Bandar Seri Begawan weather in January

In January, Bandar Seri Begawan sees average daytime highs of 30°C and overnight lows near 25°C, with 162 mm of rain across 19.2 wet days and about 11.7 hours of daylight. It is the 12th-warmest and 8th-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 6% of the time in January, and the air most often feels miserable.

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 Bandar Seri Begawan's 9th-clearest and 2nd-windiest month. For the whole year in context, see Bandar Seri Begawan's year-round climate.

Daytime high
30°
12th warmest
Overnight low
25°
1st coldest
Rainfall
162 mm
19.2 wet days
Daylight
11 h 42 min
6:37 AM – 6:22 PM
Cloud cover
83%
9th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.03 kWh/m²
Travel score
3.8
out of 10

Bandar Seri Begawan is capital and largest city of Brunei.

Founded
1906

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Bandar Seri Begawan reaches about 30°C in the afternoon and slips back to 25°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 31°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How January really feels in Bandar Seri Begawan

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.

Bandar Seri Begawan weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°16219.211.73.8
Feb30° / 25°10513.311.84.2
Mar31° / 25°9115.8123.8
Apr32° / 25°13119.512.13.1
May32° / 26°14821.512.22.9
Jun31° / 25°18519.812.33.1
Jul31° / 25°17921.112.33.1
Aug31° / 25°18221.312.23.1
Sep31° / 25°19623.2122.9
Oct30° / 25°25426.911.92.8
Nov30° / 25°2322611.82.8
Dec30° / 25°22224.711.73.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31288
41288
51288
61387
71387
81387
91387
101387
111387
121387
131387
141288
151387
161387
171387
181387
191387
201387
211387
221387
231387
241486
251486
261486
271585
281684
291783
301783
311783

Chance of precipitation in January

Any precipitation

Bandar Seri Begawan gets around 162 mm of rain over 19.2 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 62% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
372
470
569
669
768
867
966
1066
1165
1265
1364
1464
1563
1662
1762
1861
1960
2060
2159
2258
2358
2457
2556
2655
2755
2854
2953
3052
3152

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
113762
213861
313960
414059
514158
614356
714455
814554
914653
1014752
1114851
1214851
1314950
1415049
1515049
1615148
1715148
1815247
1915247
2025147
2125147
2225147
2325048
2425048
2525048
2625048
2715148
2815148
2915247
3015247
3115346

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:32 AM to 6:40 AM, and sunset from 6:15 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:326:15
211.76:326:16
311.76:336:16
411.76:336:16
511.76:336:17
611.76:346:17
711.76:346:18
811.76:356:18
911.76:356:19
1011.76:356:19
1111.76:366:20
1211.76:366:20
1311.76:366:21
1411.76:376:21
1511.76:376:21
1611.76:376:22
1711.76:376:22
1811.76:386:23
1911.86:386:23
2011.86:386:23
2111.86:386:24
2211.86:396:24
2311.86:396:25
2411.86:396:25
2511.86:396:25
2611.86:396:26
2711.86:406:26
2811.86:406:26
2911.86:406:27
3011.86:406:27
3111.86:406:27

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 5.92 kWh/m² in April across the year — January's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Bandar Seri Begawan

In seasonPeak

In January, Bandar Seri Begawan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Bandar Seri Begawan 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 Bandar Seri Begawan?

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

3.8
Sightseeing
2nd-best month of the year
5.1
Beach & pool
3rd-best month of the year

January is a weaker month for outdoor sightseeing in Bandar Seri Begawan.

What to pack for Bandar Seri Begawan in January

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

In January, Bandar Seri Begawan sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Bandar Seri Begawan 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 at the nearest coast (about 21 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
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Bandar Seri Begawan 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 Bandar Seri Begawan 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 Bandar Seri Begawan 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 Bandar Seri Begawan is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1417 µg/m³Dec 109 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar15Moderate
Apr16Moderate
May16Moderate
Jun14Moderate
Jul14Moderate
Aug14Moderate
Sep17Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Bandar Seri Begawan?

Bandar Seri Begawan sits at 4.9°N, 114.9°E, 10 m above sea level, in Brunei. The nearest listed city is Sengkurong, 12 km away.

SengkurongMentiriLimbangSerasaMuaraBangarTutongLawas

Topography around Bandar Seri Begawan

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

Within 3 km, the terrain around Bandar Seri Begawan has only modest variations in elevation — a maximum elevation change of 145 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,796 m.

The land around Bandar Seri Begawan is covered by trees (55%) and artificial surfaces (27%) within 3 km, trees (50%) and water (25%) within 16 km, and trees (55%) and water (41%) within 80 km.

3 km
145 m
16 km
198 m
80 km
1,796 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
January weather nearby: Sengkurong 12 km · Mentiri 13 km · Limbang 17 km · Serasa 19 km · Muara 21 km · Bangar 25 km · Tutong 34 km · Lawas 52 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 Bandar Seri Begawan (4.8903°, 114.9401°, 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).