December weather forecastIbu, Indonesia
December
Weather in December
The first month of the winter, December, is still a warm month in Ibu, Indonesia, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 29.5°C (85.1°F).Temperature
In December, the average high-temperature registers at a still moderately hot 29.5°C (85.1°F), nearly identical to November's 29.8°C (85.6°F). Ibu, during December nights, records a temperature marginally cooler than the daytime average, at a still moderately hot 26°C (78.8°F).Heat index
The heat index value for December is evaluated at a fiery hot 36°C (96.8°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In December, the average relative humidity is 78%.Rainfall
In Ibu, Indonesia, during December, the rain falls for 26.1 days and regularly aggregates up to 175mm (6.89") of precipitation. Throughout the year, there are 299.4 rainfall days, and 1689mm (66.5") of precipitation is accumulated.Daylight
With an average of 12h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:17 and sunset at 18:20. On the last day of December, sunrise is at 06:31 and sunset at 18:33 WIT.
Sunshine
In Ibu, the average sunshine in December is 8.3h.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ibu, Indonesia
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is May (30.2°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in December: 26°C
The month with the highest average low temperature is November (26.4°C).
The coldest month (with the lowest average low temperature) is August (25.3°C).
Average pressure in December
Ibu, Indonesia
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is September (1009.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in December
Ibu, Indonesia
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is February (9.6km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).
Average humidity in December
Ibu, Indonesia
- Average humidity in December: 78%
The months with the highest relative humidity are January, February and March (80%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in December
Ibu, Indonesia
- Average rainfall in December: 175mm
The wettest month (with the highest rainfall) is January (204mm).
The driest month (with the least rainfall) is September (73mm).
Average rainfall days in December
Ibu, Indonesia
- Average rainfall days in December: 26.1 days
The month with the highest number of rainy days is May (27.8 days).
The month with the least rainy days is September (20.5 days).
Average daylight in December /
Average sunshine in December
Ibu, Indonesia
- Average daylight in December: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in December: 8h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 0min).
Average sunshine days in December
Ibu, Indonesia
- Average sunshine days in December: 2.9 days
The month with the most sunshine days is October (6.7 days).
The month with the least sunshine days is April (1.9 days).
Average UV index in December
Ibu, Indonesia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are November and December (UV index 6).
Average cloud cover in December
Ibu, Indonesia
- Average cloud cover in December: 40
The month with the most cloud cover is June (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 32).
Average visibility in December
Ibu, 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).
