December weather forecast
Bandung, Indonesia

Concluding the year, December's weather in Bandung is characterized by a high rainfall of 255mm (10.04"), thus maintaining the essence of a tropical monsoon climate. However, temperature fluctuations remain minimal, providing an unvaryingly warm environment. In tune with the peak of the monsoon season, the city's relative humidity is recorded high. Despite the noticeable increase in precipitation, Bandung's visibility does not falter, presenting a vivid display of its mountainous landscape. With persistent atmospheric pressures and lessened wind speeds, December offers a serene close to the year in Bandung.

Temperature

The start of December in Bandung witnesses a high-temperature average of a still warm 28.5°C (83.3°F), equal to that of November. During December, Bandung's temperature averages to an agreeable 21.9°C (71.4°F) at night.

Heat index

December's heat index is calculated to be a hot 34°C (93.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In Bandung, the average relative humidity in December is 82%.

Rainfall

In Bandung, in December, during 29.5 rainfall days, 255mm (10.04") of precipitation is typically accumulated. Throughout the year, in Bandung, there are 305 rainfall days, and 2154mm (84.8") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December in Bandung, sunrise is at 05:23 and sunset at 17:53. On the last day of the month, sunrise is at 05:37 and sunset at 18:08 WIB.

Sunshine

In Bandung, the average sunshine in December is 7.9h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in December leads to these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.