December weather forecast
Genengan, Indonesia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Genengan, Indonesia, with an average temperature ranging between min 23.2°C (73.8°F) and max 28.7°C (83.7°F).

Temperature

Genengan's weather in December, with an average high-temperature of a still moderately hot 28.7°C (83.7°F), subtly shifts from November's 29°C (84.2°F). Throughout December nights, Genengan registers an average low-temperature of 23.2°C (73.8°F).

Heat index

The average heat index in December is estimated at a hot 34°C (93.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in December in Genengan is 82%.

Rainfall

In Genengan, in December, it is raining for 29.4 days, with typically 189mm (7.44") of accumulated precipitation. In Genengan, during the entire year, the rain falls for 294.6 days and collects up to 1749mm (68.86") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.

Sunshine

December has the least sunshine of the year, with an average of 7.4h of sunshine.

UV index

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

Is it hot during December?
In Genengan, 28.7°C (83.7°F) is the average high-temperature and 23.2°C (73.8°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 34°C (93.2°F).
What is the average humidity in December in Genengan?
The average relative humidity in December is 82%.
How much does it rain in December?
In Genengan, Indonesia, in December, it is raining for 29.4 days, with typically 189mm (7.44") of accumulated precipitation.
When are the longest days?
The month with the longest days is December, with an average of 12h and 30min of daylight.
How many hours of daylight does Genengan have in December?
The average day length in December in Genengan, Indonesia, is 12h and 33min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.
What is the month with the least sunshine in Genengan?
December has the least sunshine of the year, with an average of 7.4h of sunshine.
How long on average sun shines in December?
In Genengan, the average sunshine duration in December is 7.4h.
What are the months with the lowest UV index?
The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6.
What is the UV index reading in December?
In Genengan, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Genengan, Indonesia
  • Average high temperature in December: 28.7°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in December: 23.2°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in December
Genengan, Indonesia
  • Average pressure in December: 1009mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in December
Genengan, Indonesia
  • Average wind speed in December: 8.5km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in December
Genengan, Indonesia
  • Average humidity in December: 82%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in December
Genengan, Indonesia
  • Average rainfall in December: 189mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in December
Genengan, Indonesia
  • Average rainfall days in December: 29.4 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in December /
Average sunshine in December
Genengan, Indonesia
  • Average daylight in December: 12h and 3min

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 42min).

  • Average sunshine in December: 7h and 2min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Genengan, Indonesia
  • Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

Average UV index in December
Genengan, Indonesia
  • Average UV index in December: 6

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

Average cloud cover in December
Genengan, Indonesia
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).

Average visibility in December
Genengan, Indonesia
  • Average visibility in December: 9km

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

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