December weather forecast
Batu Apoi, Brunei

Wrapping up the year, December in Batu Apoi sees temperatures notably dropping. Seasonal showers continue to dominate the climatic scene turning the city into a vibrant green spectacle. Hours of uninterrupted sunshine compensate for the ongoing rain showers. Mild and steady breeze envelops the city, adding to the season's charm. A higher precipitation of 144mm (5.67") defines the month, culminating the year with a fresh, wet end.

Temperature

On the advent of December, Batu Apoi's average high-temperature exhibits a minor adjustment to a still tropical 30.7°C (87.3°F) from November's 31.3°C (88.3°F). An average low-temperature of 24.3°C (75.7°F) is noted during the nights in December.

Heat index

The heat index value for December is calculated to be a blistering 41°C (105.8°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

January through March and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In December, the rain falls for 25.9 days. Throughout December, 144mm (5.67") of precipitation is accumulated. Throughout the year, there are 286.2 rainfall days, and 1425mm (56.1") of precipitation is accumulated.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Batu Apoi, sunrise is at 06:12 and sunset at 18:04. On the last day of the month, sunrise is at 06:26 and sunset at 18:18 +08.

Sunshine

The average sunshine in December is 8.1h.

UV index

The months with the highest UV index in Batu Apoi are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Batu Apoi. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.