December weather forecastSepilok, Malaysia

Weather in December

The first month of the winter, December, is also a moderately hot month in Sepilok, Malaysia, with an average temperature fluctuating between 25.1°C (77.2°F) and 29.5°C (85.1°F).

Temperature

Sepilok marks the onset of December with an average high-temperature of a still moderately hot 29.5°C (85.1°F), a subtle shift from November's 29.9°C (85.8°F). Sepilok observes a consistent average low-temperature of 25.1°C (77.2°F) throughout December nights.

Heat index

In December, the heat index is evaluated at a torrid 37°C (98.6°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. 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. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Sepilok, Malaysia, in December, during 28.4 rainfall days, 216mm (8.5") of precipitation is typically accumulated. Throughout the year, there are 322.8 rainfall days, and 1905mm (75") of precipitation is accumulated.

Daylight

The month with the shortest days in Sepilok is December, with an average of 11h and 48min of daylight.
On the first day of December, sunrise is at 6:03 am and sunset at 5:51 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:04 pm +08.

Sunshine

December has the least sunshine of the year, with an average of 6.6h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Sepilok are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.