Sebauh weather in December

In December, Sebauh sees average daytime highs of 30°C and overnight lows near 23°C, with 355 mm of rain across 29 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 1st-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 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Sebauh's 12th-clearest and 2nd-windiest month. For the whole year in context, see Sebauh's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
7th coldest
Rainfall
355 mm
29 wet days
Daylight
11 h 48 min
6:28 AM – 6:18 PM
Cloud cover
93%
12th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.12 kWh/m²
Travel score
2.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Sebauh reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Sebauh

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sebauh weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30727.211.82.8
Feb30° / 23°23823.511.92.8
Mar31° / 23°24026.8122.6
Apr31° / 24°27327.412.12.4
May32° / 24°2452612.12.5
Jun31° / 23°21122.912.22.8
Jul31° / 23°20422.112.22.9
Aug32° / 23°22823.912.12.8
Sep31° / 23°25425122.6
Oct31° / 23°31228.811.92.4
Nov31° / 23°3292911.92.4
Dec30° / 23°3552911.82.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13397
14298
15298
16298
17298
18298
19298
20298
21298
22199
23199
24199
25199
26199
27298
28298
29298
30298
31298

Chance of precipitation in December

Any precipitation

Sebauh gets around 355 mm of rain over 29 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
395
495
594
694
793
893
993
1092
1192
1292
1392
1492
1592
1692
1792
1893
1993
2093
2194
2294
2394
2494
2594
2694
2794
2893
2993
3093
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14456
24456
34555
44555
54555
64555
74555
84555
94555
104555
114654
124654
134654
144654
154654
164753
174753
184753
194852
204852
214951
224951
235050
245149
255248
265248
275347
285347
295446
305446
315545

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 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
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 min at the start of December to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:22 AM to 6:35 AM, and sunset from 6:12 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:226:12
211.86:226:12
311.86:236:12
411.86:236:13
511.86:236:13
611.86:246:13
711.86:246:14
811.86:256:14
911.86:256:15
1011.86:266:15
1111.86:266:16
1211.86:276:16
1311.86:276:16
1411.86:286:17
1511.86:286:17
1611.86:286:18
1711.86:296:18
1811.86:296:19
1911.86:306:19
2011.86:306:20
2111.86:316:20
2211.86:316:20
2311.86:326:21
2411.86:326:21
2511.86:336:22
2611.86:336:22
2711.86:346:23
2811.86:346:23
2911.86:356:24
3011.86:356:24
3111.86:356:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.12 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 5.13 kWh/m² in August across the year — December's 4.12 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in December

Hazard calendar for Sebauh

In seasonPeak

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

Sebauh 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 December a good time to visit Sebauh?

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

2.5
Sightseeing
8th-best month of the year
3.6
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Sebauh.

What to pack for Sebauh in December

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

In December, Sebauh sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Sebauh in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 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
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Sebauh in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sebauh 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 Sebauh in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sebauh 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 Sebauh?

Sebauh sits at 3.1°N, 113.3°E, 10 m above sea level, in Malaysia. The nearest listed city is Bintulu, 27 km away.

SelangauKapitMukahBeluru

Topography around Sebauh

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

Within 3 km, the terrain around Sebauh has only modest variations in elevation — a maximum elevation change of 111 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 349 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,218 m.

The land around Sebauh is covered by trees (91%) within 3 km, trees (97%) within 16 km, and trees (78%) and water (21%) within 80 km.

3 km
111 m
16 km
349 m
80 km
1,218 m
treesgrasslandartificial surfaceswater
December weather nearby: Bintulu 27 km · Tatau 53 km · Belaga 74 km · Niah 97 km · Selangau 124 km · Kapit 130 km · Mukah 133 km · Beluru 134 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 Sebauh (3.1167°, 113.2667°, elevation 10 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).