December weather forecast
Palu, Indonesia

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Weather in December

December marks the return to characteristic averages, with both highs and lows rounding out the year on a familiar note. Rainfall matches November’s showers at 199mm (7.83"), perpetuating a tropical feel within the city. Warm sea temperatures of 29.4°C (84.9°F) continue to attract water thrill-seekers. Despite the onset of the rainy season, daylight hours stretch up to 12.2 hours. Compared to November, December maintains a similar weather pattern, limited mostly by the consistent rainfall and pleasant sea temperatures.

Temperature

In Palu, December's average high-temperature stands at a still moderately hot 28.4°C (83.1°F), maintaining consistency with the preceding month. In Palu, in December, the average low-temperature is a pleasant 22.5°C (72.5°F).

Heat index

The heat index value for December is appraised at a hot 34°C (93.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, the rain falls for 29.5 days. Throughout December, 199mm (7.83") of precipitation is accumulated. Throughout the year, in Palu, there are 347.3 rainfall days, and 2504mm (98.58") of precipitation is accumulated.

Sea temperature

In Palu, in December, the average water temperature is 29.4°C (84.9°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The month with the longest days is December, with an average of 12h and 12min of daylight.
On the first day of the month, sunrise is at 05:44 and sunset at 17:54. On the last day of December, sunrise is at 05:58 and sunset at 18:08 WITA.

Sunshine

In Palu, the average sunshine in December is 8.8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during December translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! Sand and water surfaces escalate the UV intensity from the Sun.

Frequently asked questions

Is it hot during December?

Palu in December has an average high-temperature of 28.4°C (83.1°F) and an average low-temperature of 22.5°C (72.5°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in December is appraised at 34°C (93.2°F).

What is the average humidity in December?

In Palu, Indonesia, the average relative humidity in December is 85%.

How many days does it rain in December?

In Palu, during December, the rain falls for 29.5 days and regularly aggregates up to 199mm (7.83") of precipitation.

What is the water temperature in December in Palu?

In Palu, the average seawater temperature in December is 29.4°C (84.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

When are the longest days in Palu?

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

How many hours of daylight does Palu have in December?

In December, the average day length is 12h and 10min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 05:44 and sunset at 17:54. On the last day of the month, sunrise is at 05:58 and sunset at 18:08 WITA.

How many hours of sunshine does Palu have in December?

The average sunshine duration in December is 8.8h.

When is the highest UV index?

January through December, with an average maximum UV index of 6, are months with the highest UV index.

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Palu, Indonesia

Average temperature in December - Palu, Indonesia
  • Average high temperature in December: 28.4°C

The warmest month (with the highest average high temperature) is October (29°C).
The month with the lowest average high temperature is January (27.9°C).

  • Average low temperature in December: 22.5°C

The months with the highest average low temperature are November and December (22.5°C).
The coldest month (with the lowest average low temperature) is September (21.2°C).

Average pressure in December
Palu, Indonesia

Average pressure in December - Palu, Indonesia
  • Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is September (1010.8mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).

Average wind speed in December
Palu, Indonesia

Average wind speed in December - Palu, Indonesia
  • Average wind speed in December: 4.7km/h

The windiest month (with the highest average wind speed) is January (5.2km/h).
The calmest month (with the lowest average wind speed) is November (4.3km/h).

Average humidity in December
Palu, Indonesia

Average humidity in December - Palu, Indonesia
  • Average humidity in December: 85%

The month with the highest relative humidity is June (87%).
The months with the lowest relative humidity are January, February, September and October (84%).

Average rainfall in December
Palu, Indonesia

Average rainfall in December - Palu, Indonesia
  • Average rainfall in December: 199mm

The wettest month (with the highest rainfall) is June (284mm).
The driest month (with the least rainfall) is September (156mm).

Average rainfall days in December
Palu, Indonesia

Average rainfall days in December - Palu, Indonesia
  • Average rainfall days in December: 29.5 days

The month with the highest number of rainy days is May (29.9 days).
The month with the least rainy days is February (26.9 days).

Average sea temperature in December
Palu, Indonesia

Average sea temperature in December - Palu, Indonesia
  • Average sea temperature in December: 29.4°C

The best months for swimming (with the highest average sea temperature) are May and June (29.9°C).
The coldest month (with the lowest average sea temperature) is February (28.8°C).

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

Average daylight in December / Average sunshine in December - Palu, Indonesia
  • Average daylight in December: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).

  • Average sunshine in December: 8h and 5min

The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 42min).

Average sunshine days in December
Palu, Indonesia

Average sunshine days in December - Palu, Indonesia
  • Average sunshine days in December: 1.4 days

The month with the most sunshine days is October (2.8 days).
The month with the least sunshine days is June (0.1 days).

Average UV index in December
Palu, Indonesia

Average UV index in December - Palu, 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
Palu, Indonesia

Average cloud cover in December - Palu, Indonesia
  • Average cloud cover in December: 47

The months with the most cloud cover are April and June (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in December
Palu, Indonesia

Average visibility in December - Palu, Indonesia
  • Average visibility in December: 9km

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

Palu, Indonesia

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