December weather forecast
Seria, Brunei

Seria concludes the year in December experiencing increased rainfall, accumulating up to 214mm (8.43") precipitation. There is a subduing of wind speeds while the cloud cover and humidity rise marginally. Relative to November, December experiences minimal changes in average temperatures and daylight hours. Wrapping up the year, December arguably presents the most varied weather the city has to offer.

Temperature

The dawn of December in Seria sees an average high-temperature of a still tropical 30.2°C (86.4°F), subtly contrasting with November's 30.7°C (87.3°F). Seria's nighttime temperature in December shows a minor descent, with a steady average of 25.4°C (77.7°F).

Heat index

For most parts of December, the heat index is appraised at a very hot 39°C (102.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in December is 81%.

Rainfall

The month with the most rainfall in Seria is December, when the rain falls for 27.3 days and typically aggregates up to 214mm (8.43") of precipitation.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year in Seria.
On the first day of the month, sunrise is at 06:15 and sunset at 18:08. On the last day of December, in Seria, Brunei, sunrise is at 06:29 and sunset at 18:21 +08.

Sunshine

In December, the average sunshine in Seria is 7.8h.

UV index

The months with the highest UV index in Seria, Brunei, are January through December, with an average maximum UV index of 7. 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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.