December weather forecast
Rancabali, Indonesia

December

Weather in December

December, the first month of the summer in Rancabali, is also a moderately hot month, with an average temperature varying between 20.7°C (69.3°F) and 26.8°C (80.2°F).

Temperature

With the onset of December, Rancabali's average high-temperature clocks in at a still moderately hot 26.8°C (80.2°F), showing a minor fluctuation from the previous month. An average low-temperature of 20.7°C (69.3°F) is anticipated throughout the nights in Rancabali during December.

Humidity

In December, the average relative humidity in Rancabali, Indonesia, is 82%.

Rainfall

The month with the most rainfall in Rancabali is December, when the rain falls for 29.5 days and typically aggregates up to 387mm (15.24") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:24 and sunset at 17:54. On the last day of December, in Rancabali, sunrise is at 05:37 and sunset at 18:09 WIB.

Sunshine

In Rancabali, the average sunshine in December is 7.4h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Rancabali. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during December leads to these advisories:
Inhibit overexposure. Warding off sun damage is of utmost importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the temperature in December in Rancabali?
The average high-temperature and low-temperature during December are 26.8°C (80.2°F) and 20.7°C (69.3°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in November is evaluated at 31°C (87.8°F).
What is the average humidity in December in Rancabali?
In December, the average relative humidity in Rancabali, Indonesia, is 82%.
What is the rainiest month in Rancabali?
December is the month with the most rainfall in Rancabali, Indonesia. Rain falls for 29.5 days and accumulates 387mm (15.24") of precipitation.
How much does it rain in Rancabali in December?
In Rancabali, during December, the rain falls for 29.5 days and regularly aggregates up to 387mm (15.24") of precipitation.
When are the longest days in Rancabali?
The month with the longest days in Rancabali is December, with an average of 12h and 30min of daylight.
What is the average length of the day in December in Rancabali?
In Rancabali, Indonesia, the average day length in December is 12h and 32min.
What time are sunrise and sunset in December in Rancabali?
On the first day of December in Rancabali, Indonesia, sunrise is at 05:24 and sunset at 17:54. On the last day of the month, sunrise is at 05:37 and sunset at 18:09 WIB.
How long on average sun shines in December in Rancabali?
In December, the average sunshine duration in Rancabali is 7.4h.
What is the month with the highest UV index in Rancabali?
The months with the highest UV index in Rancabali are January through December, with an average maximum UV index of 6.
What are the months with the lowest UV index in Rancabali?
The months with the lowest UV index in Rancabali, Indonesia, are January through December, with an average maximum UV index of 6.
How high is the UV index in December in Rancabali?
In December, the average daily maximum UV index in Rancabali is 6. A UV Index reading of 6 to 7 represents a high health risk 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 - Rancabali, Indonesia
Average temperature in December
Rancabali, Indonesia
  • Average high temperature in December: 26.8°C

The warmest month (with the highest average high temperature) is September (29.2°C).
The month with the lowest average high temperature is January (25.6°C).

  • Average low temperature in December: 20.7°C

The month with the highest average low temperature is November (21.1°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).

Average pressure in December - Rancabali, Indonesia
Average pressure in December
Rancabali, 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 - Rancabali, Indonesia
Average wind speed in December
Rancabali, Indonesia
  • Average wind speed in December: 5.1km/h

The windiest month (with the highest average wind speed) is January (6.5km/h).
The calmest month (with the lowest average wind speed) is April (4.3km/h).

Average humidity in December - Rancabali, Indonesia
Average humidity in December
Rancabali, Indonesia
  • Average humidity in December: 82%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is September (71%).

Average rainfall in December - Rancabali, Indonesia
Average rainfall in December
Rancabali, Indonesia
  • Average rainfall in December: 387mm

The wettest month (with the highest rainfall) is December (387mm).
The driest month (with the least rainfall) is August (66mm).

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

The month with the highest number of rainy days is March (30.5 days).
The month with the least rainy days is August (16.5 days).

Average daylight in December / Average sunshine in December - Rancabali, Indonesia
Average daylight in December /
Average sunshine in December
Rancabali, 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: 7h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).

Average sunshine days in December - Rancabali, Indonesia
Average sunshine days in December
Rancabali, Indonesia
  • Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (12.3 days).
The month with the least sunshine days is February (0.1 days).

Average UV index in December - Rancabali, Indonesia
Average UV index in December
Rancabali, 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 - Rancabali, Indonesia
Average cloud cover in December
Rancabali, Indonesia
  • Average cloud cover in December: 54

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December - Rancabali, Indonesia
Average visibility in December
Rancabali, Indonesia
  • Average visibility in December: 8km

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

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