Lundu weather in May

In May, Lundu sees average daytime highs of 31°C and overnight lows near 25°C, with 246 mm of rain across 27.2 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Lundu's 3rd-clearest and 12th-windiest month. For the whole year in context, see Lundu's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
246 mm
27.2 wet days
Daylight
12 h 06 min
6:35 AM – 6:39 PM
Cloud cover
80%
3rd clearest
Wind
4 km/h
12th windiest
Solar energy
4.78 kWh/m²
Travel score
2.8
out of 10

Lundu is town in Sarawak, Malaysia.

Density
13/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 31°C through the month.

A typical May day in Lundu reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13024
23025
33025
43025
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303025
313025

How May really feels in Lundu

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.

Lundu weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°38628.811.93.2
Feb28° / 24°26524.111.93.4
Mar29° / 24°24127.7123.0
Apr30° / 24°24727.7122.7
May31° / 25°24627.212.12.8
Jun31° / 24°19823.112.13.1
Jul31° / 24°19122.312.13.3
Aug31° / 24°20022.812.13.2
Sep30° / 24°24625.4122.9
Oct30° / 24°31629.1122.8
Nov29° / 24°35629.411.92.7
Dec29° / 24°41629.211.92.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41387
51387
61486
71486
81585
91684
101684
111882
121882
131882
142080
152080
162179
172179
182179
192179
202179
212179
222080
232080
242080
251981
261981
271981
281882
291783
301783
311783

Chance of precipitation in May

Any precipitation

Lundu gets around 246 mm of rain over 27.2 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 87% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
291
391
491
590
690
789
889
988
1088
1187
1286
1386
1486
1586
1685
1785
1886
1986
2086
2186
2286
2386
2487
2587
2687
2787
2887
2987
3086
3186

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1892
2892
3793
4793
5892
6892
7892
8892
9892
10892
11892
12892
13892
14892
15892
16991
17991
18991
191090
201090
211090
221189
231189
241189
251288
261288
271288
281387
291387
301387
311387

Wind in May

Winds average 4 km/h in May, the calmest month.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 06 min at the start of May to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:36 AM to 6:35 AM, and sunset from 6:40 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:366:40
212.16:366:39
312.16:366:39
412.16:366:39
512.16:356:39
612.16:356:39
712.16:356:39
812.16:356:39
912.16:356:39
1012.16:356:39
1112.16:356:39
1212.16:356:39
1312.16:356:39
1412.16:356:39
1512.16:356:39
1612.16:356:39
1712.16:356:39
1812.16:356:39
1912.16:356:39
2012.16:356:39
2112.16:356:39
2212.16:356:40
2312.16:356:40
2412.16:356:40
2512.16:356:40
2612.16:356:40
2712.16:356:40
2812.16:356:40
2912.16:356:40
3012.16:356:40
3112.16:356:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.78 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 5.11 kWh/m² in August across the year — May's 4.78 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Is May a good time to visit Lundu?

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

2.8
Sightseeing
9th-best month of the year
4.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Lundu.

What to pack for Lundu in May

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

In May, Lundu sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Lundu 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 at the nearest coast (about 22 km away) is warmest in June at about 30°C and coldest in February near 28°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
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Lundu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lundu peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 15Jul 13UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Lundu 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 Lundu is worst in September — around 39 µg/m³ PM2.5 (poor), about 4.1× the cleanest month (January, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 938 µg/m³Jan 129 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr13Moderate
May15Moderate
Jun13Moderate
Jul18Moderate
Aug38Poor
Sep39Poor
Oct21Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Lundu?

Lundu sits at 1.7°N, 109.9°E, 9 m above sea level, in Malaysia. The nearest listed city is Bau, 44 km away.

Topography around Lundu

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

Within 3 km, the terrain around Lundu has large variations in elevation — a maximum elevation change of 673 m around an average of 70 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 894 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,649 m.

The land around Lundu is covered by trees (77%) within 3 km, trees (67%) and water (21%) within 16 km, and trees (58%) and water (37%) within 80 km.

3 km
673 m
16 km
894 m
80 km
1,649 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Bau 44 km · Kuching 55 km · Siburan 70 km · Kota Sambas 70 km · Tebedu 92 km · Serian 97 km · Bengkayang 104 km · Simunjan 105 km

Malaysia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$13,125
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
22.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 581
Religion
Muslim 64%Buddhist 19%Christian 9%Hindu 6%

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 Lundu (1.6744°, 109.8517°, elevation 9 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. 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).