December weather forecast
Tarakan, Indonesia

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Weather in December

December ushers in the wet transition with continuous and sustained precipitation, hosting the second highest rainfall level for the year at 253mm (9.96"). While these lively rains persist, the daylight hours are at their shortest, suggesting most of December to be overcast. Yet, sunshine isn't fully eclipsed, managing to maintain a steady appearance. The gentle winds offer a fresh ambiance against the humidity created by the heavy downpours. The momentum ebbs and flows between warmth, wind, and heavy rainfall, striking a balance in the climate.

Temperature

The advent of December in Tarakan reveals an average high-temperature of a still warm 29.8°C (85.6°F), showing minimal difference from the prior month. Tarakan's nocturnal December readings average at a still moderately hot 26.1°C (79°F), showing little variation from the daytime temperatures.

Heat index

The average heat index in December is computed to be a very hot 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in December is 78%.

Rainfall

December is the month with the most rainfall in Tarakan. Rain falls for 29.5 days and accumulates 253mm (9.96") of precipitation.

Sea temperature

In December, the average sea temperature in Tarakan, Indonesia, is 29°C (84.2°F).
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

The month with the shortest days in Tarakan is December, with an average of 11h and 54min of daylight.
On the first day of the month, sunrise is at 06:00 and sunset at 17:57. On the last day of December, sunrise is at 06:14 and sunset at 18:10 WITA.

Sunshine

With an average of 7.8h of sunshine, December has the least sunshine of the year in Tarakan, Indonesia.

UV index

The months with the highest UV index in Tarakan 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 in Tarakan. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 during December translates into the following guidance:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice! Sand and water reflections contribute to a stronger UV exposure.
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Frequently asked questions

Is it hot in Tarakan during December?

The average high-temperature, in December, in Tarakan, is 29.8°C (85.6°F), while the average low-temperature is 26.1°C (79°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 37°C (98.6°F).

What is the average humidity in December in Tarakan?

In Tarakan, Indonesia, the average relative humidity in December is 78%.

What is the wettest month in Tarakan?

The month with the most rainfall in Tarakan, Indonesia, is December, when the rain falls for 29.5 days and typically aggregates up to 253mm (9.96") of precipitation.

How much does it rain in Tarakan in December?

In December, in Tarakan, Indonesia, the rain falls for 29.5 days. Throughout December, 253mm (9.96") of precipitation is accumulated.

How warm is the water in December in Tarakan?

In Tarakan, the average seawater temperature in December is 29°C (84.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Tarakan?

December has the shortest days of the year in Tarakan, Indonesia, with an average of 11h and 54min of daylight.

What is the average length of the day in December in Tarakan?

In December, the average day length in Tarakan, Indonesia, is 11h and 56min.

What time are sunrise and sunset in December in Tarakan?

In December, on the first day of the month, sunrise is at 06:00 and sunset at 17:57. On the last day of the month, in Tarakan, Indonesia, sunrise is at 06:14 and sunset at 18:10 WITA.

What is the month with the least sunshine in Tarakan?

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

How long on average sun shines in December in Tarakan?

In Tarakan, Indonesia, the average sunshine duration in December is 7.8h.

When is the highest UV index in Tarakan?

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

When is the lowest UV index in Tarakan?

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

How high is the UV index in December in Tarakan?

In Tarakan, 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 Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Tarakan, Indonesia

Average temperature in December - Tarakan, Indonesia
  • Average high temperature in December: 29.8°C

The warmest month (with the highest average high temperature) is May (30.7°C).
The month with the lowest average high temperature is January (29.1°C).

  • Average low temperature in December: 26.1°C

The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is February (25.2°C).

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Average pressure in December
Tarakan, Indonesia

Average pressure in December - Tarakan, Indonesia
  • Average pressure in December: 1009mbar

The month with the highest atmospheric pressure is February (1010.5mbar).
The months with the lowest atmospheric pressure are November and December (1009mbar).

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Average wind speed in December
Tarakan, Indonesia

Average wind speed in December - Tarakan, Indonesia
  • Average wind speed in December: 8.2km/h

The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).

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Average humidity in December
Tarakan, Indonesia

Average humidity in December - Tarakan, Indonesia
  • Average humidity in December: 78%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (76%).

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Average rainfall in December
Tarakan, Indonesia

Average rainfall in December - Tarakan, Indonesia
  • Average rainfall in December: 253mm

The wettest month (with the highest rainfall) is December (253mm).
The driest month (with the least rainfall) is September (136mm).

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Average rainfall days in December
Tarakan, Indonesia

Average rainfall days in December - Tarakan, Indonesia
  • Average rainfall days in December: 29.5 days

The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is June (22.8 days).

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Average sea temperature in December
Tarakan, Indonesia

Average sea temperature in December - Tarakan, Indonesia
  • Average sea temperature in December: 29°C

The best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
The coldest months (with the lowest average sea temperature) are January and February (28°C).

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

Average daylight in December / Average sunshine in December - Tarakan, 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: 7h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).

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Average sunshine days in December
Tarakan, Indonesia

Average sunshine days in December - Tarakan, Indonesia
  • Average sunshine days in December: 1 days

The month with the most sunshine days is June (6.8 days).
The month with the least sunshine days is January (0.5 days).

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Average UV index in December
Tarakan, Indonesia

Average UV index in December - Tarakan, 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).

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Average cloud cover in December
Tarakan, Indonesia

Average cloud cover in December - Tarakan, Indonesia
  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 34).

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Average visibility in December
Tarakan, Indonesia

Average visibility in December - Tarakan, Indonesia
  • Average visibility in December: 9km

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

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Tarakan, Indonesia

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