Tutong weather in December

In December, Tutong sees average daytime highs of 29°C and overnight lows near 24°C, with 266 mm of rain across 28.2 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Tutong's 12th-clearest and 5th-windiest month. For the whole year in context, see Tutong's year-round climate.

Daytime high
29°
10th warmest
Overnight low
24°
5th coldest
Rainfall
266 mm
28.2 wet days
Daylight
11 h 42 min
6:26 AM – 6:09 PM
Cloud cover
88%
12th clearest
Wind
8 km/h
5th windiest
Solar energy
4.52 kWh/m²
Travel score
3.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Tutong reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°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)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Tutong

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.

Tutong weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°22624.311.83.5
Feb29° / 24°16020.311.83.8
Mar29° / 24°14422.7123.6
Apr30° / 25°19425.512.13.0
May30° / 25°20824.312.23.1
Jun30° / 25°21121.412.33.4
Jul30° / 25°1942212.33.4
Aug30° / 25°19521.812.23.4
Sep30° / 25°21423.4123.2
Oct30° / 24°25827.611.93.0
Nov30° / 24°27228.211.82.8
Dec29° / 24°26628.211.73.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5991
6892
7793
8892
9892
10892
11892
12892
13793
14793
15892
16793
17793
18793
19793
20793
21793
22793
23694
24793
25694
26694
27694
28694
29694
30694
31793

Chance of precipitation in December

Any precipitation

Tutong gets around 266 mm of rain over 28.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 91% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
292
392
492
591
691
790
890
990
1090
1190
1290
1390
1490
1590
1690
1791
1891
1991
2092
2192
2292
2392
2491
2591
2690
2790
2889
2988
3088
3187

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
104159
204258
304258
404258
504357
604357
704357
804357
904357
1004357
1104357
1204357
1304357
1404357
1504357
1604357
1704357
1804357
1904357
2004456
2104456
2204555
2304555
2404654
2504654
2604753
2714752
2814752
2914851
3014851
3114851

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 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 6:19 AM to 6:33 AM, and sunset from 6:03 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:196:03
211.76:196:04
311.76:206:04
411.76:206:04
511.76:216:05
611.76:216:05
711.76:226:06
811.76:226:06
911.76:236:06
1011.76:236:07
1111.76:236:07
1211.76:246:08
1311.76:246:08
1411.76:256:08
1511.76:256:09
1611.76:266:09
1711.76:266:10
1811.76:276:10
1911.76:276:11
2011.76:286:11
2111.76:286:12
2211.76:296:12
2311.76:296:12
2411.76:306:13
2511.76:306:13
2611.76:316:14
2711.76:316:14
2811.76:316:15
2911.76:326:15
3011.76:326:16
3111.76:336:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 5.64 kWh/m² in April across the year — December's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Tutong

In seasonPeak

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

Tutong 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 Tutong?

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

3.0
Sightseeing
9th-best month of the year
3.9
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Tutong.

What to pack for Tutong in December

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

In December, Tutong sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Tutong 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 offshore is warmest in May at about 30°C and coldest in February near 27°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
Jan28Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Tutong in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tutong peaks around February 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 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 14Dec 10UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tutong 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 Tutong is worst in September — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1525 µg/m³Dec 1916 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar24Moderate
Apr22Moderate
May23Moderate
Jun21Moderate
Jul21Moderate
Aug21Moderate
Sep25Moderate
Oct20Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Tutong?

Tutong sits at 4.8°N, 114.6°E, 8 m above sea level, in Brunei. The nearest listed city is Liang, 22 km away.

LiangSengkurongBandar Seri BegawanLimbangSeriaMentiriBangarSerasa

Topography around Tutong

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

Within 3 km, the terrain around Tutong has only modest variations in elevation — a maximum elevation change of 79 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 120 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,383 m.

The land around Tutong is covered by trees (44%) and water (31%) within 3 km, water (47%) and trees (46%) within 16 km, and trees (57%) and water (39%) within 80 km.

3 km
79 m
16 km
120 m
80 km
1,383 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
December weather nearby: Liang 22 km · Sengkurong 22 km · Bandar Seri Begawan 34 km · Limbang 40 km · Seria 42 km · Mentiri 45 km · Bangar 48 km · Serasa 51 km

Brunei travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$32,235
2025
Homicide rate
0.5
per 100k, 2013
Road deaths
7.5
per 100k/yr, 2019
Income group
High
World Bank
Religion
Muslim 82%Christian 7%Buddhist 6%other 5%

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 Tutong (4.8028°, 114.6492°, 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).