Sibu Jaya weather in August

In August, Sibu Jaya sees average daytime highs of 31°C and overnight lows near 24°C, with 185 mm of rain across 21.5 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 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 hours by month's end. Set against the rest of the year, August is Sibu Jaya's 3rd-clearest and 4th-windiest month. For the whole year in context, see Sibu Jaya's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
24°
9th coldest
Rainfall
185 mm
21.5 wet days
Daylight
12 h 06 min
6:34 AM – 6:38 PM
Cloud cover
81%
3rd clearest
Wind
4 km/h
4th windiest
Solar energy
4.96 kWh/m²
Travel score
3.0
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 Sibu Jaya reaches about 31°C in the afternoon and slips back to 24°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)
13124
23124
33124
43224
53224
63224
73224
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293123
303123
313123

How August really feels in Sibu Jaya

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.

Sibu Jaya 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°29927.511.92.8
Feb30° / 23°22923.411.92.9
Mar31° / 24°21825.9122.7
Apr31° / 24°22626.6122.5
May31° / 24°21125.612.12.7
Jun31° / 24°17021.112.13.1
Jul31° / 24°17220.712.13.2
Aug31° / 24°18521.512.13.0
Sep31° / 23°23424.4122.8
Oct31° / 23°26327.7122.6
Nov30° / 23°28828.511.92.5
Dec30° / 23°31728.711.92.6

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 11% of August, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61882
71882
81882
91783
101783
111684
121684
131684
141684
151486
161387
171387
181387
191387
201387
211288
221288
231189
241189
251288
261288
271288
281288
291288
301288
311288

Chance of precipitation in August

Any precipitation

Sibu Jaya gets around 185 mm of rain over 21.5 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 70% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
263
362
463
563
663
764
864
965
1065
1166
1266
1367
1468
1569
1670
1770
1871
1972
2073
2173
2274
2374
2475
2576
2676
2777
2878
2978
3079
3179

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
103763
203664
303664
403664
503664
603664
703763
803763
903763
1003763
1113861
1213861
1313861
1413960
1513960
1613960
1713960
1813960
1913960
2013960
2113960
2203961
2303961
2403961
2503862
2603862
2703862
2803862
2903862
3003862
3103961

Wind in August

Winds average 4 km/h in August.

Across August, 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 August

DaylightNight

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

Days shrink by about 6 minutes over August. Sunrise moves from 6:35 AM to 6:31 AM, and sunset from 6:41 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:356:41
212.16:356:41
312.16:356:41
412.16:356:41
512.16:356:41
612.16:356:40
712.16:356:40
812.16:356:40
912.16:356:40
1012.16:356:40
1112.16:356:40
1212.16:356:39
1312.16:346:39
1412.16:346:39
1512.16:346:39
1612.16:346:38
1712.16:346:38
1812.16:346:38
1912.16:336:38
2012.16:336:37
2112.16:336:37
2212.16:336:37
2312.16:336:36
2412.16:336:36
2512.16:326:36
2612.16:326:35
2712.16:326:35
2812.16:326:35
2912.06:316:34
3012.06:316:34
3112.06:316:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 4.96 kWh/m² in August across the year — August's 4.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Sibu Jaya?

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

3.0
Sightseeing
3rd-best month of the year
4.6
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Sibu Jaya.

What to pack for Sibu Jaya in August

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

In August, Sibu Jaya sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Sibu Jaya 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 Sibu Jaya 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
Nov11Extreme
Dec11Extreme

Air quality in Sibu Jaya 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 Sibu Jaya is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodSep 1325 µg/m³Dec 1411 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar13Moderate
Apr14Moderate
May13Moderate
Jun14Moderate
Jul16Moderate
Aug22Moderate
Sep26Moderate
Oct17Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Sibu Jaya?

Sibu Jaya sits at 2.2°N, 112.0°E, 68 m above sea level, in Malaysia. The nearest listed city is Sibu, 18 km away.

Topography around Sibu Jaya

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

Within 3 km, the terrain around Sibu Jaya has only modest variations in elevation — a maximum elevation change of 47 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 223 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.

The land around Sibu Jaya is covered by trees (75%) within 3 km, trees (90%) within 16 km, and trees (90%) within 80 km.

3 km
47 m
16 km
223 m
80 km
971 m
treesgrasslandartificial surfacesbare terrainwatermangroves
August weather nearby: Sibu 18 km · Kanowit 25 km · Julau 26 km · Maradong 43 km · Dalat 49 km · Selangau 50 km · Pakan 51 km · Sarikei 52 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 Sibu Jaya (2.2403°, 111.9714°, elevation 68 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. 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).