December weather forecastCilejit, Indonesia

December

Weather in December

The first month of the summer, December, is still a tropical month in Cilejit, Indonesia, with an average temperature ranging between max 30.5°C (86.9°F) and min 26.3°C (79.3°F).

Temperature

The transition into December marks the average high-temperature at a still hot 30.5°C (86.9°F), differing minimally from November's 30.9°C (87.6°F). Cilejit records a negligible downturn from daytime temperatures, averaging a low of 26.3°C (79.3°F) in the month of December.

Heat index

The average heat index in December is computed to be a very hot 37°C (98.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in December in Cilejit is 73%.

Rainfall

In Cilejit, in December, during 24.9 rainfall days, 128mm (5.04") of precipitation is typically accumulated. Throughout the year, there are 283.6 rainfall days, and 1323mm (52.09") of precipitation is accumulated.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:29 and sunset at 17:57. On the last day of the month, sunrise is at 05:42 and sunset at 18:11 WIB.

Sunshine

In December, the average sunshine is 9.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Cilejit. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

An average high-temperature, in December, in Cilejit, 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. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is computed to be 37°C (98.6°F).

The average relative humidity in December in Cilejit, Indonesia, is 73%.

In Cilejit, Indonesia, in December, it is raining for 24.9 days, with typically 128mm (5.04") of accumulated precipitation.

The month with the longest days in Cilejit, Indonesia, is December, with an average of 12h and 30min of daylight.

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

In December, on the first day of the month, sunrise is at 05:29 and sunset at 17:57. On the last day of the month, in Cilejit, Indonesia, sunrise is at 05:42 and sunset at 18:11 WIB.

In Cilejit, Indonesia, the average sunshine duration in December is 9.4h.

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

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

The average daily maximum UV index in December in Cilejit is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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
Cilejit, 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
Cilejit, Indonesia

  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cilejit, 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 month (with the lowest average wind speed) is September (8.6km/h).

Average humidity in December
Cilejit, 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
Cilejit, Indonesia

  • Average rainfall in December: 128mm

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
Cilejit, 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
Cilejit, 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 24min

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
Cilejit, 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
Cilejit, 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
Cilejit, Indonesia

  • Average cloud cover in December: 43

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

Average visibility in December
Cilejit, 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).