December weather forecast
Cirebon, Indonesia

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Weather in December

As December unfolds, Cirebon, Indonesia gears up for another cycle of its tropical climate. With an increase to 173mm (6.81"), the rainfall nears the year's start levels. Even so, the city radiates festive warmth and hospitality. The weather renders a perfect setting for the multitude of year-end celebrations taking place around town. The culmination of the year portrays Cirebon in a unique blend of tropical climate and festive mood, creating a must-visit winter holiday destination.

Temperature

December brings an average high-temperature of a still hot 30.2°C (86.4°F), nearly identical to the preceding month. The December nights show a slight decrease to a mean low-temperature of 25.2°C (77.4°F).

Heat index

The heat index for December is calculated to be a sweltering 37°C (98.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Cirebon, in December, during 27.5 rainfall days, 173mm (6.81") of precipitation is typically accumulated. In Cirebon, during the entire year, the rain falls for 244.1 days and collects up to 1216mm (47.87") of precipitation.

Sea temperature

December is the month with the warmest seawater, with an average sea temperature of 29.9°C (85.8°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

December has the longest days of the year in Cirebon, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:20 and sunset at 17:49. On the last day of December, sunrise is at 05:33 and sunset at 18:04 WIB.

Sunshine

With an average of 8.3h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Cirebon are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 7 during December leads to these advisories:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

How hot is December in Cirebon?

An average high-temperature, in December, in Cirebon, is 30.2°C (86.4°F) and the average low-temperature is 25.2°C (77.4°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in December is calculated to be 37°C (98.6°F).

What is the average humidity in December in Cirebon?

In Cirebon, the average relative humidity in December is 76%.

How many days does it rain in December in Cirebon?

In Cirebon, Indonesia, in December, during 27.5 rainfall days, 173mm (6.81") of precipitation is typically accumulated.

What month is the sea warmest in Cirebon?

December is the month with the warmest seawater in Cirebon, Indonesia, with an average sea temperature of 29.9°C (85.8°F).

What is the sea water temperature in December in Cirebon?

In Cirebon, Indonesia, the average seawater temperature in December is 29.9°C (85.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Cirebon?

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

How many hours of daylight does Cirebon have in December?

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

When are sunrise and sunset in December in Cirebon?

In December, on the first day of the month, sunrise is at 05:20 and sunset at 17:49. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 WIB.

What is the month with the least sunshine in Cirebon?

With an average of 8.3h of sunshine, December has the least sunshine of the year in Cirebon, Indonesia.

How many hours of sunshine does Cirebon have in December?

In December, the average sunshine duration in Cirebon is 8.3h.

What is the month with the highest UV index in Cirebon?

The months with the highest UV index in Cirebon are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Cirebon?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Cirebon, Indonesia.

What is the UV index intensity in December in Cirebon?

The average daily maximum UV index in December in Cirebon, Indonesia, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in December
Cirebon, Indonesia

Average temperature in December - Cirebon, Indonesia
  • Average high temperature in December: 30.2°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in December: 25.2°C

The month with the highest average low temperature is December (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

Average pressure in December
Cirebon, Indonesia

Average pressure in December - Cirebon, Indonesia
  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cirebon, Indonesia

Average wind speed in December - Cirebon, Indonesia
  • Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in December
Cirebon, Indonesia

Average humidity in December - Cirebon, Indonesia
  • Average humidity in December: 76%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in December
Cirebon, Indonesia

Average rainfall in December - Cirebon, Indonesia
  • Average rainfall in December: 173mm

The wettest month (with the highest rainfall) is February (207mm).
The driest month (with the least rainfall) is August (13mm).

Average rainfall days in December
Cirebon, Indonesia

Average rainfall days in December - Cirebon, Indonesia
  • Average rainfall days in December: 27.5 days

The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).

Average sea temperature in December
Cirebon, Indonesia

Average sea temperature in December - Cirebon, Indonesia
  • Average sea temperature in December: 29.9°C

The best month for swimming (with the highest average sea temperature) is December (29.9°C).
The coldest month (with the lowest average sea temperature) is August (28°C).

Average daylight in December /
Average sunshine in December
Cirebon, Indonesia

Average daylight in December / Average sunshine in December - Cirebon, 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: 8h and 2min

The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).

Average sunshine days in December
Cirebon, Indonesia

Average sunshine days in December - Cirebon, Indonesia
  • Average sunshine days in December: 2.7 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).

Average UV index in December
Cirebon, Indonesia

Average UV index in December - Cirebon, 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
Cirebon, Indonesia

Average cloud cover in December - Cirebon, Indonesia
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Cirebon, Indonesia

Average visibility in December - Cirebon, Indonesia
  • Average visibility in December: 10km

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

Cirebon, Indonesia

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