December weather forecast
Sei Sikambing B, Indonesia

December

Weather in December

December, the first month of the winter in Sei Sikambing B, is still a tropical month, with an average temperature varying between 30.8°C (87.4°F) and 23.4°C (74.1°F).

Temperature

Sei Sikambing B witnesses its lowest temperatures during January and December, when the average high-temperature reaches 30.8°C (87.4°F).

Heat index

In December, the heat index is evaluated at an extremely hot 41°C (105.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

In Sei Sikambing B, during December, the rain falls for 27.1 days and regularly aggregates up to 122mm (4.8") of precipitation. Throughout the year, in Sei Sikambing B, Indonesia, there are 298 rainfall days, and 1172mm (46.14") of precipitation is accumulated.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year in Sei Sikambing B.
On the first day of December, sunrise is at 06:16 and sunset at 18:12. On the last day of the month, sunrise is at 06:30 and sunset at 18:26 WIB.

Sunshine

In December, the average sunshine in Sei Sikambing B is 8.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 7 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What month is the coldest in Sei Sikambing B?
Sei Sikambing B's coldest period falls in January and December, when the average high-temperatures ascend to 30.8°C (87.4°F).
Is it hot in Sei Sikambing B during December?
The average high-temperature and low-temperature during December are 30.8°C (87.4°F) and 23.4°C (74.1°F) respectively. In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 41°C (105.8°F).
What is the most humid month in Sei Sikambing B?
December is the most humid month, with an average relative humidity of 81%.
What is the average humidity in December in Sei Sikambing B?
The average relative humidity in December in Sei Sikambing B, Indonesia, is 81%.
How much does it rain in Sei Sikambing B in December?
In Sei Sikambing B, Indonesia, in December, it is raining for 27.1 days, with typically 122mm (4.8") of accumulated precipitation.
What is the month with the shortest days in Sei Sikambing B?
With an average of 11h and 54min of daylight, December has the shortest days of the year in Sei Sikambing B.
What is the average length of the day in December in Sei Sikambing B?
In December, the average day length in Sei Sikambing B, Indonesia, is 11h and 55min.
What time are sunrise and sunset in December in Sei Sikambing B?
In December, on the first day of the month, sunrise is at 06:16 and sunset at 18:12. On the last day of the month, in Sei Sikambing B, Indonesia, sunrise is at 06:30 and sunset at 18:26 WIB.
How long on average sun shines in December in Sei Sikambing B?
In Sei Sikambing B, Indonesia, the average sunshine duration in December is 8.1h.
When is the highest UV index in Sei Sikambing B?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index in Sei Sikambing B?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index reading in December in Sei Sikambing B?
The average daily maximum UV index in December in Sei Sikambing B is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
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 - Sei Sikambing B, Indonesia
Average temperature in December
Sei Sikambing B, Indonesia
  • Average high temperature in December: 30.8°C

The warmest month (with the highest average high temperature) is June (33.5°C).
The months with the lowest average high temperature are January and December (30.8°C).

  • Average low temperature in December: 23.4°C

The month with the highest average low temperature is May (24.3°C).
The coldest month (with the lowest average low temperature) is January (23°C).

Average pressure in December - Sei Sikambing B, Indonesia
Average pressure in December
Sei Sikambing B, Indonesia
  • Average pressure in December: 1010.2mbar

The month with the highest atmospheric pressure is January (1010.9mbar).
The month with the lowest atmospheric pressure is May (1009.6mbar).

Average wind speed in December - Sei Sikambing B, Indonesia
Average wind speed in December
Sei Sikambing B, Indonesia
  • Average wind speed in December: 5.3km/h

The windiest month (with the highest average wind speed) is February (5.6km/h).
The calmest months (with the lowest average wind speed) are September and October (4.8km/h).

Average humidity in December - Sei Sikambing B, Indonesia
Average humidity in December
Sei Sikambing B, Indonesia
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are March and June (75%).

Average rainfall in December - Sei Sikambing B, Indonesia
Average rainfall in December
Sei Sikambing B, Indonesia
  • Average rainfall in December: 122mm

The wettest month (with the highest rainfall) is October (154mm).
The driest month (with the least rainfall) is February (60mm).

Average rainfall days in December - Sei Sikambing B, Indonesia
Average rainfall days in December
Sei Sikambing B, Indonesia
  • Average rainfall days in December: 27.1 days

The month with the highest number of rainy days is October (28.3 days).
The month with the least rainy days is February (18.8 days).

Average daylight in December / Average sunshine in December - Sei Sikambing B, Indonesia
Average daylight in December /
Average sunshine in December
Sei Sikambing B, Indonesia
  • Average daylight in December: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in December: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 8h and 0min).

Average sunshine days in December - Sei Sikambing B, Indonesia
Average sunshine days in December
Sei Sikambing B, Indonesia
  • Average sunshine days in December: 2.3 days

The months with the most sunshine days are February and March (6.3 days).
The month with the least sunshine days is November (1 days).

Average UV index in December - Sei Sikambing B, Indonesia
Average UV index in December
Sei Sikambing B, Indonesia
  • Average UV index in December: 7

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

Average cloud cover in December - Sei Sikambing B, Indonesia
Average cloud cover in December
Sei Sikambing B, Indonesia
  • Average cloud cover in December: 44

The month with the most cloud cover is November (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 30).

Average visibility in December - Sei Sikambing B, Indonesia
Average visibility in December
Sei Sikambing B, Indonesia
  • Average visibility in December: 9km

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

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