Klaten weather in August

In August, Klaten sees average daytime highs of 30°C and overnight lows near 20°C, with 21 mm of rain across 3.9 wet days and about 11.7 hours of daylight. It is the 9th-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 27% 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 48 min by month's end. Set against the rest of the year, August is Klaten's 1st-clearest and 2nd-windiest month. For the whole year in context, see Klaten's year-round climate.

Daytime high
30°
9th warmest
Overnight low
20°
1st coldest
Rainfall
21 mm
3.9 wet days
Daylight
11 h 42 min
5:49 AM – 5:34 PM
Cloud cover
56%
1st clearest
Wind
7 km/h
2nd windiest
Solar energy
5.47 kWh/m²
Travel score
6.0
out of 10

Klaten is former administrative city and capital of Klaten Regency, Central Java, Indonesia.

Founded
1986

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 30°C through the month.

A typical August day in Klaten reaches about 30°C in the afternoon and slips back to 20°C overnight — a 9°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, August runs on par with July and on par with September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

How August really feels in Klaten

Once humidity and wind are folded in, August 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

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

Klaten weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°42929.312.42.8
Feb30° / 22°42427.412.32.6
Mar30° / 22°3722912.12.7
Apr30° / 23°26025.511.83.0
May30° / 22°12216.811.74.0
Jun30° / 21°7010.711.64.8
Jul30° / 21°366.111.65.7
Aug30° / 20°213.911.76.0
Sep30° / 21°416.4125.2
Oct30° / 22°13516.112.24.0
Nov30° / 23°29725.812.43.0
Dec29° / 23°39128.512.42.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65941
76040
86040
96040
106040
116040
126040
136040
146040
156040
165941
175941
185941
195842
205842
215743
225743
235644
245545
255545
265446
275347
285347
295248
305248
315347

Chance of precipitation in August

Any precipitation

Klaten gets around 21 mm of rain over 3.9 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 13% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
512
612
712
812
912
1012
1112
1212
1312
1412
1512
1612
1712
1812
1912
2012
2112
2213
2313
2413
2513
2613
2714
2814
2914
3015
3115

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1126820
2126919
3126919
4126919
5136819
6136819
7136819
8146719
9146719
10156619
11156619
12156619
13156619
14156619
15156619
16156718
17156718
18146818
19146818
20146818
21146818
22146818
23136918
24136918
25126919
26126919
27116920
28106921
29106822
3096823
3196724

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 5:54 AM to 5:42 AM, and sunset from 5:33 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:545:33
211.75:545:34
311.75:535:34
411.75:535:34
511.75:535:34
611.75:535:34
711.75:525:34
811.75:525:34
911.75:525:34
1011.75:515:34
1111.75:515:34
1211.75:515:34
1311.75:505:34
1411.75:505:34
1511.75:505:34
1611.75:495:34
1711.85:495:34
1811.85:495:34
1911.85:485:34
2011.85:485:34
2111.85:475:34
2211.85:475:34
2311.85:465:34
2411.85:465:34
2511.85:455:34
2611.85:455:33
2711.85:445:33
2811.85:445:33
2911.85:435:33
3011.85:435:33
3111.85:425:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 5.88 kWh/m² in September across the year — August's 5.47 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Klaten

In seasonPeak

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

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

Klaten's monsoon runs November–April, when most of the year's rain falls.

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

Is August a good time to visit Klaten?

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

6.0
Sightseeing
1st-best month of the year
7.9
Beach & pool
1st-best month of the year

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

What to pack for Klaten in August

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

In August, Klaten sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Klaten in August

The nearest coast averages about 25°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 47 km away) is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Klaten 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 Klaten peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 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 13UV 14Jun 14UV 7
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar14Extreme
Apr12Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov9Very high
Dec11Extreme

Air quality in Klaten 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 Klaten is worst in April — around 58 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (September, 34 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorApr 2158 µg/m³Sep 1134 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb46Poor
Mar54Poor
Apr58Unhealthy
May57Unhealthy
Jun51Poor
Jul42Poor
Aug35Moderate
Sep34Moderate
Oct37Poor
Nov42Poor
Dec42Poor
Location & terrain

Where is Klaten?

Klaten sits at 7.7°S, 110.6°E, 159 m above sea level, in Indonesia. The nearest listed city is Kebonarun, 5.0 km away.

Topography around Klaten

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

Within 3 km, the terrain around Klaten has only modest variations in elevation — a maximum elevation change of 79 m around an average of 161 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 712 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,290 m.

The land around Klaten is covered by artificial surfaces (46%), cropland (30%) and trees (21%) within 3 km, trees (50%) and cropland (31%) within 16 km, and trees (59%) within 80 km.

3 km
79 m
16 km
712 m
80 km
3,290 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Kebonarun 5.0 km · Wedi 5.0 km · Trucuk 6.0 km · Karanganom 7.0 km · Jogonalan 8.0 km · Ceper 9.0 km · Karangnongko 10 km · Delanggu 13 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 Klaten (-7.7058°, 110.6064°, elevation 159 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).