January 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

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. Furthermore, weather patterns strongly favor abundant rainfall making it a robust start to the year. Interestingly, January's humidity at 81% coupled with a rainfall of 144mm (5.67"), sets the pace for the succeeding month. Wind speed is typically moderate, and UV index remains stable paving the way for a pleasant start to the year.

Temperature

Bandar Seri Begawan witnesses its lowest temperatures in January and February, reaching an average of 29.2°C (84.6°F).

Heat index

During January, the heat index is evaluated at a fiery hot 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

January through March, with an average relative humidity of 81%, are the most humid months.

Rainfall

In January, in Bandar Seri Begawan, the rain falls for 26.8 days. Throughout January, 144mm (5.67") of precipitation is accumulated. Throughout the year, in Bandar Seri Begawan, Brunei, there are 310.9 rainfall days, and 1693mm (66.65") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature in Bandar Seri Begawan, Brunei, is 27.5°C (81.5°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

The average length of the day in January is 11h and 52min.
On the first day of January, sunrise is at 06:28 and sunset at 18:18. On the last day of the month, sunrise is at 06:36 and sunset at 18:30 +08.

Sunshine

With an average of 8.2h of sunshine, January has the least sunshine of the year in Bandar Seri Begawan.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bandar Seri Begawan, Brunei. The months with the lowest UV index in Bandar Seri Begawan are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in January converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice! The Sun's UV exposure elevates with sand and water reflections.
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Frequently asked questions

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

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

How hot is January in Bandar Seri Begawan?

Bandar Seri Begawan in January has an average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 25.2°C (77.4°F). In January, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 36°C (96.8°F).

What is the most humid month in Bandar Seri Begawan?

January through March, with an average relative humidity of 81%, are most humid months.

What is the average humidity in January in Bandar Seri Begawan?

The average relative humidity in January is 81%.

How much does it rain in Bandar Seri Begawan in January?

In Bandar Seri Begawan, in January, during 26.8 rainfall days, 144mm (5.67") of precipitation is typically accumulated.

What is the sea water temperature in January in Bandar Seri Begawan?

In Bandar Seri Begawan, the average seawater temperature in January is 27.5°C (81.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in January in Bandar Seri Begawan?

The average day length in January is 11h and 52min.

What time are sunrise and sunset in January in Bandar Seri Begawan?

In January, on the first day of the month, sunrise is at 06:28 and sunset at 18:18. On the last day of the month, sunrise is at 06:36 and sunset at 18:30 +08.

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

January has the least sunshine of the year in Bandar Seri Begawan, with an average of 8.2h of sunshine.

How long on average sun shines in January in Bandar Seri Begawan?

In Bandar Seri Begawan, Brunei, the average sunshine duration in January is 8.2h.

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

The months with the highest UV index 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.

What is the UV index reading in January in Bandar Seri Begawan?

In Bandar Seri Begawan, the average daily maximum UV index in January is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in January
Bandar Seri Begawan, Brunei

Average temperature in January - Bandar Seri Begawan, Brunei
  • Average high temperature in January: 29.2°C

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).

  • Average low temperature in January: 25.2°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 in January
Bandar Seri Begawan, Brunei

Average pressure in January - Bandar Seri Begawan, Brunei
  • Average pressure in January: 1010.1mbar

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 in January
Bandar Seri Begawan, Brunei

Average wind speed in January - Bandar Seri Begawan, Brunei
  • Average wind speed in January: 9.4km/h

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 in January
Bandar Seri Begawan, Brunei

Average humidity in January - Bandar Seri Begawan, Brunei
  • Average humidity in January: 81%

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 in January
Bandar Seri Begawan, Brunei

Average rainfall in January - Bandar Seri Begawan, Brunei
  • Average rainfall in January: 144mm

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 in January
Bandar Seri Begawan, Brunei

Average rainfall days in January - Bandar Seri Begawan, Brunei
  • Average rainfall days in January: 26.8 days

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 in January
Bandar Seri Begawan, Brunei

Average sea temperature in January - Bandar Seri Begawan, Brunei
  • Average sea temperature in January: 27.5°C

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 in January /
Average sunshine in January
Bandar Seri Begawan, Brunei

Average daylight in January / Average sunshine in January - Bandar Seri Begawan, Brunei
  • Average daylight in January: 11h and 5min

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).

  • Average sunshine in January: 8h and 1min

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 in January
Bandar Seri Begawan, Brunei

Average sunshine days in January - Bandar Seri Begawan, Brunei
  • Average sunshine days in January: 2.9 days

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 in January
Bandar Seri Begawan, Brunei

Average UV index in January - Bandar Seri Begawan, Brunei
  • Average UV index in January: 7

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 in January
Bandar Seri Begawan, Brunei

Average cloud cover in January - Bandar Seri Begawan, Brunei
  • Average cloud cover in January: 42

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 in January
Bandar Seri Begawan, Brunei

Average visibility in January - Bandar Seri Begawan, Brunei
  • Average visibility in January: 10km

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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