December weather forecast
Daleman, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Daleman, Indonesia, with an average temperature varying between 23.2°C (73.8°F) and 28.7°C (83.7°F).

Temperature

Daleman registers an average high-temperature of a still warm 28.7°C (83.7°F) with the arrival of December, showing minor deviation from the preceding month. In December, the temperature drops to an average of 23.2°C (73.8°F) at night.

Heat index

December's heat index is calculated to be a hot 34°C (93.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. 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 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In Daleman, the average relative humidity in December is 82%.

Rainfall

In Daleman, in December, during 29.4 rainfall days, 189mm (7.44") of precipitation is typically accumulated. Throughout the year, there are 294.6 rainfall days, and 1749mm (68.86") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December in Daleman, Indonesia, sunrise is at 05:10 and sunset at 17:42. On the last day of the month, sunrise is at 05:23 and sunset at 17:57 WIB.

Sunshine

The month with the least sunshine in Daleman is December, with an average of 7.4h of sunshine.

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. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in December interprets into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

How hot is December?
An average high-temperature, in December, in Daleman, is 28.7°C (83.7°F) and the average low-temperature is 23.2°C (73.8°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in December is calculated to be 34°C (93.2°F).
What is the average humidity in December?
In December, the average relative humidity is 82%.
How many days does it rain in December?
In Daleman, 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 36min of daylight.
How many hours of daylight does Daleman have in December?
The average day length in December is 12h and 34min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 05:10 and sunset at 17:42. On the last day of the month, sunrise is at 05:23 and sunset at 17:57 WIB.
What is the month with the least sunshine?
With an average of 7.4h of sunshine, December has the least sunshine of the year.
How many hours of sunshine does Daleman have in December?
In December, the average sunshine duration in Daleman is 7.4h.
When is the lowest UV index?
January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
How high is the UV index in December?
In Daleman, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Daleman, 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
Daleman, 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
Daleman, 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
Daleman, 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
Daleman, 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
Daleman, 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
Daleman, Indonesia
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 36min).
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
Daleman, 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
Daleman, 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
Daleman, 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
Daleman, 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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