December weather forecastSenai, Malaysia
December
Weather in December
The first month of the winter, December, is still a hot month in Senai, Malaysia, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 30°C (86°F).Temperature
In December, Senai experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 30.9°C (87.6°F) in November to a still hot 30°C (86°F). An average minimum temperature of 24°C (75.2°F) marks the month of December.Heat index
In December, the average heat index is computed to be a sweltering 39°C (102.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
December is the most humid month, with an average relative humidity of 84%.Rainfall
December is the month with the most rainfall. Rain falls for 25.3 days and accumulates 125mm (4.92") of precipitation.Daylight
December has the shortest days of the year, with an average of 12h and 0min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 6:55 pm. On the last day of December, sunrise is at 7:07 am and sunset at 7:09 pm +08.
Sunshine
The month with the least sunshine is December, with an average of 6.9h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 7 in December leads to these guidelines:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Senai, Malaysia
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is May (32.1°C).
The month with the lowest average high temperature is January (29.8°C).
- Average low temperature in December: 24°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 (23.7°C).
Average pressure in December
Senai, Malaysia
- Average pressure in December: 1009.3mbar
The month with the highest atmospheric pressure is February (1010.3mbar).
The month with the lowest atmospheric pressure is May (1008.5mbar).
Average wind speed in December
Senai, Malaysia
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest months (with the lowest average wind speed) are April and May (5km/h).
Average humidity in December
Senai, Malaysia
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Senai, Malaysia
- Average rainfall in December: 125mm
The wettest month (with the highest rainfall) is December (125mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Senai, Malaysia
- Average rainfall days in December: 25.3 days
The months with the highest number of rainy days are April and December (25.3 days).
The month with the least rainy days is February (18.4 days).
Average daylight in December /
Average sunshine in December
Senai, 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: 6h and 54min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Senai, Malaysia
- Average sunshine days in December: 4.4 days
The month with the most sunshine days is February (7.8 days).
The month with the least sunshine days is April (4 days).
Average UV index in December
Senai, 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
Senai, Malaysia
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Senai, Malaysia
- Average visibility in December: 9km
The months with the highest visibility are February, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, April, November and December (9km).





