Atambua weather in May

In May, Atambua sees average daytime highs of 28°C and overnight lows near 23°C, with 48 mm of rain across 7.2 wet days and about 11.6 hours of daylight. It is the 6th-warmest and 7th-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 35% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Atambua's 6th-clearest and 6th-windiest month. For the whole year in context, see Atambua's year-round climate.

Daytime high
28°
6th warmest
Overnight low
23°
5th coldest
Rainfall
48 mm
7.2 wet days
Daylight
11 h 36 min
5:49 AM – 5:24 PM
Cloud cover
54%
6th clearest
Wind
5 km/h
6th windiest
Solar energy
5.04 kWh/m²
Travel score
6.5
out of 10

Atambua is town in East Nusa Tenggara, Indonesia.

Density
1,465/km²
people per km²

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 28°C through the month.

A typical May day in Atambua reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°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, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How May really feels in Atambua

Once humidity and wind are folded in, May 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

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

Atambua weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°29528.112.53.6
Feb27° / 24°26025.512.33.6
Mar28° / 24°2082312.14.3
Apr28° / 23°10214.311.85.2
May28° / 23°487.211.66.5
Jun28° / 22°273.911.57.4
Jul27° / 21°132.711.57.7
Aug27° / 21°71.211.78.0
Sep28° / 22°91.711.97.4
Oct29° / 23°183.912.26.4
Nov29° / 24°7010.512.45.2
Dec28° / 24°22624.612.53.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65644
75644
85743
95743
105842
115842
125941
135941
146040
156139
166238
176238
186238
196238
206238
216238
226238
236238
246139
256139
266139
276139
286040
296040
306040
315941

Chance of precipitation in May

Any precipitation

Atambua gets around 48 mm of rain over 7.2 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 23% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
325
425
524
624
724
824
924
1024
1124
1224
1324
1424
1524
1624
1724
1824
1924
2024
2124
2223
2323
2422
2521
2621
2720
2819
2919
3018
3117

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
112079
222276
322474
422573
522771
622870
722969
823167
923266
1023365
1123464
1223563
1323563
1423662
1523761
1623761
1723860
1823860
1923860
2023959
2123959
2224058
2334057
2434156
2534255
2634255
2744353
2844452
2944551
3044650
3154749

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 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 12 minutes over May. Sunrise moves from 5:47 AM to 5:52 AM, and sunset from 5:28 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:475:28
211.75:475:28
311.75:475:27
411.75:475:27
511.75:485:27
611.65:485:27
711.65:485:26
811.65:485:26
911.65:485:26
1011.65:485:25
1111.65:485:25
1211.65:485:25
1311.65:495:25
1411.65:495:25
1511.65:495:24
1611.65:495:24
1711.65:495:24
1811.65:505:24
1911.65:505:24
2011.65:505:24
2111.65:505:24
2211.65:505:23
2311.55:515:23
2411.55:515:23
2511.55:515:23
2611.55:515:23
2711.55:515:23
2811.55:525:23
2911.55:525:23
3011.55:525:23
3111.55:525:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 6.6 kWh/m² in October across the year — May's 5.04 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Atambua

In seasonPeak

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

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

Atambua'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 Atambua?

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

6.5
Sightseeing
5th-best month of the year
7.3
Beach & pool
6th-best month of the year

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

What to pack for Atambua in May

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

In May, Atambua sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Atambua in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct29Tropical
Nov29Tropical
Dec30Tropical

UV index in Atambua 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 Atambua peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 22UV 16Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Atambua?

Atambua sits at 9.1°S, 124.9°E, 336 m above sea level, in Indonesia. The nearest listed city is Maliana, 38 km away.

Topography around Atambua

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

Within 3 km, the terrain around Atambua has significant variations in elevation — a maximum elevation change of 300 m around an average of 351 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 944 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,916 m.

The land around Atambua is covered by grassland (45%), trees (30%) and artificial surfaces (22%) within 3 km, trees (46%) and grassland (44%) within 16 km, and water (47%) and trees (34%) within 80 km.

3 km
300 m
16 km
944 m
80 km
2,916 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Maliana 38 km · Suai 46 km · Atsabe 59 km · Kefamenanu 59 km · Maubara 65 km · Gleno 73 km · Liquiçá 76 km · Aileu 85 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 Atambua (-9.1061°, 124.8925°, elevation 336 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).