Kupang weather in May

In May, Kupang sees average daytime highs of 32°C and overnight lows near 25°C, with 23 mm of rain across 3.7 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 7th-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 46% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Kupang's 6th-clearest and 4th-windiest month. For the whole year in context, see Kupang's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
5th coldest
Rainfall
23 mm
3.7 wet days
Daylight
11 h 30 min
5:56 AM – 5:28 PM
Cloud cover
46%
6th clearest
Wind
15 km/h
4th windiest
Solar energy
5.38 kWh/m²
Travel score
4.5
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 May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Kupang reaches about 32°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143225
153225
163225
173225
183225
193225
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How May really feels in Kupang

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

Kupang weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36337
46337
56436
66436
76436
86436
96535
106535
116535
126634
136634
146733
156733
166832
176931
186931
196931
206931
216931
227030
237030
247030
257030
267030
277030
286931
296931
306931
316931

Chance of precipitation in May

Any precipitation

Kupang gets around 23 mm of rain over 3.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
214
314
413
513
612
712
812
912
1012
1112
1212
1312
1412
1512
1613
1713
1813
1913
2013
2113
2213
2313
2413
2512
2612
2711
2810
2910
309
319

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1324667
2326656
3327655
4329635
5430624
6431614
7432604
8433594
9434584
10435574
11435574
12436564
13436564
14436555
15437545
16437545
17537526
18537526
19537526
20537526
21538516
22638506
23639496
24639486
25740486
26741475
27742465
28843454
29844444
30845434
31946423

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:53 AM to 5:59 AM, and sunset from 5:32 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:535:32
211.65:545:32
311.65:545:31
411.65:545:31
511.65:545:31
611.65:545:30
711.65:545:30
811.65:545:30
911.65:545:29
1011.65:555:29
1111.65:555:29
1211.65:555:29
1311.65:555:28
1411.55:555:28
1511.55:565:28
1611.55:565:28
1711.55:565:28
1811.55:565:28
1911.55:565:27
2011.55:575:27
2111.55:575:27
2211.55:575:27
2311.55:575:27
2411.55:585:27
2511.55:585:27
2611.55:585:27
2711.55:585:27
2811.55:595:27
2911.55:595:27
3011.55:595:27
3111.55:595:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.38 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 — May's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Kupang

In seasonPeak

None of Kupang's seasonal hazards are active in May. 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 May a good time to visit Kupang?

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

4.5
Sightseeing
4th-best month of the year
7.4
Beach & pool
5th-best month of the year

May 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 May

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

In May, Kupang sees daytime highs around 32°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Kupang in May

The nearest coast averages about 28°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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
May 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).