December weather forecastBantarjati, Indonesia

December

Weather in December

December, the first month of the summer in Bantarjati, is also a moderately hot month, with an average temperature fluctuating between 28°C (82.4°F) and 22.1°C (71.8°F).

Temperature

The introduction of December sees an average high-temperature of a still moderately hot 28°C (82.4°F), hardly deviating from November. Bantarjati anticipates an average minimum temperature of 22.1°C (71.8°F) in the month of December.

Heat index

In December, the average heat index is estimated at a hot 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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.

Humidity

In Bantarjati, the average relative humidity in December is 83%.

Rainfall

In Bantarjati, in December, during 29.1 rainfall days, 293mm (11.54") of precipitation is typically accumulated. In Bantarjati, Indonesia, during the entire year, the rain falls for 299 days and collects up to 2315mm (91.14") of precipitation.

Sea temperature

In December, the average sea temperature in Bantarjati is 29.2°C (84.6°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:27 and sunset at 17:56. On the last day of December, sunrise is at 05:40 and sunset at 18:10 WIB.

Sunshine

The average sunshine in December is 8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index in Bantarjati are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.

Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Bantarjati, is 28°C (82.4°F), while the low-temperature averages to 22.1°C (71.8°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 33°C (91.4°F).

In Bantarjati, Indonesia, the average relative humidity in December is 83%.

In Bantarjati, in December, during 29.1 rainfall days, 293mm (11.54") of precipitation is typically accumulated.

In Bantarjati, Indonesia, in December, the average water temperature is 29.2°C (84.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

December has the longest days of the year in Bantarjati, Indonesia, with an average of 12h and 30min of daylight.

In Bantarjati, the average day length in December is 12h and 30min.

In December, on the first day of the month, sunrise is at 05:27 and sunset at 17:56. On the last day of the month, in Bantarjati, Indonesia, sunrise is at 05:40 and sunset at 18:10 WIB.

The average sunshine duration in December is 8h.

The months with the highest UV index are January through December, with an average maximum UV index of 6.

The months with the lowest UV index in Bantarjati, Indonesia, are January through December, with an average maximum UV index of 6.

In December, the average daily maximum UV index in Bantarjati, Indonesia, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

28.6°C

28°C

27.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.2km/h

6.7km/h

7.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

28.7

29.1

29.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

0.7

1.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Bantarjati, Indonesia

Average high temperature in December: 28°C

The warmest month (with the highest average high temperature) is September (30°C).
The month with the lowest average high temperature is January (27.4°C).

Average low temperature in December: 22.1°C

The months with the highest average low temperature are October, November and December (22.1°C).
The coldest month (with the lowest average low temperature) is August (20.2°C).

Average pressure in December
Bantarjati, Indonesia

Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed in December
Bantarjati, Indonesia

Average wind speed in December: 6.2km/h

The windiest month (with the highest average wind speed) is January (7.3km/h).
The calmest month (with the lowest average wind speed) is May (4km/h).

Average humidity in December
Bantarjati, Indonesia

Average humidity in December: 83%

The months with the highest relative humidity are January, February, March and April (84%).
The month with the lowest relative humidity is September (75%).

Average rainfall in December
Bantarjati, Indonesia

Average rainfall in December: 293mm

The wettest month (with the highest rainfall) is March (308mm).
The driest month (with the least rainfall) is August (65mm).

Average rainfall days in December
Bantarjati, Indonesia

Average rainfall days in December: 29.1 days

The month with the highest number of rainy days is January (29.8 days).
The month with the least rainy days is August (14.9 days).

Average sea temperature in December
Bantarjati, Indonesia

Average sea temperature in December: 29.2°C

The best month for swimming (with the highest average sea temperature) is March (29.6°C).
The coldest month (with the lowest average sea temperature) is September (27.2°C).

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

Average daylight in December: 12h and 30min

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 0min

The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).

Average sunshine days in December
Bantarjati, Indonesia

Average sunshine days in December: 1.6 days

The month with the most sunshine days is August (14.1 days).
The month with the least sunshine days is February (0.3 days).

Average UV index in December
Bantarjati, Indonesia

Average UV index in December: 6

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

Average cloud cover in December
Bantarjati, Indonesia

Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Bantarjati, Indonesia

Average visibility in December: 9km

The months with the highest visibility are May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April and November (8km).