December weather forecast
Jerudong, Brunei

Closing off the year, December sustains a consistent weather pattern, similar to November. Interestingly, December sees a peak in recorded rainfall, with a volume of 206mm (8.11"). The cloudiness fluctuates around a high of 42%, similar to the beginning of the year. Despite maximum rainfall days, an efficient wind flow aids in maintaining a tolerable weather environment. Thus, culminating the diverse weather exploration of Jerudong, Brunei in a full circle.

Temperature

Jerudong, Brunei, observes an average high-temperature of a still hot 30.1°C (86.2°F) in December, barely different from 30.5°C (86.9°F) in November. Jerudong, in December, registers an average low temperature of 25.7°C (78.3°F), showing a minute reduction from daily highs.

Heat index

December's average heat index is calculated to be a sweltering 38°C (100.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in December in Jerudong is 79%.

Rainfall

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

Daylight

The month with the shortest days is December, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 06:14 and sunset at 18:05. On the last day of December, in Jerudong, sunrise is at 06:28 and sunset at 18:19 +08.

Sunshine

The average sunshine in December in Jerudong, Brunei, is 8.3h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jerudong. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.