December weather forecastBantul, Indonesia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Bantul, Indonesia, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 24.2°C (75.6°F).

Temperature

As December unfolds, the average high-temperature reaches a still warm 28.9°C (84°F), hinting at a slight fluctuation from the previous month. A modest nighttime temperature average of 24.2°C (75.6°F) characterizes December in Bantul.

Heat index

For most parts of December, the heat index is computed to be a hot 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for 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.

Humidity

In Bantul, the average relative humidity in December is 80%.

Rainfall

In Bantul, in December, during 23.2 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, in Bantul, there are 245 rainfall days, and 906mm (35.67") of precipitation is accumulated.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year in Bantul, Indonesia.
On the first day of the month, sunrise is at 05:11 and sunset at 17:44. On the last day of December, in Bantul, sunrise is at 05:24 and sunset at 17:59 WIB.

Sunshine

December has the least sunshine of the year, with an average of 7.4h of sunshine.

UV index

February through May, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

Bantul in December has an average high-temperature of 28.9°C (84°F) and an average low-temperature of 24.2°C (75.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 34°C (93.2°F).

In December, the average relative humidity in Bantul is 80%.

In Bantul, Indonesia, in December, during 23.2 rainfall days, 94mm (3.7") of precipitation is typically accumulated.

The month with the longest days in Bantul, Indonesia, is December, with an average of 12h and 36min of daylight.

In Bantul, Indonesia, the average day length in December is 12h and 34min.

In December, on the first day of the month, sunrise is at 05:11 and sunset at 17:44. On the last day of the month, sunrise is at 05:24 and sunset at 17:59 WIB.

The month with the least sunshine in Bantul is December, with an average of 7.4h of sunshine.

The average sunshine duration in December in Bantul, Indonesia, is 7.4h.

The months with the highest UV index in Bantul are February through May, September through December, with an average maximum UV index of 7.

The average daily maximum UV index in December in Bantul is 7. A UV Index estimate of 6 to 7 represents a high hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bantul, Indonesia

  • Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in December: 24.2°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in December
Bantul, Indonesia

  • Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Bantul, Indonesia

  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in December
Bantul, Indonesia

  • Average humidity in December: 80%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in December
Bantul, Indonesia

  • Average rainfall in December: 94mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in December
Bantul, Indonesia

  • Average rainfall days in December: 23.2 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

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

  • Average daylight in December: 12h and 36min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in December: 7h and 24min

The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Bantul, Indonesia

  • Average sunshine days in December: 5.3 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in December
Bantul, Indonesia

  • Average UV index in December: 7

The months with the highest UV index are February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are January, June, July and August (UV index 6).

Average cloud cover in December
Bantul, Indonesia

  • Average cloud cover in December: 49

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in December
Bantul, 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).