December weather forecastMarsiling, Singapore

Weather in December

As the year wraps up, December in Marsiling, Singapore, manifests a shift in the annual weather cycle. The city witnesses a decrease in temperatures coupled with high precipitation, marking the overall onset of a cooler period. The charm of the cityscape is further augmented by the overcast skies and chilly winds. The highest amount of rainfall is registered in this month, measuring up to 81mm (3.19"). As the year closes, December redefines, reminisces, and resonates the essence of the year-round changing weather, culminating into a welcoming anticipation for the approaching year.

Temperature

The transition into December shows a subtle variation to a still tropical 30.2°C (86.4°F) from November's 31°C (87.8°F) in the average high-temperature. Marsiling records an average nighttime low-temperature of 24.6°C (76.3°F) throughout December.

Heat index

In December, the average heat index is estimated at a fiery hot 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

With an average relative humidity of 82%, December is the most humid month.

Rainfall

December is the month with the most rainfall in Marsiling. Rain falls for 23.2 days and accumulates 81mm (3.19") of precipitation.

Daylight

With an average of 12h and 0min of daylight, December has the shortest days of the year in Marsiling.
On the first day of the month, sunrise is at 06:52 and sunset at 18:55. On the last day of December, sunrise is at 07:06 and sunset at 19:09 +08.

Sunshine

December has the least sunshine of the year, with an average of 6.9h 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 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 unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.