December weather forecastHalilulik, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Halilulik, Indonesia, with an average temperature ranging between max 27.9°C (82.2°F) and min 24.7°C (76.5°F).

Temperature

As Halilulik steps into December, the average high-temperature is measured at a still warm 27.9°C (82.2°F), displaying minor differences from November's 28.4°C (83.1°F). Halilulik registers a steady nighttime temperature averaging a still moderately hot 24.7°C (76.5°F) throughout December.

Heat index

December's heat index is computed to be a tropical 31°C (87.8°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index determinations are made taking into account the shade and light air movements. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In December, the average relative humidity is 76%.

Rainfall

December is the month with the most rainfall. Rain falls for 28.4 days and accumulates 172mm (6.77") of precipitation.

Daylight

With an average of 12h and 42min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:10 and sunset at 17:48. On the last day of December, sunrise is at 05:23 and sunset at 18:03 WITA.

Sunshine

In December, the average sunshine is 8.4h.

UV index

January, February, June through August and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 6 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

An average high-temperature, in December, in Halilulik, is 27.9°C (82.2°F) and the average low-temperature is 24.7°C (76.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in December is computed to be 31°C (87.8°F).

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

The month with the most rainfall is December, when the rain falls for 28.4 days and typically aggregates up to 172mm (6.77") of precipitation.

In December, the rain falls for 28.4 days. Throughout December, 172mm (6.77") of precipitation is accumulated.

With an average of 12h and 42min of daylight, December has the longest days of the year.

In December, the average day length in Halilulik, Indonesia, is 12h and 40min.

On the first day of December, sunrise is at 05:10 and sunset at 17:48. On the last day of the month, sunrise is at 05:23 and sunset at 18:03 WITA.

In December, the average sunshine duration is 8.4h.

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

In Halilulik, Indonesia, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Halilulik, Indonesia

  • Average high temperature in December: 27.9°C

The warmest month (with the highest average high temperature) is October (28.5°C).
The month with the lowest average high temperature is July (26.6°C).

  • Average low temperature in December: 24.7°C

The month with the highest average low temperature is December (24.7°C).
The coldest month (with the lowest average low temperature) is August (22.3°C).

Average pressure in December
Halilulik, Indonesia

  • Average pressure in December: 1007.7mbar

The month with the highest atmospheric pressure is August (1012.5mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in December
Halilulik, Indonesia

  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is July (12.1km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

Average humidity in December
Halilulik, Indonesia

  • Average humidity in December: 76%

The months with the highest relative humidity are January, February and March (79%).
The months with the lowest relative humidity are August and September (69%).

Average rainfall in December
Halilulik, Indonesia

  • Average rainfall in December: 172mm

The wettest month (with the highest rainfall) is December (172mm).
The driest month (with the least rainfall) is August (2mm).

Average rainfall days in December
Halilulik, Indonesia

  • Average rainfall days in December: 28.4 days

The month with the highest number of rainy days is December (28.4 days).
The month with the least rainy days is August (2.8 days).

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

  • Average daylight in December: 12h and 42min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in December: 8h and 24min

The months with the most sunshine are August and September (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 8h and 6min).

Average sunshine days in December
Halilulik, Indonesia

  • Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (26.4 days).
The month with the least sunshine days is January (0.6 days).

Average UV index in December
Halilulik, Indonesia

  • Average UV index in December: 6

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

Average cloud cover in December
Halilulik, Indonesia

  • Average cloud cover in December: 37

The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in December
Halilulik, Indonesia

  • Average visibility in December: 9km

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