Kupang weather in August

In August, Kupang sees average daytime highs of 32°C and overnight lows near 23°C, with 2 mm of rain across 0.5 wet days and about 11.7 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 59% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Kupang's 1st-clearest and 3rd-windiest month. For the whole year in context, see Kupang's year-round climate.

Daytime high
32°
6th warmest
Overnight low
23°
1st coldest
Rainfall
2 mm
0.5 wet days
Daylight
11 h 42 min
6:00 AM – 5:40 PM
Cloud cover
37%
1st clearest
Wind
15 km/h
3rd windiest
Solar energy
6.07 kWh/m²
Travel score
5.2
out of 10

Kupang is administrative city in Kupang Regency, Indonesia.

Founded
1978

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 32°C through the month.

A typical August day in Kupang reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How August really feels in Kupang

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

Kupang weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°27226.912.52.9
Feb30° / 25°24225.212.32.9
Mar31° / 25°19922.612.13.3
Apr32° / 25°7811.111.83.8
May32° / 25°233.711.54.5
Jun32° / 24°151.911.45.2
Jul31° / 23°4111.55.5
Aug32° / 23°20.511.75.2
Sep33° / 23°40.811.94.5
Oct34° / 25°183.512.23.6
Nov34° / 26°7310.512.53.0
Dec31° / 25°23624.512.62.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67426
77426
87426
97426
107624
117624
127624
137723
147723
157723
167822
177822
187822
197822
207921
217921
227822
237822
247822
257822
267723
277723
287723
297822
307723
317723

Chance of precipitation in August

Any precipitation

Kupang gets around 2 mm of rain over 0.5 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 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1640504
2639514
3639514
4739504
5738514
6738514
7738514
8738514
9837514
10837514
11837514
12836524
13836524
14836515
15836515
16836515
17835525
18835525
19835516
20835516
21834526
22733537
23733537
24732538
25631558
26630559
27629569
285285710
295275810
305265910
315265811

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 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 18 minutes over August. Sunrise moves from 6:05 AM to 5:52 AM, and sunset from 5:38 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:055:38
211.66:055:38
311.66:055:38
411.66:045:38
511.66:045:39
611.66:045:39
711.66:035:39
811.66:035:39
911.66:035:39
1011.66:025:39
1111.66:025:39
1211.66:025:39
1311.66:015:39
1411.66:015:39
1511.76:005:39
1611.76:005:40
1711.75:595:40
1811.75:595:40
1911.75:585:40
2011.75:585:40
2111.75:575:40
2211.75:575:40
2311.75:565:40
2411.75:565:40
2511.75:555:40
2611.75:555:40
2711.85:545:40
2811.85:545:40
2911.85:535:39
3011.85:525:39
3111.85:525:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.07 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 7.07 kWh/m² in October across the year — August's 6.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Kupang

In seasonPeak

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

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

Kupang's monsoon runs December–March, 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 Kupang?

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

5.2
Sightseeing
2nd-best month of the year
8.2
Beach & pool
2nd-best month of the year

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

What to pack for Kupang in August

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

In August, Kupang sees daytime highs around 32°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Kupang in August

The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in December at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec30Tropical

UV index in Kupang in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kupang peaks around February 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 20UV 16Jun 20UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Kupang?

Kupang sits at 10.2°S, 123.6°E, 94 m above sea level, in Indonesia. The nearest listed city is Soe, 82 km away.

Topography around Kupang

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

Within 3 km, the terrain around Kupang has only modest variations in elevation — a maximum elevation change of 201 m around an average of 79 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,713 m.

The land around Kupang is covered by artificial surfaces (64%) within 3 km, water (43%), trees (27%) and grassland (23%) within 16 km, and water (63%) and trees (28%) within 80 km.

3 km
201 m
16 km
510 m
80 km
1,713 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Soe 82 km · Kefamenanu 125 km · Atambua 184 km · Lewoleba 201 km · Suai 204 km · Maliana 220 km · Maumere 231 km · Atsabe 240 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 Kupang (-10.1708°, 123.6069°, elevation 94 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).