December weather forecastSerom, Malaysia
December
Weather in December
The first month of the winter, December, is still a warm month in Serom, Malaysia, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 29.9°C (85.8°F).Temperature
In Serom, December records the lowest average temperatures, peaking at 29.9°C (85.8°F) and reaching a low of 24.1°C (75.4°F).Heat index
In December, the average heat index is estimated at a very hot 38°C (100.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
The most humid month in Serom, Malaysia, is December, with an average relative humidity of 83%.Rainfall
In December, the rain falls for 26.5 days. Throughout December, 155mm (6.1") of precipitation is accumulated. In Serom, during the entire year, the rain falls for 292.9 days and collects up to 1290mm (50.79") of precipitation.Daylight
With an average of 12h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:58 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:12 pm +08.
Sunshine
December has the least sunshine of the year in Serom, with an average of 7.3h of sunshine.UV index
January through December, with an average maximum UV index of 7, 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 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 7 transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Serom, Malaysia
- Average high temperature in December: 29.9°C
The warmest months (with the highest average high temperature) are April and May (31.9°C).
The month with the lowest average high temperature is December (29.9°C).
- Average low temperature in December: 24.1°C
The month with the highest average low temperature is May (25.3°C).
The coldest month (with the lowest average low temperature) is February (23.5°C).
Average pressure in December
Serom, Malaysia
- Average pressure in December: 1009.4mbar
The months with the highest atmospheric pressure are January and February (1010.3mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in December
Serom, Malaysia
- Average wind speed in December: 7.4km/h
The windiest month (with the highest average wind speed) is January (8.4km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in December
Serom, 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 (75%).
Average rainfall in December
Serom, Malaysia
- Average rainfall in December: 155mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is September (63mm).
Average rainfall days in December
Serom, Malaysia
- Average rainfall days in December: 26.5 days
The month with the highest number of rainy days is November (27.6 days).
The month with the least rainy days is February (18.3 days).
Average daylight in December /
Average sunshine in December
Serom, 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: 7h and 18min
The months with the most sunshine are August and September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).
Average sunshine days in December
Serom, Malaysia
- Average sunshine days in December: 3.8 days
The month with the most sunshine days is February (8.5 days).
The month with the least sunshine days is November (1.5 days).
Average UV index in December
Serom, 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).
Average cloud cover in December
Serom, Malaysia
- Average cloud cover in December: 48
The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in December
Serom, Malaysia
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).





