December weather forecastCicayur, Indonesia

December

Weather in December

December, the first month of the summer in Cicayur, is also a hot month, with an average temperature varying between 26.3°C (79.3°F) and 30.5°C (86.9°F).

Temperature

During December, Cicayur observes a subtle ascent to a still hot 30.5°C (86.9°F) from November's 30.9°C (87.6°F) in the average high-temperature. An average low-temperature of 26.3°C (79.3°F), slightly less than the daytime peak, marks the month of December.

Heat index

The heat index in December is estimated at a torrid 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in December is 73%.

Rainfall

In Cicayur, in December, during 24.9 rainfall days, 129mm (5.08") of precipitation is typically accumulated. In Cicayur, during the entire year, the rain falls for 284.6 days and collects up to 1328mm (52.28") 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 December, sunrise is at 05:28 and sunset at 17:56. On the last day of the month, sunrise is at 05:42 and sunset at 18:10 WIB.

Sunshine

In Cicayur, Indonesia, the average sunshine in December is 9.5h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in December transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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 hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

An average high-temperature, in December, in Cicayur, is 30.5°C (86.9°F) and the average low-temperature is 26.3°C (79.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in December is estimated at 37°C (98.6°F).

In Cicayur, Indonesia, the average relative humidity in December is 73%.

In Cicayur, in December, it is raining for 24.9 days, with typically 129mm (5.08") of accumulated precipitation.

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

In December, the average day length is 12h and 29min.

On the first day of December, sunrise is at 05:28 and sunset at 17:56. On the last day of the month, sunrise is at 05:42 and sunset at 18:10 WIB.

In December, the average sunshine duration is 9.5h.

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

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

In Cicayur, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Cicayur, Indonesia

  • Average high temperature in December: 30.5°C

The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in December: 26.3°C

The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).

Average pressure in December
Cicayur, Indonesia

  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cicayur, Indonesia

  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest months (with the lowest average wind speed) are September and November (8.7km/h).

Average humidity in December
Cicayur, Indonesia

  • Average humidity in December: 73%

The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).

Average rainfall in December
Cicayur, Indonesia

  • Average rainfall in December: 129mm

The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).

Average rainfall days in December
Cicayur, Indonesia

  • Average rainfall days in December: 24.9 days

The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).

Average daylight in December /
Average sunshine in December
Cicayur, 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: 9h and 30min

The month with the most sunshine is March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).

Average sunshine days in December
Cicayur, Indonesia

  • Average sunshine days in December: 5.2 days

The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).

Average UV index in December
Cicayur, Indonesia

  • Average UV index in December: 7

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

Average cloud cover in December
Cicayur, Indonesia

  • Average cloud cover in December: 43

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Cicayur, 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).