December weather forecast
Kempas, Malaysia

The first month of the winter, December, is also a hot month in Kempas, Malaysia, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 24.6°C (76.3°F).

Temperature

The advent of December brings an average high-temperature of a still tropical 30.4°C (86.7°F), exhibiting minor difference from the previous month. In Kempas, an average nighttime temperature of 24.6°C (76.3°F) is expected during December.

Heat index

The average heat index in December is appraised at an extremely hot 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle 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 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The most humid month in Kempas is December, with an average relative humidity of 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 27.7 days and accumulates 170mm (6.69") of precipitation.

Daylight

With an average of 12h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:53 am and sunset at 6:55 pm. On the last day of December, sunrise is at 7:07 am and sunset at 7:09 pm +08.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.