December weather forecast
Tugu, Indonesia

December

Weather in December

The first month of the summer, December, is still a tropical month in Tugu, Indonesia, with temperature in the range of an average low of 26.9°C (80.4°F) and an average high of 30.5°C (86.9°F).

Temperature

December records an average high-temperature of a still tropical 30.5°C (86.9°F), indicating a minor variation from the preceding month. Tugu sees a gentle drop from the daily peak temperature in December, with an average low settling at a moderately hot 26.9°C (80.4°F).

Heat index

The heat index in December is evaluated at a fiery hot 37°C (98.6°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance 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.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In Tugu, Indonesia, the average relative humidity in December is 72%.

Rainfall

In Tugu, during December, the rain falls for 26 days and regularly aggregates up to 150mm (5.91") of precipitation. In Tugu, during the entire year, the rain falls for 216.2 days and collects up to 975mm (38.39") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:12 and sunset at 17:42. On the last day of December, sunrise is at 05:26 and sunset at 17:57 WIB.

Sunshine

With an average of 8.7h of sunshine, December has the least sunshine of the year.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

How hot is December?
In Tugu, 30.5°C (86.9°F) is the average high-temperature and 26.9°C (80.4°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 37°C (98.6°F).
What is the average humidity in December in Tugu?
In Tugu, Indonesia, the average relative humidity in December is 72%.
How many days does it rain in December in Tugu?
In Tugu, in December, during 26 rainfall days, 150mm (5.91") of precipitation is typically accumulated.
When are the longest days?
With an average of 12h and 30min of daylight, December has the longest days of the year.
What is the average length of the day in December?
In December, the average day length is 12h and 31min.
What time are sunrise and sunset in December?
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 05:26 and sunset at 17:57 WIB.
What is the month with the least sunshine?
With an average of 8.7h of sunshine, December has the least sunshine of the year.
How long on average sun shines in December?
In December, the average sunshine duration is 8.7h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the lowest UV index?
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 December, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Tugu, Indonesia
  • Average high temperature in December: 30.5°C

The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is February (29.5°C).

  • Average low temperature in December: 26.9°C

The month with the highest average low temperature is November (27.2°C).
The coldest months (with the lowest average low temperature) are July and August (24.8°C).

Average pressure in December
Tugu, Indonesia
  • Average pressure in December: 1009.1mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Tugu, Indonesia
  • Average wind speed in December: 11km/h

The windiest months (with the highest average wind speed) are January and August (16km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).

Average humidity in December
Tugu, Indonesia
  • Average humidity in December: 72%

The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are September and October (67%).

Average rainfall in December
Tugu, Indonesia
  • Average rainfall in December: 150mm

The wettest month (with the highest rainfall) is February (173mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in December
Tugu, Indonesia
  • Average rainfall days in December: 26 days

The month with the highest number of rainy days is December (26 days).
The month with the least rainy days is August (5.8 days).

Average daylight in December /
Average sunshine in December
Tugu, 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 4min

The month with the most sunshine is January (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 8h and 42min).

Average sunshine days in December
Tugu, Indonesia
  • Average sunshine days in December: 4.4 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (2.2 days).

Average UV index in December
Tugu, 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
Tugu, Indonesia
  • Average cloud cover in December: 43

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 14).

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

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

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