Climate and monthly weather forecast
Bandar Seri Begawan, Brunei

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The majestic grandeur of the Sultan Omar Ali Saifuddin Mosque, in Bandar Seri Begawan, Brunei
The majestic grandeur of the Sultan Omar Ali Saifuddin Mosque, in Bandar Seri Begawan, Brunei

The climate of Bandar Seri Begawan

Bandar Seri Begawan, the capital city of Brunei, is marked by geographical position that situates it in the equatorial region. This strategic location has shaped its climate characteristics, classified under Af or Tropical rainforest under the Köppen climate classification.

Throughout the year, the climate of Bandar Seri Begawan remains consistently warm with high humidity. The city records average high temperatures varying from 30.1°C (86.2°F) to 31.3°C (88.3°F), suggesting minimal variation between different months. Similarly, the average low temperatures hover from 25°C (77°F) to 26.3°C (79.3°F). A predominately humid atmosphere persists throughout with relative humidity percentages from 75% to 81%.

Bandar Seri Begawan experiences considerable rainfall distributed fairly evenly over the year. The quantity of rainfall recorded ranges from 73mm (2.87") to 206mm (8.11"), showcasing variability in precipitation. The number of rainfall days per month also varies from 21.3 to 28.7 days.

Observing the trend in the data, it's apparent that there isn't a defined dry season in Bandar Seri Begawan. Instead, the city demonstrates a pronounced rainy season from October to December, with November and December receiving the highest average rainfall of 165mm (6.5") and 206mm (8.11") respectively.

The best time to visit Bandar Seri Begawan

Considering the weather data, the most pleasant period to plan a visit to Bandar Seri Begawan would be from February to April. During this period, the city experiences slightly reduced average rainfall between 73mm (2.87") and 127mm (5"). The temperatures maintain a favourable atmosphere for sightseeing with average highs fluctuating between 29.2°C (84.6°F) and 30.7°C (87.3°F) and lows between 25°C (77°F) and 25.8°C (78.4°F).

The worst time to visit Bandar Seri Begawan

Based on the weather pattern, the periods of November and December stand out as potentially the least favorable times to visit Bandar Seri Begawan. During these months, the city experiences its maximum recorded average rainfall from 165mm (6.5") to 206mm (8.11") coupled with maximum rainfall days count, suggesting high chances of disrupted travel plans due to wet weather.

Spring weather in Bandar Seri Begawan

In the months of March, April, and May which can be compared to spring in Bandar Seri Begawan, weather conditions remain fairly warm with average high temperatures moving from 30.7°C (87.3°F) to 31.3°C (88.3°F). The minimum temperatures range from 25.1°C (77.2°F) to 26.3°C (79.3°F). Rainfall exhibits an upward trend with May receiving 152mm (5.98") of precipitation.

Summer weather in Bandar Seri Begawan

During the months of June, July, and August, considered as the summer months, Bandar Seri Begawan experiences slightly less rainfall than spring with volumes from 141mm (5.55") to 160mm (6.3"). The average high temperatures remain consistent, oscillating between 30.9°C (87.6°F) and 31.3°C (88.3°F), while the average lows similarly fluctuate from 25.6°C (78.1°F) to 25.9°C (78.6°F).

Autumn weather in Bandar Seri Begawan

Autumn, particularly represented by the months of September, October, and November, observes a significant rise in rainfall with an increase from 113mm (4.45") to 165mm (6.5"). Temperature highs vary slightly from 30.5°C (86.9°F) to 30.8°C (87.4°F), and the lows remain steady around 25.8°C (78.4°F) in Bandar Seri Begawan.

Winter weather in Bandar Seri Begawan

Winter months comprise of December, January, and February in Bandar Seri Begawan, and these months register the highest rainfall in the year, from 144mm (5.67") to 206mm (8.11"). December notably receives the highest precipitation in Bandar Seri Begawan. The temperatures during these months range from 29.2°C (84.6°F) to 30.1°C (86.2°F) as the high and 25.2°C (77.4°F) to 25.7°C (78.3°F) as the lows with relative humidity percentages ranging from 79% to 81%.

Weather in January

In Bandar Seri Begawan, Brunei, January greets inhabitants with consistently warm weather and high rainfall, marking the beginning of the year with liquid bounty. The month exhibits the typical oceanic climate with no significant temperature swings, offering a stable humidity level that makes it comfortable for residents and visitors alike. Weather in January »

Weather in February

As February emerges in Bandar Seri Begawan, a subtle decline in rainfall is apparent, indicating a shift towards a less wet season. The temperature remains stable as in the preceding month, and sea temperature sustains its delightful warmth. Weather in February »

Weather in March

March sees a slight uptick in rainfall compared to February, maintaining the city's reputation for a predictable climate. The weather in Bandar Seri Begawan continues to exhibit consistency in temperature, providing optimal conditions for outdoor activities. Weather in March »

Weather in April

April in Bandar Seri Begawan brings with it a detectable increase in temperature, hinting at the onset of warmer months. The city bathes in a consistent level of sunshine with little fluctuation in atmospheric pressure, fostering ideal conditions for exploration and leisure activities. Weather in April »

Weather in May

As May arrives in Bandar Seri Begawan, warmer temperatures greet locals and visitors alike. The pattern of increasing rainfall persists from the previous month, making it an excellent period for those who enjoy the rhythm of tropical rain. Weather in May »

Weather in June

June in Bandar Seri Begawan offers a breath of respite as rainfall begins to recede compared to the previous month. The weather retains its characteristic tropical mood, offering sunny days interspersed with showers conducive to adventurous souls. Weather in June »

Weather in July

July's weather remains harmonious with the preceding months in Bandar Seri Begawan, demonstrating a minor decrease in temperature and rainfall compared to June. The month marks the midpoint of the year, persistently upholding the consistent tropical climate that makes Bandar Seri Begawan a favored destination. Weather in July »

Weather in August

As Bandar Seri Begawan moves into August, a slight drop in temperature and humidity is evident from July, making for pleasant weather conditions. The city continues to enjoy regular rainfall, nurturing its tropical vegetation and contributing to its vibrant ecosystem. Weather in August »

Weather in September

September graces Bandar Seri Begawan with further reduced temperatures and rainfall from August, promoting cooler weather for the inhabitants. The city's stable climate means that these changes are subtle, causing no major deviations from the overall year-round patterns that characterize its weather. Weather in September »

Weather in October

In Bandar Seri Begawan, October indicates a shift in climate towards greater rainfall and consistent temperatures. The marine influence endures, presenting favorable conditions for individuals inclined towards coastal activities. Weather in October »

Weather in November

As Bandar Seri Begawan approaches the end of the year, November ushers in a slight increase in humidity while maintaining consistent temperatures. The city continues to enjoy considerable rainfall complemented by steady weather conditions, fostering its verdant landscape. Weather in November »

Weather in December

December in Bandar Seri Begawan brings the year to a close by maintaining a stable climate with high humidity and increased rainfall. The city remains committed to its consistent weather pattern, offering a harmonious conclusion to the year. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Bandar Seri Begawan?

The coldest period in Bandar Seri Begawan, with an average high-temperature of 29.2°C (84.6°F), falls in January and February.

What is the most humid month in Bandar Seri Begawan?

January through March, with an average relative humidity of 81%, are most humid months in Bandar Seri Begawan, Brunei.

How many days does it rain in Bandar Seri Begawan?

Throughout the year, in Bandar Seri Begawan, Brunei, there are 310.9 rainfall days, and 1693mm (66.65") of precipitation is accumulated.

What is the month with the least sunshine in Bandar Seri Begawan?

January has the least sunshine of the year, with an average of 8.2h of sunshine.

What is the month with the highest UV index in Bandar Seri Begawan?

The months with the highest UV index in Bandar Seri Begawan are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Bandar Seri Begawan?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bandar Seri Begawan, Brunei.

What is the driest month in Bandar Seri Begawan?

February is the month with the least rainfall in Bandar Seri Begawan. Rain falls for 21.3 days and accumulates 73mm (2.87") of precipitation.

What is the month with the coldest sea water in Bandar Seri Begawan?

With an average sea temperature of 26.9°C (80.4°F), February is the month with the coldest seawater in Bandar Seri Begawan, Brunei.

What is the warmest month in Bandar Seri Begawan?

Bandar Seri Begawan experiences peak temperatures, averaging a high-temperature of 31.3°C (88.3°F) during May and June.

What are the months with the warmest sea water in Bandar Seri Begawan?

June and July, with an average sea temperature of 30.3°C (86.5°F), are months with the warmest seawater in Bandar Seri Begawan.

When are the longest days in Bandar Seri Begawan?

June has the longest days of the year in Bandar Seri Begawan, with an average of 12h and 24min of daylight.

What is the least humid month in Bandar Seri Begawan?

August and September, with an average relative humidity of 75%, are the least humid months.

What month has the most sunshine in Bandar Seri Begawan?

September has the most sunshine of the year in Bandar Seri Begawan, Brunei, with an average of 9h of sunshine.

What is the wettest month in Bandar Seri Begawan?

December is the month with the most rainfall in Bandar Seri Begawan. Rain falls for 28.7 days and accumulates 206mm (8.11") of precipitation.

What is the month with the shortest days in Bandar Seri Begawan?

The month with the shortest days is December, with an average of 11h and 48min of daylight.

Is there Daylight Saving Time (DST) in Bandar Seri Begawan?

Bandar Seri Begawan, Brunei, does not utilize Daylight Saving Time (DST). +08 timezone is used throughout the entire year.

Average temperature
Bandar Seri Begawan, Brunei

Average temperature - Bandar Seri Begawan, Brunei

The warmest months (with the highest average high temperature) are May and June (31.3°C).
The months with the lowest average high temperature are January and February (29.2°C).

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is February (25°C).

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Average pressure
Bandar Seri Begawan, Brunei

Average pressure - Bandar Seri Begawan, Brunei

The months with the highest atmospheric pressure are February and March (1010.5mbar).
The months with the lowest atmospheric pressure are November and December (1009.3mbar).

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Average wind speed
Bandar Seri Begawan, Brunei

Average wind speed - Bandar Seri Begawan, Brunei

The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is May (7.7km/h).

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Average humidity
Bandar Seri Begawan, Brunei

Average humidity - Bandar Seri Begawan, Brunei

The months with the highest relative humidity are January, February and March (81%).
The months with the lowest relative humidity are August and September (75%).

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Average rainfall
Bandar Seri Begawan, Brunei

Average rainfall - Bandar Seri Begawan, Brunei

The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is February (73mm).

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Average rainfall days
Bandar Seri Begawan, Brunei

Average rainfall days - Bandar Seri Begawan, Brunei

The month with the highest number of rainy days is December (28.7 days).
The month with the least rainy days is February (21.3 days).

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Average sea temperature
Bandar Seri Begawan, Brunei

Average sea temperature - Bandar Seri Begawan, Brunei

The best months for swimming (with the highest average sea temperature) are June and July (30.3°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

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Average daylight / Average sunshine
Bandar Seri Begawan, Brunei

Average daylight / Average sunshine - Bandar Seri Begawan, Brunei

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 8h and 12min).

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Average sunshine days
Bandar Seri Begawan, Brunei

Average sunshine days - Bandar Seri Begawan, Brunei

The months with the most sunshine days are February and June (4.8 days).
The month with the least sunshine days is November (0.6 days).

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Average UV index
Bandar Seri Begawan, Brunei

Average UV index - Bandar Seri Begawan, Brunei

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover
Bandar Seri Begawan, Brunei

Average cloud cover - Bandar Seri Begawan, Brunei

The months with the most cloud cover are January and December (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 36).

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Average visibility
Bandar Seri Begawan, Brunei

Average visibility - Bandar Seri Begawan, Brunei

The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).

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Bandar Seri Begawan, Brunei

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