December weather forecast
Girijati, Indonesia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Girijati, Indonesia, with an average temperature fluctuating between 28.9°C (84°F) and 24.2°C (75.6°F).

Temperature

Transitioning into December, Girijati records an average high-temperature of a still moderately hot 28.9°C (84°F), almost identical to November's 29.1°C (84.4°F). Throughout December, Girijati reports a steady low-temperature average of 24.2°C (75.6°F), slightly lower than its daytime counterpart.

Heat index

For most parts of December, the heat index is evaluated at a hot 34°C (93.2°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Girijati, during December, the rain falls for 23.2 days and regularly aggregates up to 94mm (3.7") of precipitation. Throughout the year, there are 245 rainfall days, and 906mm (35.67") 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 the month, sunrise is at 05:11 and sunset at 17:44. On the last day of December, sunrise is at 05:24 and sunset at 17:59 WIB.

Sunshine

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

UV index

The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during December leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot does it get in December?
In Girijati, 28.9°C (84°F) is the average high-temperature and 24.2°C (75.6°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is evaluated at 34°C (93.2°F).
What is the average humidity in December?
In Girijati, the average relative humidity in December is 80%.
How much does it rain in December?
In Girijati, during December, the rain falls for 23.2 days and regularly aggregates up to 94mm (3.7") of precipitation.
When are the longest days?
December has the longest days of the year, with an average of 12h and 36min of daylight.
What is the average length of the day in December?
In Girijati, the average day length in December is 12h and 35min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 05:11 and sunset at 17:44. On the last day of the month, sunrise is at 05:24 and sunset at 17:59 WIB.
What is the month with the least sunshine?
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 Girijati, the average sunshine duration in December is 7.4h.
When is the highest UV index?
The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7.
How high is the UV index in December?
In December, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Girijati, Indonesia
  • Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in December: 24.2°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in December
Girijati, Indonesia
  • Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Girijati, Indonesia
  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in December
Girijati, Indonesia
  • Average humidity in December: 80%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in December
Girijati, Indonesia
  • Average rainfall in December: 94mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in December
Girijati, Indonesia
  • Average rainfall days in December: 23.2 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

Average daylight in December /
Average sunshine in December
Girijati, 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 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Girijati, Indonesia
  • Average sunshine days in December: 5.3 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in December
Girijati, Indonesia
  • Average UV index in December: 7

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

Average cloud cover in December
Girijati, Indonesia
  • Average cloud cover in December: 49

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in December
Girijati, 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).

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