December weather forecastCilember, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Cilember, Indonesia, with an average temperature ranging between min 20.6°C (69.1°F) and max 26.9°C (80.4°F).

Temperature

An average high-temperature of a still moderately hot 26.9°C (80.4°F) marks December, exhibiting a close resemblance to the conditions in November. An average nighttime temperature of 20.6°C (69.1°F) is noted during the month of December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Cilember, during December, the rain falls for 29.3 days and regularly aggregates up to 318mm (12.52") of precipitation. In Cilember, during the entire year, the rain falls for 305.7 days and collects up to 2701mm (106.34") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of December in Cilember, sunrise is at 05:26 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 18:10 WIB.

Sunshine

The average sunshine in December is 7.9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 6 turns into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Updated: Jun 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 26.9°C (80.4°F) and the low-temperature is 20.6°C (69.1°F). In November, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 31°C (87.8°F).

In December, the average relative humidity is 81%.

In Cilember, during December, the rain falls for 29.3 days and regularly aggregates up to 318mm (12.52") of precipitation.

With an average of 12h and 30min of daylight, December has the longest days of the year.

In Cilember, the average day length in December is 12h and 30min.

On the first day of December, sunrise is at 05:26 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 18:10 WIB.

In Cilember, the average sunshine duration in December is 7.9h.

January through December, with an average maximum UV index of 6, are months with the highest UV index in Cilember, Indonesia.

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

The average daily maximum UV index in December is 6. A UV Index estimate 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

27.7°C

26.9°C

25.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5km/h

5.7km/h

7.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.5

0.9

0.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cilember, Indonesia

Average high temperature in December: 26.9°C

The warmest month (with the highest average high temperature) is September (29.2°C).
The month with the lowest average high temperature is January (25.6°C).

Average low temperature in December: 20.6°C

The month with the highest average low temperature is November (20.9°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).

Average pressure in December
Cilember, Indonesia

Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed in December
Cilember, Indonesia

Average wind speed in December: 5.1km/h

The windiest month (with the highest average wind speed) is January (6.5km/h).
The calmest months (with the lowest average wind speed) are April and November (4.3km/h).

Average humidity in December
Cilember, Indonesia

Average humidity in December: 81%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (71%).

Average rainfall in December
Cilember, Indonesia

Average rainfall in December: 318mm

The wettest month (with the highest rainfall) is March (382mm).
The driest month (with the least rainfall) is August (66mm).

Average rainfall days in December
Cilember, Indonesia

Average rainfall days in December: 29.3 days

The month with the highest number of rainy days is March (30.5 days).
The month with the least rainy days is August (16.5 days).

Average daylight in December /
Average sunshine in December
Cilember, 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 42min).

Average sunshine in December: 7h and 54min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).

Average sunshine days in December
Cilember, Indonesia

Average sunshine days in December: 0.9 days

The month with the most sunshine days is August (12.3 days).
The month with the least sunshine days is February (0.1 days).

Average UV index in December
Cilember, Indonesia

Average UV index in December: 6

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

Average cloud cover in December
Cilember, Indonesia

Average cloud cover in December: 51

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Cilember, Indonesia

Average visibility in December: 8km

The months with the highest visibility are August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, July and December (8km).