December weather forecast
Bontoramba, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Bontoramba, Indonesia, with an average temperature fluctuating between 25.1°C (77.2°F) and 29.9°C (85.8°F).

Temperature

Bontoramba greets December with an average high-temperature of a moderately hot 29.9°C (85.8°F), marking a slight deviation from the preceding month. Throughout December, Bontoramba reports a steady low-temperature average of 25.1°C (77.2°F), slightly lower than its daytime counterpart.

Heat index

December's heat index is calculated to be a fiery hot 36°C (96.8°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Bontoramba, in December, it is raining for 22.5 days, with typically 106mm (4.17") of accumulated precipitation. In Bontoramba, Indonesia, during the entire year, the rain falls for 194.6 days and collects up to 840mm (33.07") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:37 and sunset at 18:03. On the last day of December, sunrise is at 05:51 and sunset at 18:17 WITA.

Sunshine

December has the most sunshine of the year, with an average of 10.2h of sunshine.

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 7 in December translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot is December in Bontoramba?
The high-temperature, in December, in Bontoramba, records 29.9°C (85.8°F), while the low-temperature is 25.1°C (77.2°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in December is calculated to be 36°C (96.8°F).
What is the average humidity in December in Bontoramba?
The average relative humidity in December is 76%.
How much does it rain in December?
In Bontoramba, in December, it is raining for 22.5 days, with typically 106mm (4.17") of accumulated precipitation.
When are the longest days?
With an average of 12h and 24min of daylight, December has the longest days of the year.
How many hours of daylight does Bontoramba have in December?
In December, the average day length is 12h and 26min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:37 and sunset at 18:03. On the last day of the month, sunrise is at 05:51 and sunset at 18:17 WITA.
What month has the most sunshine?
December has the most sunshine of the year in Bontoramba, with an average of 10.2h of sunshine.
How long on average sun shines in December?
In Bontoramba, the average sunshine duration in December is 10.2h.
What are the months with the highest UV index?
February through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index intensity in December?
The average daily maximum UV index in December is 7. A UV Index reading 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Bontoramba, Indonesia
  • Average high temperature in December: 29.9°C

The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.1°C).

  • Average low temperature in December: 25.1°C

The month with the highest average low temperature is November (25.5°C).
The coldest month (with the lowest average low temperature) is August (23°C).

Average pressure in December
Bontoramba, Indonesia
  • Average pressure in December: 1008.3mbar

The month with the highest atmospheric pressure is August (1010.8mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

Average wind speed in December
Bontoramba, Indonesia
  • Average wind speed in December: 7.3km/h

The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).

Average humidity in December
Bontoramba, Indonesia
  • Average humidity in December: 76%

The months with the highest relative humidity are April and May (79%).
The month with the lowest relative humidity is October (66%).

Average rainfall in December
Bontoramba, Indonesia
  • Average rainfall in December: 106mm

The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in December
Bontoramba, Indonesia
  • Average rainfall days in December: 22.5 days

The month with the highest number of rainy days is March (23.8 days).
The month with the least rainy days is August (4.9 days).

Average daylight in December /
Average sunshine in December
Bontoramba, Indonesia
  • Average daylight in December: 12h and 2min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in December: 10h and 1min

The month with the most sunshine is December (Average sunshine: 10h and 12min).
The month with the least sunshine is May (Average sunshine: 6h and 48min).

Average sunshine days in December
Bontoramba, Indonesia
  • Average sunshine days in December: 6.8 days

The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is March (4.1 days).

Average UV index in December
Bontoramba, Indonesia
  • Average UV index in December: 7

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

Average cloud cover in December
Bontoramba, Indonesia
  • Average cloud cover in December: 40

The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 16).

Average visibility in December
Bontoramba, 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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