December weather forecast
Polengan, Indonesia

December

Weather in December

December, the first month of the summer in Polengan, is still a warm month, with an average temperature ranging between min 20.8°C (69.4°F) and max 26.7°C (80.1°F).

Temperature

Polengan indicates an average high-temperature of a still warm 26.7°C (80.1°F) in December, showing minor variation from November's 27.4°C (81.3°F). Polengan records a mean low-temperature of 20.8°C (69.4°F) in December.

Humidity

In Polengan, the average relative humidity in December is 88%.

Rainfall

In Polengan, during December, the rain falls for 28.3 days and regularly aggregates up to 297mm (11.69") of precipitation. In Polengan, during the entire year, the rain falls for 323.5 days and collects up to 3010mm (118.5") of precipitation.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:11 and sunset at 17:43. On the last day of December, sunrise is at 05:24 and sunset at 17:58 WIB.

Sunshine

January and December, with an average of 5.9h of sunshine, are months with the least sunshine.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the temperature in December?
Polengan in December has an average high-temperature of 26.7°C (80.1°F) and an average low-temperature of 20.8°C (69.4°F). In November, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 32°C (89.6°F).
What is the average humidity in December?
In Polengan, the average relative humidity in December is 88%.
How much does it rain in December?
In Polengan, during December, the rain falls for 28.3 days and regularly aggregates up to 297mm (11.69") 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 December, the average day length is 12h and 34min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:11 and sunset at 17:43. On the last day of the month, sunrise is at 05:24 and sunset at 17:58 WIB.
What are the months with the least sunshine?
January and December, with an average of 5.9h of sunshine, are months with the least sunshine.
How many hours of sunshine does Polengan have in December?
In Polengan, the average sunshine duration in December is 5.9h.
When is the highest UV index?
January through December, with an average maximum UV index of 6, are months with the highest UV index.
What are the months with the lowest UV index?
January through December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in December?
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 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
Polengan, Indonesia
  • Average high temperature in December: 26.7°C

The warmest month (with the highest average high temperature) is October (28.1°C).
The month with the lowest average high temperature is July (26.1°C).

  • Average low temperature in December: 20.8°C

The months with the highest average low temperature are January and November (21°C).
The coldest month (with the lowest average low temperature) is August (18.4°C).

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

The month with the highest atmospheric pressure is August (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Polengan, Indonesia
  • Average wind speed in December: 6km/h

The windiest month (with the highest average wind speed) is September (7.6km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).

Average humidity in December
Polengan, Indonesia
  • Average humidity in December: 88%

The months with the highest relative humidity are February and April (89%).
The month with the lowest relative humidity is September (82%).

Average rainfall in December
Polengan, Indonesia
  • Average rainfall in December: 297mm

The wettest month (with the highest rainfall) is March (391mm).
The driest month (with the least rainfall) is August (70mm).

Average rainfall days in December
Polengan, Indonesia
  • Average rainfall days in December: 28.3 days

The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (22.6 days).

Average daylight in December /
Average sunshine in December
Polengan, 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: 5h and 5min

The months with the most sunshine are August and September (Average sunshine: 7h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days in December
Polengan, Indonesia
  • Average sunshine days in December: 2.4 days

The month with the most sunshine days is July (4.3 days).
The months with the least sunshine days are March and April (0.3 days).

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

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

Average cloud cover in December
Polengan, Indonesia
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are August and September (Cloud cover 53).

Average visibility in December
Polengan, Indonesia
  • Average visibility in December: 7km

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

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