Labuan weather in May

In May, Labuan sees average daytime highs of 30°C and overnight lows near 26°C, with 157 mm of rain across 21.3 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 7th-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 16% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Labuan's 5th-clearest and 12th-windiest month. For the whole year in context, see Labuan's year-round climate.

Daytime high
30°
1st warmest
Overnight low
26°
12th coldest
Rainfall
157 mm
21.3 wet days
Daylight
11 h 42 min
6:02 AM – 5:44 PM
Cloud cover
69%
5th clearest
Wind
7 km/h
12th windiest
Solar energy
5.03 kWh/m²
Travel score
3.8
out of 10

Labuan is city in Banten district, Indonesia.

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 30°C through the month.

A typical May day in Labuan reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How May really feels in Labuan

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.

Labuan weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°35228.512.33.2
Feb28° / 25°29824.712.23.3
Mar29° / 25°29428.1123.1
Apr29° / 25°25826.511.93.1
May30° / 26°15721.311.73.8
Jun29° / 25°10615.911.64.5
Jul29° / 24°7311.411.75.4
Aug29° / 24°437.811.85.8
Sep29° / 24°548.6125.3
Oct30° / 25°12915.312.14.3
Nov29° / 25°25623.912.33.4
Dec28° / 25°4202812.43.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22476
32476
42575
52575
62575
72674
82773
92971
103070
113070
123268
133565
143664
153862
164060
174159
184357
194456
204555
214555
224555
234555
244654
254654
264555
274456
284357
294357
304258
314258

Chance of precipitation in May

Any precipitation

Labuan gets around 157 mm of rain over 21.3 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 69% and peaks near 82% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
182
281
381
480
579
679
778
877
976
1075
1173
1272
1370
1469
1567
1666
1765
1864
1963
2062
2162
2261
2361
2461
2561
2661
2761
2861
2961
3061
3161

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10892
20892
30991
40991
501090
601090
701189
801288
901288
1001387
1101486
1201585
1301585
1401684
1501684
1601783
1701783
1801882
1901882
2001981
2101981
2202080
2302080
2402179
2502179
2612178
2712277
2812277
2912376
3012376
3112475

Wind in May

Winds average 7 km/h in May, the calmest month.

Across May, 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 May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 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 6:01 AM to 6:04 AM, and sunset from 5:47 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:015:47
211.86:015:47
311.86:015:47
411.86:015:46
511.86:015:46
611.86:015:46
711.76:015:46
811.76:015:46
911.76:015:45
1011.76:015:45
1111.76:015:45
1211.76:015:45
1311.76:015:45
1411.76:015:44
1511.76:015:44
1611.76:025:44
1711.76:025:44
1811.76:025:44
1911.76:025:44
2011.76:025:44
2111.76:025:44
2211.76:035:44
2311.76:035:44
2411.76:035:44
2511.76:035:44
2611.76:035:44
2711.76:035:44
2811.76:045:44
2911.76:045:44
3011.76:045:44
3111.76:045:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.07 kWh/m² in September across the year — May's 5.03 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Labuan

In seasonPeak

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

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

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

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

Is May a good time to visit Labuan?

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

3.8
Sightseeing
6th-best month of the year
5.1
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Labuan.

What to pack for Labuan in May

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

In May, Labuan sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Labuan in May

The nearest coast averages about 30°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 May at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Labuan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Labuan peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highVery highExtremeMar 12UV 15Nov 15UV 7
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug10Extreme
Sep9Very high
Oct11Extreme
Nov6High
Dec12Extreme

Air quality in Labuan in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Labuan is worst in May — around 35 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (December, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 2335 µg/m³Dec 2215 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr24Moderate
May35Poor
Jun34Moderate
Jul35Moderate
Aug32Moderate
Sep30Moderate
Oct26Moderate
Nov21Moderate
Dec14Moderate
Location & terrain

Where is Labuan?

Labuan sits at 6.4°S, 105.8°E, 12 m above sea level, in Indonesia. The nearest listed city is Pandeglang, 32 km away.

Topography around Labuan

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

Within 3 km, the terrain around Labuan has only modest variations in elevation — a maximum elevation change of 54 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,115 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,908 m.

The land around Labuan is covered by trees (42%) and water (34%) within 3 km, water (46%) and trees (36%) within 16 km, and water (55%) and trees (36%) within 80 km.

3 km
54 m
16 km
1,115 m
80 km
1,908 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Pandeglang 32 km · Serang 46 km · Rangkasbitung 46 km · Cilegon 47 km · Kresek 67 km · Cikupa 77 km · Pasarkemis 81 km · Curug 81 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 Labuan (-6.3784°, 105.83°, elevation 12 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).