Selangau weather in August

In August, Selangau sees average daytime highs of 31°C and overnight lows near 23°C, with 206 mm of rain across 22.9 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 10th-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 3% of the time in August, and the air most often feels oppressive.

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 Selangau's 3rd-clearest and 4th-windiest month. For the whole year in context, see Selangau's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
7th coldest
Rainfall
206 mm
22.9 wet days
Daylight
12 h 06 min
6:32 AM – 6:37 PM
Cloud cover
82%
3rd clearest
Wind
5 km/h
4th windiest
Solar energy
5.06 kWh/m²
Travel score
2.9
out of 10

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 Selangau reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How August really feels in Selangau

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.

Selangau weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°32428.311.92.7
Feb30° / 23°2602411.92.8
Mar31° / 23°24826.8122.6
Apr31° / 24°26027.612.12.4
May31° / 24°23626.612.12.6
Jun31° / 23°1942212.13.0
Jul31° / 23°19221.312.13.1
Aug31° / 23°20622.912.12.9
Sep31° / 23°25124.9122.7
Oct31° / 23°29228.411.92.5
Nov31° / 23°31328.711.92.4
Dec30° / 23°3562911.92.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51783
61783
71684
81684
91585
101585
111585
121486
131387
141387
151387
161387
171189
181189
191189
201090
211090
22991
23991
24991
25991
261090
271090
281090
291090
301090
311090

Chance of precipitation in August

Any precipitation

Selangau gets around 206 mm of rain over 22.9 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 73% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
366
467
567
668
768
869
970
1070
1171
1271
1372
1472
1573
1674
1774
1875
1975
2076
2176
2277
2377
2478
2578
2679
2779
2880
2980
3080
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105545
205545
305545
405545
505545
605545
705545
805545
905644
1015544
1115544
1215643
1315643
1415643
1515643
1615742
1715742
1815742
1915841
2015841
2115841
2215841
2315841
2405941
2505941
2605941
2705941
2805941
2905941
3005941
3106040

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 5 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
205calm
215calm
225calm
235calm
245calm
255calm
264calm
274calm
284calm
294calm
304calm
314calm

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 6:33 AM to 6:29 AM, and sunset from 6:40 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:336:40
212.16:336:40
312.16:336:40
412.16:336:40
512.16:336:40
612.16:336:39
712.16:336:39
812.16:336:39
912.16:336:39
1012.16:336:39
1112.16:336:38
1212.16:336:38
1312.16:336:38
1412.16:336:38
1512.16:326:38
1612.16:326:37
1712.16:326:37
1812.16:326:37
1912.16:326:36
2012.16:326:36
2112.16:316:36
2212.16:316:36
2312.16:316:35
2412.16:316:35
2512.16:316:34
2612.16:306:34
2712.16:306:34
2812.16:306:33
2912.16:306:33
3012.16:296:33
3112.16:296:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.06 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.06 kWh/m² in August across the year — August's 5.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Selangau

In seasonPeak

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

Selangau 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 Selangau?

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

2.9
Sightseeing
3rd-best month of the year
4.4
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Selangau.

What to pack for Selangau in August

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

In August, Selangau sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Selangau 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 45 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 Selangau 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 Selangau peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 14UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Selangau 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 Selangau is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr10Good
May10Good
Jun10Good
Jul12Good
Aug14Moderate
Sep19Moderate
Oct12Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Selangau?

Selangau sits at 2.5°N, 112.3°E, 96 m above sea level, in Malaysia. The nearest listed city is Dalat, 31 km away.

Topography around Selangau

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

Within 3 km, the terrain around Selangau has only modest variations in elevation — a maximum elevation change of 164 m around an average of 38 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 352 m; within 80 km, large variations in elevation — a maximum elevation change of 1,068 m.

The land around Selangau is covered by trees (96%) within 3 km, trees (98%) within 16 km, and trees (83%) within 80 km.

3 km
164 m
16 km
352 m
80 km
1,068 m
treesgrasslandartificial surfaceswater
August weather nearby: Dalat 31 km · Mukah 49 km · Sibu Jaya 50 km · Kanowit 51 km · Sibu 62 km · Tatau 71 km · Julau 72 km · Kapit 90 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 Selangau (2.5248°, 112.3254°, elevation 96 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).