December weather forecastDebak, Malaysia

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Debak, Malaysia, with an average temperature ranging between min 22.1°C (71.8°F) and max 29.8°C (85.6°F).

Temperature

The arrival of December brings an average high-temperature of a warm 29.8°C (85.6°F), subtly diverging from November's 30.4°C (86.7°F). During December, the average low-temperature in Debak is an agreeable 22.1°C (71.8°F).

Heat index

The heat index for December is calculated to be a scorching 40°C (104°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in December is 89%.

Rainfall

The month with the most rainfall is December, when the rain falls for 27.2 days and typically aggregates up to 196mm (7.72") of precipitation.

Daylight

With an average of 12h and 0min of daylight, December has the shortest days of the year in Debak.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:24 pm. On the last day of December, sunrise is at 6:36 am and sunset at 6:38 pm +08.

Sunshine

The average sunshine in December is 5.3h.

UV index

The months with the lowest UV index in Debak are January through March, May, June, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in December transforms into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 29.8°C (85.6°F) and 22.1°C (71.8°F) respectively. In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 40°C (104°F).

In Debak, Malaysia, the average relative humidity in December is 89%.

December is the month with the most rainfall in Debak. Rain falls for 27.2 days and accumulates 196mm (7.72") of precipitation.

In Debak, Malaysia, in December, during 27.2 rainfall days, 196mm (7.72") of precipitation is typically accumulated.

The month with the shortest days in Debak is December, with an average of 12h and 0min of daylight.

The average day length in December is 12h and 2min.

In December, on the first day of the month, sunrise is at 6:22 am and sunset at 6:24 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:38 pm +08.

In Debak, Malaysia, the average sunshine duration in December is 5.3h.

January through March, May, June, September through December, with an average maximum UV index of 6, are months with the lowest UV index in Debak, Malaysia.

The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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

30.4°C

29.8°C

29.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

3.8km/h

3.9km/h

4.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.5

3.1

2.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Debak, Malaysia

Average high temperature in December: 29.8°C

The warmest months (with the highest average high temperature) are May and August (31.8°C).
The month with the lowest average high temperature is January (29.6°C).

Average low temperature in December: 22.1°C

The month with the highest average low temperature is May (22.5°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).

Average pressure in December
Debak, Malaysia

Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are February and March (1010.1mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

Average wind speed in December
Debak, Malaysia

Average wind speed in December: 3.4km/h

The windiest month (with the highest average wind speed) is July (3.9km/h).
The calmest months (with the lowest average wind speed) are April and May (3.2km/h).

Average humidity in December
Debak, Malaysia

Average humidity in December: 89%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (81%).

Average rainfall in December
Debak, Malaysia

Average rainfall in December: 196mm

The wettest month (with the highest rainfall) is December (196mm).
The driest month (with the least rainfall) is August (110mm).

Average rainfall days in December
Debak, Malaysia

Average rainfall days in December: 27.2 days

The month with the highest number of rainy days is January (27.3 days).
The month with the least rainy days is July (20 days).

Average daylight in December /
Average sunshine in December
Debak, Malaysia

Average daylight in December: 12h and 0min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).

Average sunshine in December: 5h and 18min

The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Debak, Malaysia

Average sunshine days in December: 3.1 days

The month with the most sunshine days is July (9.6 days).
The month with the least sunshine days is January (2.8 days).

Average UV index in December
Debak, Malaysia

Average UV index in December: 6

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