Bintulu weather in August

In August, Bintulu sees average daytime highs of 31°C and overnight lows near 25°C, with 196 mm of rain across 21.1 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 6th-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 4% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Bintulu's 4th-clearest and 7th-windiest month. For the whole year in context, see Bintulu's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
25°
8th coldest
Rainfall
196 mm
21.1 wet days
Daylight
12 h 06 min
6:29 AM – 6:35 PM
Cloud cover
81%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
5.24 kWh/m²
Travel score
3.3
out of 10

Bintulu is town on the island of Borneo in the central region of Sarawak, Malaysia.

Founded
1862

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 31°C through the month.

A typical August day in Bintulu 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, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293025
303025
313025

How August really feels in Bintulu

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.

Bintulu weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°29826.111.83.2
Feb29° / 24°19221.611.93.5
Mar30° / 25°16522.6123.4
Apr30° / 25°18824.212.13.0
May31° / 25°18322.812.13.1
Jun31° / 25°17720.412.23.3
Jul31° / 25°17019.612.23.4
Aug31° / 25°19621.112.13.3
Sep30° / 25°21323.8123.1
Oct30° / 24°27427.311.92.9
Nov30° / 24°29128.411.92.7
Dec29° / 24°34828.811.82.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52080
61981
71981
81882
91882
101882
111882
121783
131684
141684
151684
161585
171585
181585
191585
201486
211486
221486
231486
241486
251486
261486
271486
281486
291387
301387
311387

Chance of precipitation in August

Any precipitation

Bintulu gets around 196 mm of rain over 21.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
160
260
360
460
561
661
762
862
963
1063
1164
1265
1365
1466
1567
1668
1768
1869
1970
2071
2172
2272
2373
2473
2574
2674
2775
2875
2976
3077
3177

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
104555
204456
304456
404456
504456
604555
704555
804654
904654
1004753
1114752
1214851
1314950
1415050
1515049
1615049
1715148
1815148
1915148
2015148
2115148
2205248
2305248
2405149
2505149
2605149
2705149
2805149
2905149
3005149
3105149

Wind in August

Winds average 7 km/h in August.

Across August, 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 August

DaylightNight

Daylight runs from about 12 h 06 min at the start of August 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 August. Sunrise moves from 6:30 AM to 6:26 AM, and sunset from 6:38 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:306:38
212.16:306:38
312.16:306:38
412.16:306:38
512.16:306:38
612.16:306:37
712.16:306:37
812.16:306:37
912.16:306:37
1012.16:296:37
1112.16:296:36
1212.16:296:36
1312.16:296:36
1412.16:296:36
1512.16:296:35
1612.16:296:35
1712.16:296:35
1812.16:296:35
1912.16:286:34
2012.16:286:34
2112.16:286:34
2212.16:286:33
2312.16:286:33
2412.16:286:33
2512.16:276:32
2612.16:276:32
2712.16:276:31
2812.16:276:31
2912.16:266:31
3012.16:266:30
3112.16:266:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 5.27 kWh/m² in March across the year — August's 5.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
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 August

Hazard calendar for Bintulu

In seasonPeak

In August, Bintulu sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Bintulu sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Bintulu?

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

3.3
Sightseeing
4th-best month of the year
4.8
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Bintulu.

What to pack for Bintulu in August

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

In August, Bintulu sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Bintulu in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in May 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 Bintulu in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Bintulu peaks around March 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 24UV 15Nov 21UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme

Air quality in Bintulu in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bintulu is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1518 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar12Moderate
Apr12Moderate
May11Good
Jun12Good
Jul13Moderate
Aug15Moderate
Sep19Moderate
Oct13Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Bintulu?

Bintulu sits at 3.2°N, 113.0°E, 8 m above sea level, in Malaysia. The nearest listed city is Sebauh, 27 km away.

Kapit

Topography around Bintulu

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

Within 3 km, the terrain around Bintulu has only modest variations in elevation — a maximum elevation change of 65 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 182 m; within 80 km, large variations in elevation — a maximum elevation change of 1,062 m.

The land around Bintulu is covered by trees (40%) and water (26%) within 3 km, trees (54%) and water (38%) within 16 km, and trees (70%) and water (29%) within 80 km.

3 km
65 m
16 km
182 m
80 km
1,062 m
treesgrasslandartificial surfacesbare terrainwater
August weather nearby: Sebauh 27 km · Tatau 38 km · Belaga 98 km · Selangau 106 km · Niah 108 km · Mukah 109 km · Dalat 119 km · Kapit 131 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 Bintulu (3.1667°, 113.0333°, elevation 8 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).