December weather forecastPoso, Indonesia

December

Weather in December

December, the first month of the summer in Poso, is still a warm month, with an average temperature varying between 27°C (80.6°F) and 21°C (69.8°F).

Temperature

Shifting into December, Poso records an average high-temperature of a still warm 27°C (80.6°F), presenting minor fluctuations compared to the previous month. In Poso, an average low-temperature of 21°C (69.8°F) is recorded during December nights.

Heat index

In December, the average heat index is calculated to be a hot 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Consider that heat index readings are for situations in the shade and light wind. 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 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Poso, during December, the rain falls for 28.5 days and regularly aggregates up to 110mm (4.33") of precipitation. Throughout the year, there are 322.2 rainfall days, and 1303mm (51.3") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 12min of daylight.
On the first day of the month, sunrise is at 05:40 and sunset at 17:51. On the last day of December, sunrise is at 05:53 and sunset at 18:06 WITA.

Sunshine

In Poso, the average sunshine in December is 8.9h.

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 estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a regular UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Poso, is 27°C (80.6°F) and the average low-temperature is 21°C (69.8°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in December is calculated to be 30°C (86°F).

The average relative humidity in December is 83%.

In Poso, in December, during 28.5 rainfall days, 110mm (4.33") of precipitation is typically accumulated.

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

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

In December, on the first day of the month, sunrise is at 05:40 and sunset at 17:51. On the last day of the month, sunrise is at 05:53 and sunset at 18:06 WITA.

In December, the average sunshine duration is 8.9h.

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.

In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

27.4°C

27°C

26.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.5km/h

5km/h

4.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.2

1.9

1.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Poso, Indonesia

Average high temperature in December: 27°C

The warmest month (with the highest average high temperature) is October (28.3°C).
The month with the lowest average high temperature is March (26.3°C).

Average low temperature in December: 21°C

The month with the highest average low temperature is May (21.2°C).
The coldest month (with the lowest average low temperature) is September (19.8°C).

Average pressure in December
Poso, Indonesia

Average pressure in December: 1009.5mbar

The months with the highest atmospheric pressure are August and September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).

Average wind speed in December
Poso, Indonesia

Average wind speed in December: 4.4km/h

The windiest month (with the highest average wind speed) is August (6.1km/h).
The calmest month (with the lowest average wind speed) is March (4.2km/h).

Average humidity in December
Poso, Indonesia

Average humidity in December: 83%

The months with the highest relative humidity are April, May and June (85%).
The month with the lowest relative humidity is September (79%).

Average rainfall in December
Poso, Indonesia

Average rainfall in December: 110mm

The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is September (79mm).

Average rainfall days in December
Poso, Indonesia

Average rainfall days in December: 28.5 days

The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is September (24.2 days).

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

Average daylight in December: 12h and 12min

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 0min).

Average sunshine in December: 8h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 8h and 0min).

Average sunshine days in December
Poso, Indonesia

Average sunshine days in December: 1.9 days

The month with the most sunshine days is September (4.5 days).
The month with the least sunshine days is January (1.6 days).

Average UV index in December
Poso, 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
Poso, Indonesia

Average cloud cover in December: 46

The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in December
Poso, Indonesia

Average visibility in December: 9km

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