December weather forecast
Jaten, Indonesia

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Weather in December

The first month of the summer, December, is still a warm month in Jaten, Indonesia, with an average temperature fluctuating between 28.5°C (83.3°F) and 21.7°C (71.1°F).

Temperature

December's weather records an average high-temperature of a still moderately hot 28.5°C (83.3°F), showing little deviation from November. During the nights in December, Jaten experiences a consistent average temperature of 21.7°C (71.1°F).

Heat index

In December, the heat index is calculated to be a tropical 34°C (93.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In December, the average relative humidity in Jaten is 84%.

Rainfall

In Jaten, in December, during 29.1 rainfall days, 233mm (9.17") of precipitation is typically accumulated. In Jaten, during the entire year, the rain falls for 277.4 days and collects up to 2063mm (81.22") of precipitation.

Daylight

December has the longest days of the year in Jaten, with an average of 12h and 36min 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 05:22 and sunset at 17:56 WIB.

Sunshine

In December, the average sunshine in Jaten is 7.1h.

UV index

The months with the lowest UV index in Jaten are January through August, 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 radiation for ordinary individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is December in Jaten?

The average high-temperature, in December, in Jaten, is 28.5°C (83.3°F), while the average low-temperature is 21.7°C (71.1°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is calculated to be 34°C (93.2°F).

What is the average humidity in December in Jaten?

The average relative humidity in December is 84%.

How much does it rain in Jaten in December?

In Jaten, Indonesia, during December, the rain falls for 29.1 days and regularly aggregates up to 233mm (9.17") of precipitation.

When are the longest days in Jaten?

The month with the longest days is December, with an average of 12h and 36min of daylight.

How many hours of daylight does Jaten have in December?

The average day length in December in Jaten, Indonesia, is 12h and 34min.

When are sunrise and sunset in December in Jaten?

On the first day of December in Jaten, Indonesia, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:22 and sunset at 17:56 WIB.

How many hours of sunshine does Jaten have in December?

In Jaten, the average sunshine duration in December is 7.1h.

What are the months with the lowest UV index in Jaten?

The months with the lowest UV index are January through August, November and December, with an average maximum UV index of 6.

What is the UV index intensity in December in Jaten?

The average daily maximum UV index in December in Jaten, Indonesia, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Jaten, Indonesia

Average temperature in December - Jaten, Indonesia
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is July (28.4°C).

  • Average low temperature in December: 21.7°C

The months with the highest average low temperature are January, February and November (22.3°C).
The coldest month (with the lowest average low temperature) is August (20.3°C).

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Average pressure in December
Jaten, Indonesia

Average pressure in December - Jaten, Indonesia
  • Average pressure in December: 1009mbar

The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

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Average wind speed in December
Jaten, Indonesia

Average wind speed in December - Jaten, Indonesia
  • Average wind speed in December: 7.7km/h

The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).

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Average humidity in December
Jaten, Indonesia

Average humidity in December - Jaten, Indonesia
  • Average humidity in December: 84%

The months with the highest relative humidity are January, February, March and April (85%).
The month with the lowest relative humidity is September (74%).

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Average rainfall in December
Jaten, Indonesia

Average rainfall in December - Jaten, Indonesia
  • Average rainfall in December: 233mm

The wettest month (with the highest rainfall) is March (313mm).
The driest month (with the least rainfall) is August (29mm).

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Average rainfall days in December
Jaten, Indonesia

Average rainfall days in December - Jaten, Indonesia
  • Average rainfall days in December: 29.1 days

The month with the highest number of rainy days is January (30.5 days).
The month with the least rainy days is August (8.9 days).

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Average daylight in December /
Average sunshine in December
Jaten, Indonesia

Average daylight in December / Average sunshine in December - Jaten, 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 1min

The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

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Average sunshine days in December
Jaten, Indonesia

Average sunshine days in December - Jaten, Indonesia
  • Average sunshine days in December: 1 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (0.2 days).

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Average UV index in December
Jaten, Indonesia

Average UV index in December - Jaten, Indonesia
  • Average UV index in December: 6

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

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Average cloud cover in December
Jaten, Indonesia

Average cloud cover in December - Jaten, Indonesia
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Jaten, Indonesia

Average visibility in December - Jaten, Indonesia
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).

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Jaten, Indonesia

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