December weather forecast
Tumpangkrasak, Indonesia

December

Weather in December

December, the first month of the summer in Tumpangkrasak, is still a tropical month, with an average temperature ranging between max 30.7°C (87.3°F) and min 25°C (77°F).

Temperature

With the start of December, Tumpangkrasak measures an average high-temperature of a still hot 30.7°C (87.3°F), not significantly differing from November's 32.1°C (89.8°F). An average low-temperature of 25°C (77°F) marks the nights throughout December.

Heat index

For most parts of December, the heat index is computed to be a blistering 40°C (104°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Tumpangkrasak, in December, during 26.3 rainfall days, 159mm (6.26") of precipitation is typically accumulated. Throughout the year, there are 239.6 rainfall days, and 1140mm (44.88") of precipitation is accumulated.

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 05:10 and sunset at 17:40. On the last day of the month, sunrise is at 05:24 and sunset at 17:54 WIB.

Sunshine

December has the least sunshine of the year, with an average of 7.8h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

How hot is December?
Tumpangkrasak in December has an average high-temperature of 30.7°C (87.3°F) and an average low-temperature of 25°C (77°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 40°C (104°F).
What is the average humidity in December?
The average relative humidity in December is 79%.
How much does it rain in December?
In Tumpangkrasak, during December, the rain falls for 26.3 days and regularly aggregates up to 159mm (6.26") of precipitation.
When are the longest days in Tumpangkrasak?
December has the longest days of the year, with an average of 12h and 30min of daylight.
How many hours of daylight does Tumpangkrasak have in December?
In Tumpangkrasak, the average day length in December is 12h and 31min.
When are sunrise and sunset in December in Tumpangkrasak?
On the first day of December, sunrise is at 05:10 and sunset at 17:40. On the last day of the month, sunrise is at 05:24 and sunset at 17:54 WIB.
What is the month with the least sunshine?
With an average of 7.8h of sunshine, December has the least sunshine of the year.
How many hours of sunshine does Tumpangkrasak have in December?
The average sunshine duration in December is 7.8h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index?
The months with the lowest UV index in Tumpangkrasak are January through December, with an average maximum UV index of 7.
What is the UV index reading in December?
In December, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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
Tumpangkrasak, Indonesia
  • Average high temperature in December: 30.7°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in December: 25°C

The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).

Average pressure in December
Tumpangkrasak, Indonesia
  • Average pressure in December: 1008.9mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in December
Tumpangkrasak, Indonesia
  • Average wind speed in December: 7.1km/h

The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).

Average humidity in December
Tumpangkrasak, Indonesia
  • Average humidity in December: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).

Average rainfall in December
Tumpangkrasak, Indonesia
  • Average rainfall in December: 159mm

The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).

Average rainfall days in December
Tumpangkrasak, Indonesia
  • Average rainfall days in December: 26.3 days

The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).

Average daylight in December /
Average sunshine in December
Tumpangkrasak, Indonesia
  • Average daylight in December: 12h and 3min

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 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).

Average sunshine days in December
Tumpangkrasak, Indonesia
  • Average sunshine days in December: 3.7 days

The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).

Average UV index in December
Tumpangkrasak, 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
Tumpangkrasak, Indonesia
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Tumpangkrasak, Indonesia
  • Average visibility in December: 10km

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

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