December weather forecastRawang, Malaysia
December
Weather in December
December, the first month of the winter in Rawang, is still a hot month, with an average temperature fluctuating between 22.8°C (73°F) and 30.5°C (86.9°F).Temperature
Rawang's December weather, marked by an average high temperature of 30.5°C (86.9°F) and an average low temperature of 22.8°C (73°F), is the coldest in the year.Heat index
December's average heat index is evaluated at an extremely hot 40°C (104°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
The most humid month is December, with an average relative humidity of 83%.Rainfall
In Rawang, during December, the rain falls for 28.6 days and regularly aggregates up to 181mm (7.13") of precipitation. Throughout the year, there are 300.1 rainfall days, and 1670mm (65.75") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 54min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 7:01 pm. On the last day of December, in Rawang, sunrise is at 7:18 am and sunset at 7:14 pm +08.
Sunshine
The month with the least sunshine is December, with an average of 7.3h of sunshine.UV index
The months with the highest UV index in Rawang are February through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rawang, Malaysia
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is May (32.5°C).
The month with the lowest average high temperature is December (30.5°C).
- Average low temperature in December: 22.8°C
The month with the highest average low temperature is May (23.7°C).
The coldest months (with the lowest average low temperature) are January and February (22.3°C).
Average pressure in December
Rawang, Malaysia
- Average pressure in December: 1009.7mbar
The month with the highest atmospheric pressure is January (1010.5mbar).
The month with the lowest atmospheric pressure is May (1008.8mbar).
Average wind speed in December
Rawang, Malaysia
- Average wind speed in December: 4km/h
The windiest months (with the highest average wind speed) are July and August (4.5km/h).
The calmest month (with the lowest average wind speed) is November (3.8km/h).
Average humidity in December
Rawang, Malaysia
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
Rawang, Malaysia
- Average rainfall in December: 181mm
The wettest month (with the highest rainfall) is November (234mm).
The driest month (with the least rainfall) is September (82mm).
Average rainfall days in December
Rawang, Malaysia
- Average rainfall days in December: 28.6 days
The months with the highest number of rainy days are November and December (28.6 days).
The month with the least rainy days is June (20.1 days).
Average daylight in December /
Average sunshine in December
Rawang, Malaysia
- Average daylight in December: 11h and 54min
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 54min).
- Average sunshine in December: 7h and 18min
The months with the most sunshine are June and July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).
Average sunshine days in December
Rawang, Malaysia
- Average sunshine days in December: 1.6 days
The month with the most sunshine days is July (8.7 days).
The month with the least sunshine days is November (0.6 days).
Average UV index in December
Rawang, Malaysia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January and November (UV index 6).
Average cloud cover in December
Rawang, Malaysia
- Average cloud cover in December: 50
The month with the most cloud cover is November (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in December
Rawang, Malaysia
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
