December weather forecast
Shah Alam, Malaysia

Weather in December

The first month of the winter, December, is also a hot month in Shah Alam, Malaysia, with an average temperature fluctuating between 31.1°C (88°F) and 23.9°C (75°F).

Temperature

The coldest month is December, with an average high-temperature of 31.1°C (88°F) and an average low-temperature of 23.9°C (75°F).

Heat index

The average heat index in December is evaluated at a blistering 41.6°C (106.9°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, metabolic differences, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The most humid month in Shah Alam, Malaysia, is December, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Shah Alam, Malaysia, is December, when the rain falls for 11.9 days and typically aggregates up to 37mm (1.46") of precipitation.

Daylight

December has the shortest days of the year in Shah Alam, Malaysia, with an average of 11h and 57min of daylight.
On the first day of December in Shah Alam, sunrise is at 7:04 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:15 pm +08.

Sunshine

The months with the least sunshine are November and December, with an average of 7.6h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Shah Alam. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Shah Alam. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Shah Alam?

December is the coldest month in Shah Alam, with an average high-temperature of 31.1°C (88°F) and an average low-temperature of 23.9°C (75°F).

What is the temperature in December in Shah Alam?

In Shah Alam, in December, the average high-temperature is 31.1°C (88°F), and the average low-temperature is 23.9°C (75°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 41.6°C (106.9°F).

What is the most humid month in Shah Alam?

December is the most humid month in Shah Alam, with an average relative humidity of 81%.

What is the average humidity in December in Shah Alam?

In Shah Alam, Malaysia, the average relative humidity in December is 81%.

What is the rainiest month in Shah Alam?

The month with the most rainfall is December, when the rain falls for 11.9 days and typically aggregates up to 37mm (1.46") of precipitation.

How many days does it rain in December in Shah Alam?

In December, the rain falls for 11.9 days. Throughout December, 37mm (1.46") of precipitation is accumulated.

What is the month with the shortest days in Shah Alam?

The month with the shortest days in Shah Alam is December, with an average of 11h and 57min of daylight.

How many hours of daylight does Shah Alam have in December?

In December, the average day length is 11h and 57min.

What time are sunrise and sunset in December in Shah Alam?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 7:01 pm. On the last day of the month, in Shah Alam, sunrise is at 7:18 am and sunset at 7:15 pm +08.

What is the month with the least sunshine in Shah Alam?

The months with the least sunshine in Shah Alam, Malaysia, are November and December, with an average of 7.6h of sunshine.

How many hours of sunshine does Shah Alam have in December?

The average sunshine duration in December in Shah Alam, Malaysia, is 7.6h.

What are the months with the highest UV index in Shah Alam?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the month with the lowest UV index in Shah Alam?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Shah Alam, Malaysia.

How high is the UV index in December in Shah Alam?

In December, the average daily maximum UV index in Shah Alam is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Shah Alam, Malaysia

Average temperature in December - Shah Alam, Malaysia
  • Average high temperature in December: 31.1°C

The warmest month (with the highest average high temperature) is August (33°C).
The month with the lowest average high temperature is December (31.1°C).

  • Average low temperature in December: 23.9°C

The month with the highest average low temperature is May (24.9°C).
The coldest months (with the lowest average low temperature) are January and February (23.4°C).

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Average pressure in December
Shah Alam, Malaysia

Average pressure in December - Shah Alam, Malaysia
  • Average pressure in December: 1009.6mbar

The month with the highest atmospheric pressure is January (1010.4mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).

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Average wind speed in December
Shah Alam, Malaysia

Average wind speed in December - Shah Alam, Malaysia
  • Average wind speed in December: 4.6km/h

The windiest months (with the highest average wind speed) are July and August (5.9km/h).
The calmest month (with the lowest average wind speed) is December (4.6km/h).

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Average humidity in December
Shah Alam, Malaysia

Average humidity in December - Shah Alam, Malaysia
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August and September (71%).

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Average rainfall in December
Shah Alam, Malaysia

Average rainfall in December - Shah Alam, Malaysia
  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is December (37mm).
The driest month (with the least rainfall) is September (7mm).

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Average rainfall days in December
Shah Alam, Malaysia

Average rainfall days in December - Shah Alam, Malaysia
  • Average rainfall days in December: 11.9 days

The months with the highest number of rainy days are November and December (11.9 days).
The month with the least rainy days is September (4.6 days).

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Average daylight in December /
Average sunshine in December
Shah Alam, Malaysia

Average daylight in December / Average sunshine in December - Shah Alam, Malaysia
  • Average daylight in December: 11h and 57min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 57min).

  • Average sunshine in December: 7h and 36min

The month with the most sunshine is July (Average sunshine: 9h and 0min).
The months with the least sunshine are November and December (Average sunshine: 7h and 36min).

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Average sunshine days in December
Shah Alam, Malaysia

Average sunshine days in December - Shah Alam, Malaysia
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is September (24.9 days).
The month with the least sunshine days is December (16.2 days).

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Average UV index in December
Shah Alam, Malaysia

Average UV index in December - Shah Alam, Malaysia
  • Average UV index in December: 7

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

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Average cloud cover in December
Shah Alam, Malaysia

Average cloud cover in December - Shah Alam, Malaysia
  • Average cloud cover in December: 47

The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Shah Alam, Malaysia

Average visibility in December - Shah Alam, Malaysia
  • Average visibility in December: 9km

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

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