December weather forecastCikumpa, Indonesia

December

Weather in December

December, the first month of the summer in Cikumpa, is still a tropical month, with an average temperature ranging between min 24.5°C (76.1°F) and max 30.8°C (87.4°F).

Temperature

The beginning of December reveals an average high-temperature of a still hot 30.8°C (87.4°F), showing minimal deviation from the previous month. December witnesses an average low-temperature hovering around a warm 24.5°C (76.1°F).

Heat index

December's heat index is appraised at a sweltering 38°C (100.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. 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. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Cikumpa, Indonesia, in December, during 22.1 rainfall days, 105mm (4.13") of precipitation is typically accumulated. Throughout the year, there are 242.8 rainfall days, and 1039mm (40.91") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of December in Cikumpa, sunrise is at 05:27 and sunset at 17:55. On the last day of the month, sunrise is at 05:41 and sunset at 18:10 WIB.

Sunshine

In December, the average sunshine is 8.7h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The average high-temperature, in December, in Cikumpa, is 30.8°C (87.4°F), while the average low-temperature is 24.5°C (76.1°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 38°C (100.4°F).

In December, the average relative humidity in Cikumpa, Indonesia, is 74%.

In Cikumpa, Indonesia, in December, during 22.1 rainfall days, 105mm (4.13") of precipitation is typically accumulated.

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

The average day length in December in Cikumpa is 12h and 29min.

On the first day of December, sunrise is at 05:27 and sunset at 17:55. On the last day of the month, sunrise is at 05:41 and sunset at 18:10 WIB.

The average sunshine duration in December in Cikumpa is 8.7h.

February through December, with an average maximum UV index of 7, are months with the highest UV index.

The average daily maximum UV index in December in Cikumpa is 7. A UV Index of 6 to 7 symbolizes a high health threat 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
Cikumpa, Indonesia

  • Average high temperature in December: 30.8°C

The warmest month (with the highest average high temperature) is October (32.3°C).
The month with the lowest average high temperature is January (29.5°C).

  • Average low temperature in December: 24.5°C

The month with the highest average low temperature is November (24.6°C).
The coldest months (with the lowest average low temperature) are July and August (22.5°C).

Average pressure in December
Cikumpa, Indonesia

  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cikumpa, Indonesia

  • Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is January (9.1km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).

Average humidity in December
Cikumpa, Indonesia

  • Average humidity in December: 74%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are September and October (68%).

Average rainfall in December
Cikumpa, Indonesia

  • Average rainfall in December: 105mm

The wettest month (with the highest rainfall) is April (140mm).
The driest month (with the least rainfall) is August (36mm).

Average rainfall days in December
Cikumpa, Indonesia

  • Average rainfall days in December: 22.1 days

The month with the highest number of rainy days is November (24.9 days).
The month with the least rainy days is August (11.7 days).

Average daylight in December /
Average sunshine in December
Cikumpa, 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 48min).

  • Average sunshine in December: 8h and 42min

The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).

Average sunshine days in December
Cikumpa, Indonesia

  • Average sunshine days in December: 6.7 days

The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is November (3.5 days).

Average UV index in December
Cikumpa, 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
Cikumpa, Indonesia

  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Cikumpa, Indonesia

  • Average visibility in December: 10km

The months with the highest visibility are March, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February and April (9km).