December weather forecastGegerbitung, Indonesia

December

Weather in December

December, the first month of the summer in Gegerbitung, is also a moderately hot month, with an average temperature ranging between max 27.1°C (80.8°F) and min 20.9°C (69.6°F).

Temperature

Gegerbitung records a slight change with December's average high-temperatures adjusting to a still moderately hot 27.1°C (80.8°F) from November's 27.5°C (81.5°F). Nighttime temperatures consistently average an agreeable 20.9°C (69.6°F) during December.

Heat index

The heat index for December is evaluated at a tropical 30°C (86°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Gegerbitung, during December, the rain falls for 28.8 days and regularly aggregates up to 333mm (13.11") of precipitation. In Gegerbitung, during the entire year, the rain falls for 312 days and collects up to 2913mm (114.69") of precipitation.

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 05:26 and sunset at 17:55. On the last day of December, sunrise is at 05:39 and sunset at 18:10 WIB.

Sunshine

In Gegerbitung, the average sunshine in December is 7h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Aug 16, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 27.1°C (80.8°F) and the low-temperature is 20.9°C (69.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 30°C (86°F).

In December, the average relative humidity is 85%.

In Gegerbitung, in December, during 28.8 rainfall days, 333mm (13.11") of precipitation is typically accumulated.

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

In December, the average day length is 12h and 31min.

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 05:39 and sunset at 18:10 WIB.

The average sunshine duration in December is 7h.

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

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

The average daily maximum UV index in December in Gegerbitung is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

27.5°C

27.1°C

26.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8km/h

6.3km/h

7.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.7

1.5

0.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Gegerbitung, Indonesia

Average high temperature in December: 27.1°C

The warmest month (with the highest average high temperature) is September (29.5°C).
The months with the lowest average high temperature are January and February (26.4°C).

Average low temperature in December: 20.9°C

The month with the highest average low temperature is November (21.1°C).
The coldest month (with the lowest average low temperature) is August (19°C).

Average pressure in December
Gegerbitung, Indonesia

Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is September (1011.3mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed in December
Gegerbitung, Indonesia

Average wind speed in December: 5.8km/h

The windiest month (with the highest average wind speed) is January (6.7km/h).
The calmest month (with the lowest average wind speed) is August (3.5km/h).

Average humidity in December
Gegerbitung, Indonesia

Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is September (77%).

Average rainfall in December
Gegerbitung, Indonesia

Average rainfall in December: 333mm

The wettest month (with the highest rainfall) is March (382mm).
The driest month (with the least rainfall) is August (88mm).

Average rainfall days in December
Gegerbitung, Indonesia

Average rainfall days in December: 28.8 days

The month with the highest number of rainy days is January (29.9 days).
The month with the least rainy days is August (17.5 days).

Average daylight in December /
Average sunshine in December
Gegerbitung, 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 0min

The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).

Average sunshine days in December
Gegerbitung, Indonesia

Average sunshine days in December: 1.5 days

The month with the most sunshine days is August (12 days).
The month with the least sunshine days is February (0.3 days).

Average UV index in December
Gegerbitung, 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).