December weather forecastSadeng, Indonesia

December

Weather in December

The first month of the summer, December, is still a hot month in Sadeng, Indonesia, with temperature in the range of an average low of 25.1°C (77.2°F) and an average high of 31°C (87.8°F).

Temperature

The average high-temperature during December is a still hot 31°C (87.8°F), almost matching the conditions of the preceding month. In December, Sadeng reports a consistent average low-temperature of 25.1°C (77.2°F) during the nights.

Heat index

December's average heat index is computed to be an extremely hot 40°C (104°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Sadeng, during December, the rain falls for 24.8 days and regularly aggregates up to 128mm (5.04") of precipitation. In Sadeng, during the entire year, the rain falls for 226.7 days and collects up to 1000mm (39.37") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:12 and sunset at 17:42. On the last day of the month, sunrise is at 05:25 and sunset at 17:57 WIB.

Sunshine

With an average of 8.2h of sunshine, December has the least sunshine of the year in Sadeng.

UV index

The months with the highest UV index are February 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 exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 7 suggests this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Updated: Aug 18, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Sadeng, 31°C (87.8°F) is the average high-temperature and 25.1°C (77.2°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in December is computed to be 40°C (104°F).

The average relative humidity in December is 76%.

In Sadeng, in December, during 24.8 rainfall days, 128mm (5.04") of precipitation is typically accumulated.

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

The average day length in December is 12h and 32min.

In December, on the first day of the month, sunrise is at 05:12 and sunset at 17:42. On the last day of the month, sunrise is at 05:25 and sunset at 17:57 WIB.

December has the least sunshine of the year, with an average of 8.2h of sunshine.

In December, the average sunshine duration is 8.2h.

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

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 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

32.2°C

31°C

29.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.3km/h

8km/h

11.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Sadeng, Indonesia

Average high temperature in December: 31°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (29.7°C).

Average low temperature in December: 25.1°C

The month with the highest average low temperature is November (25.4°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in December
Sadeng, Indonesia

Average pressure in December: 1009mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in December
Sadeng, Indonesia

Average wind speed in December: 6.9km/h

The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is April (5.8km/h).

Average humidity in December
Sadeng, Indonesia

Average humidity in December: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (66%).

Average rainfall in December
Sadeng, Indonesia

Average rainfall in December: 128mm

The wettest month (with the highest rainfall) is January (163mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in December
Sadeng, Indonesia

Average rainfall days in December: 24.8 days

The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (8.9 days).

Average daylight in December /
Average sunshine in December
Sadeng, 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: 8h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).

Average sunshine days in December
Sadeng, Indonesia

Average sunshine days in December: 4 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is November (3 days).

Average UV index in December
Sadeng, 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
Sadeng, Indonesia

Average cloud cover in December: 42

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Sadeng, Indonesia

Average visibility in December: 10km

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