December weather forecastJulau, Malaysia
December
Weather in December
December, the first month of the winter in Julau, is also a hot month, with an average temperature varying between 30.7°C (87.3°F) and 22.5°C (72.5°F).Temperature
December's weather records an average high-temperature of a still hot 30.7°C (87.3°F), showing little deviation from November. Throughout December, Julau experiences a low-temperature average of 22.5°C (72.5°F).Heat index
December's mean heat index is computed to be a blistering 43°C (109.4°F). Stay alert: Heat cramps and heat exhaustion are expected. Heatstroke is a likely outcome of ongoing activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
January, February and December, with an average relative humidity of 88%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 23.7 days and typically aggregates up to 181mm (7.13") of precipitation.Daylight
The month with the shortest days is December, with an average of 12h and 0min of daylight.On the first day of the month, sunrise is at 6:20 am and sunset at 6:21 pm. On the last day of December, sunrise is at 6:35 am and sunset at 6:35 pm +08.
Sunshine
In December, the average sunshine is 6.3h.UV index
January through March, May, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Julau, Malaysia
- Average high temperature in December: 30.7°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (30.4°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is May (22.8°C).
The coldest months (with the lowest average low temperature) are February and July (22°C).
Average pressure in December
Julau, 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
Julau, Malaysia
- Average wind speed in December: 3.3km/h
The windiest month (with the highest average wind speed) is January (3.6km/h).
The calmest month (with the lowest average wind speed) is May (3.1km/h).
Average humidity in December
Julau, Malaysia
- Average humidity in December: 88%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Julau, Malaysia
- Average rainfall in December: 181mm
The wettest month (with the highest rainfall) is December (181mm).
The driest month (with the least rainfall) is September (66mm).
Average rainfall days in December
Julau, Malaysia
- Average rainfall days in December: 23.7 days
The month with the highest number of rainy days is March (25.4 days).
The month with the least rainy days is July (18.6 days).
Average daylight in December /
Average sunshine in December
Julau, 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 18min
The month with the most sunshine is August (Average sunshine: 8h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Julau, Malaysia
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is July (11.1 days).
The month with the least sunshine days is February (3.1 days).
Average UV index in December
Julau, Malaysia
- Average UV index in December: 6
The months with the highest UV index are April, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, May, October, November and December (UV index 6).
Average cloud cover in December
Julau, Malaysia
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 45).
Average visibility in December
Julau, Malaysia
- Average visibility in December: 6km
The months with the highest visibility are August and September (8km).
The months with the lowest visibility are January, February, March, April, November and December (6km).





