kWh/m²
Travel score
5.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Cianjur reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How August really feels in Cianjur

Once humidity and wind are folded in, August averages 18 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
18
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Cianjur weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°30529.112.43.2
Feb28° / 22°2912712.23.1
Mar29° / 22°29929.4122.9
Apr29° / 22°2582711.93.1
May29° / 22°14021.811.73.8
Jun29° / 21°8314.911.64.6
Jul30° / 21°6710.811.65.0
Aug30° / 21°558.211.85.0
Sep31° / 21°8011.1124.4
Oct30° / 22°22819.912.23.6
Nov29° / 22°32826.512.33.1
Dec29° / 22°32227.712.43.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 28% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35644
45644
55644
65743
75644
85644
95644
105644
115545
125446
135446
145446
155347
165248
175248
185149
195149
204951
214852
224852
234852
244753
254753
264753
274753
284753
294753
304753
314753

Chance of precipitation in August

Any precipitation

Cianjur gets around 55 mm of rain over 8.2 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 27% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
224
324
423
523
623
723
823
923
1023
1123
1223
1324
1424
1525
1626
1726
1827
1928
2028
2129
2229
2330
2430
2531
2631
2732
2833
2933
3034
3134

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11225522
21225522
31225621
41225621
51225621
61225621
71215721
81215721
91215721
101205821
111205821
121195921
131195921
141195921
151186021
161186021
171186021
181186021
191186021
201186021
211186021
221186021
231176121
241176022
251166122
261166122
271166023
281156123
291156123
301146124
311146124

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
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 6:07 AM to 5:56 AM, and sunset from 5:48 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:075:48
211.76:065:49
311.76:065:49
411.76:065:49
511.76:065:49
611.76:055:49
711.76:055:49
811.76:055:49
911.76:055:49
1011.76:045:49
1111.76:045:49
1211.86:045:49
1311.86:035:49
1411.86:035:49
1511.86:035:49
1611.86:025:49
1711.86:025:49
1811.86:025:49
1911.86:015:49
2011.86:015:49
2111.86:005:48
2211.86:005:48
2311.85:595:48
2411.85:595:48
2511.85:595:48
2611.85:585:48
2711.85:585:48
2811.85:575:48
2911.95:575:48
3011.95:565:47
3111.95:565:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.57 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 5.92 kWh/m² in September across the year — August's 5.57 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.8Bright
Planning a trip in August

Hazard calendar for Cianjur

In seasonPeak

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

Cianjur's rainy season runs October–April, when most of the year's rain falls.

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

Is August a good time to visit Cianjur?

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

5.0
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Cianjur in August

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

In August, Cianjur sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Cianjur 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 Cianjur peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 15UV 15Nov 15UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar16Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov7High
Dec12Extreme

Air quality in Cianjur 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 Cianjur 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 Cianjur?

Cianjur sits at 6.8°S, 107.1°E, 456 m above sea level, in Indonesia. The nearest listed city is Ciranjang-hilir, 13 km away.

Topography around Cianjur

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

Within 3 km, the terrain around Cianjur has only modest variations in elevation — a maximum elevation change of 193 m around an average of 450 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,513 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,993 m.

The land around Cianjur is covered by artificial surfaces (41%), cropland (32%) and trees (26%) within 3 km, trees (60%) and cropland (28%) within 16 km, and trees (68%) within 80 km.

3 km
193 m
16 km
2,513 m
80 km
2,993 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ciranjang-hilir 13 km · Sukabumi 26 km · Padalarang 37 km · Caringin 37 km · Cicurug 40 km · Purwakarta 45 km · Cimahi 45 km · Bogor 46 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 Cianjur (-6.8222°, 107.1394°, elevation 456 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. 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).