December weather forecastPenpen, Indonesia

December

Weather in December

December, the first month of the summer in Penpen, is also a hot month, with an average temperature varying between 25.2°C (77.4°F) and 30.2°C (86.4°F).

Temperature

Penpen's entry into December measures an average high-temperature of a still tropical 30.2°C (86.4°F), closely parallel to the preceding month. A slight dip in temperature to a warm 25.2°C (77.4°F) marks the average nights in Penpen during December.

Heat index

December's average heat index is computed to be a fiery hot 37°C (98.6°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In December, the average relative humidity in Penpen is 76%.

Rainfall

In Penpen, in December, it is raining for 27.5 days, with typically 173mm (6.81") of accumulated precipitation. Throughout the year, in Penpen, Indonesia, there are 244.1 rainfall days, and 1216mm (47.87") of precipitation is accumulated.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year in Penpen.
On the first day of the month, sunrise is at 05:20 and sunset at 17:49. On the last day of December, sunrise is at 05:33 and sunset at 18:04 WIB.

Sunshine

The month with the least sunshine is December, with an average of 8.3h of sunshine.

UV index

The months with the highest UV index in Penpen are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Penpen. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during December leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

In December, the average high-temperature and low-temperature in Penpen are 30.2°C (86.4°F) and 25.2°C (77.4°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in December is computed to be 37°C (98.6°F).

The average relative humidity in December is 76%.

In Penpen, Indonesia, during December, the rain falls for 27.5 days and regularly aggregates up to 173mm (6.81") of precipitation.

With an average of 12h and 30min of daylight, December has the longest days of the year.

The average day length in December is 12h and 31min.

On the first day of December in Penpen, sunrise is at 05:20 and sunset at 17:49. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 WIB.

With an average of 8.3h of sunshine, December has the least sunshine of the year in Penpen, Indonesia.

The average sunshine duration in December in Penpen is 8.3h.

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

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

In December, the average daily maximum UV index in Penpen, Indonesia, is 7. A UV Index value of 6 to 7 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Penpen, Indonesia

  • Average high temperature in December: 30.2°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in December: 25.2°C

The month with the highest average low temperature is December (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

Average pressure in December
Penpen, Indonesia

  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Penpen, Indonesia

  • Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in December
Penpen, Indonesia

  • Average humidity in December: 76%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in December
Penpen, Indonesia

  • Average rainfall in December: 173mm

The wettest month (with the highest rainfall) is February (207mm).
The driest month (with the least rainfall) is August (13mm).

Average rainfall days in December
Penpen, Indonesia

  • Average rainfall days in December: 27.5 days

The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).

Average daylight in December /
Average sunshine in December
Penpen, 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 42min).

  • Average sunshine in December: 8h and 18min

The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).

Average sunshine days in December
Penpen, Indonesia

  • Average sunshine days in December: 2.7 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).

Average UV index in December
Penpen, 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
Penpen, Indonesia

  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Penpen, Indonesia

  • Average visibility in December: 10km

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