Tutong weather in January

In January, Tutong sees average daytime highs of 29°C and overnight lows near 24°C, with 226 mm of rain across 24.3 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 4th-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 5% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Tutong's 9th-clearest and 2nd-windiest month. For the whole year in context, see Tutong's year-round climate.

Daytime high
29°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
226 mm
24.3 wet days
Daylight
11 h 42 min
6:38 AM – 6:23 PM
Cloud cover
85%
9th clearest
Wind
9 km/h
2nd windiest
Solar energy
4.76 kWh/m²
Travel score
3.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January 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, January runs on par with December and on par with February.

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 January really feels in Tutong

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

Tutong weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
61090
71090
81189
91189
101189
111189
121189
131189
141189
151189
161189
171288
181288
191288
201288
211288
221288
231288
241387
251288
261288
271288
281387
291387
301387
311387

Chance of precipitation in January

Any precipitation

Tutong gets around 226 mm of rain over 24.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
285
384
484
583
682
782
882
982
1082
1181
1281
1381
1481
1580
1680
1779
1879
1978
2077
2177
2276
2375
2475
2574
2674
2773
2872
2972
3072
3172

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive 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 (%)
114950
214950
315049
415049
515148
615148
715247
815346
915445
1015445
1115544
1215643
1315742
1415841
1515940
1615940
1715940
1816039
1916039
2016039
2116039
2215940
2325840
2425840
2515940
2615940
2715940
2815940
2915940
3015940
3116039

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 42 min at the start of January to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:33 AM to 6:41 AM, and sunset from 6:16 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:336:16
211.76:336:17
311.76:346:17
411.76:346:18
511.76:346:18
611.76:356:19
711.76:356:19
811.76:366:20
911.76:366:20
1011.76:366:21
1111.76:376:21
1211.76:376:21
1311.76:376:22
1411.76:386:22
1511.76:386:23
1611.76:386:23
1711.86:386:24
1811.86:396:24
1911.86:396:24
2011.86:396:25
2111.86:396:25
2211.86:406:26
2311.86:406:26
2411.86:406:26
2511.86:406:27
2611.86:406:27
2711.86:416:27
2811.86:416:28
2911.86:416:28
3011.86:416:28
3111.86:416:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.76 kWh/m².

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 — January's 4.76 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Hazard calendar for Tutong

In seasonPeak

In January, 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 January a good time to visit Tutong?

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

3.5
Sightseeing
3rd-best month of the year
4.5
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Tutong.

What to pack for Tutong in January

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

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

light clothesrain gearsun protection

Sea temperature near Tutong in January

The nearest coast averages about 28°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).