December weather forecastCibadung, Indonesia

December

Weather in December

The first month of the summer, December, is still a tropical month in Cibadung, Indonesia, with an average temperature varying between 24.9°C (76.8°F) and 30.5°C (86.9°F).

Temperature

December's onset records an average high-temperature of a still hot 30.5°C (86.9°F), a near match to November's 31.4°C (88.5°F). Throughout December, the average low-temperature records at a warm 24.9°C (76.8°F).

Heat index

For December, the heat index is calculated to be a torrid 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In Cibadung, the average relative humidity in December is 73%.

Rainfall

In Cibadung, in December, during 27.2 rainfall days, 166mm (6.54") of precipitation is typically accumulated. Throughout the year, there are 288.9 rainfall days, and 1568mm (61.73") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:28 and sunset at 17:56. On the last day of December, sunrise is at 05:41 and sunset at 18:11 WIB.

Sunshine

The average sunshine in December is 9h.

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Updated: Aug 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Cibadung, is 30.5°C (86.9°F), while the low-temperature averages to 24.9°C (76.8°F). In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 37°C (98.6°F).

The average relative humidity in December is 73%.

In Cibadung, during December, the rain falls for 27.2 days and regularly aggregates up to 166mm (6.54") of precipitation.

The month with the longest days is December, with an average of 12h and 30min of daylight.

In Cibadung, the average day length in December is 12h and 29min.

In December, on the first day of the month, sunrise is at 05:28 and sunset at 17:56. On the last day of the month, sunrise is at 05:41 and sunset at 18:11 WIB.

The average sunshine duration in December is 9h.

The months with the highest UV index in Cibadung are February through December, with an average maximum UV index of 7.

In Cibadung, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

31.4°C

30.5°C

29.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.8km/h

9.7km/h

10.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.4

2.6

2.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cibadung, Indonesia

Average high temperature in December: 30.5°C

The warmest month (with the highest average high temperature) is October (32°C).
The month with the lowest average high temperature is January (29.5°C).

Average low temperature in December: 24.9°C

The month with the highest average low temperature is November (25°C).
The coldest month (with the lowest average low temperature) is July (23.1°C).

Average pressure in December
Cibadung, Indonesia

Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cibadung, Indonesia

Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).

Average humidity in December
Cibadung, Indonesia

Average humidity in December: 73%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are September and October (68%).

Average rainfall in December
Cibadung, Indonesia

Average rainfall in December: 166mm

The wettest month (with the highest rainfall) is March (207mm).
The driest month (with the least rainfall) is August (59mm).

Average rainfall days in December
Cibadung, Indonesia

Average rainfall days in December: 27.2 days

The month with the highest number of rainy days is March (28.5 days).
The month with the least rainy days is August (16.4 days).

Average daylight in December /
Average sunshine in December
Cibadung, Indonesia

Average daylight in December: 12h and 30min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

Average sunshine in December: 9h and 0min

The month with the most sunshine is March (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).

Average sunshine days in December
Cibadung, Indonesia

Average sunshine days in December: 2.6 days

The month with the most sunshine days is August (10.7 days).
The month with the least sunshine days is February (0.9 days).

Average UV index in December
Cibadung, Indonesia

Average UV index in December: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in December
Cibadung, Indonesia

Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Cibadung, Indonesia

Average visibility in December: 10km

The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).