December weather forecastRawasan, Indonesia
December
Weather in December
The first month of the summer, December, is still a tropical month in Rawasan, Indonesia, with temperature in the range of an average high of 31.1°C (88°F) and an average low of 24.2°C (75.6°F).Temperature
The transition from November to December sees an average high-temperature of a still tropical 31.1°C (88°F), indicating a minor variance from the prior month. December's average low-temperature reading settles at a moderately hot 24.2°C (75.6°F).Heat index
In December, the heat index is appraised at a blistering 42°C (107.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 27.5 days. Throughout December, 162mm (6.38") of precipitation is accumulated. Throughout the year, there are 232.5 rainfall days, and 1054mm (41.5") of precipitation is accumulated.Sea temperature
December is the month with the warmest seawater, with an average sea temperature of 30.2°C (86.4°F).Note: When the aim is to cool down, temperatures above 30°C (86°F) in waters might not be very inviting.
Daylight
December has the longest days of the year, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:06 and sunset at 17:35. On the last day of December, in Rawasan, sunrise is at 05:19 and sunset at 17:50 WIB.
Sunshine
In Rawasan, the average sunshine in December is 7.5h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Attention! UV radiation is markedly stronger with water and sand reflections.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rawasan, Indonesia
- Average high temperature in December: 31.1°C
The warmest month (with the highest average high temperature) is October (34.2°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in December: 24.2°C
The month with the highest average low temperature is November (24.9°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).
Average pressure in December
Rawasan, Indonesia
- Average pressure in December: 1008.7mbar
The months with the highest atmospheric pressure are August and September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in December
Rawasan, Indonesia
- Average wind speed in December: 6.4km/h
The windiest month (with the highest average wind speed) is August (8.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in December
Rawasan, Indonesia
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Rawasan, Indonesia
- Average rainfall in December: 162mm
The wettest month (with the highest rainfall) is March (165mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in December
Rawasan, Indonesia
- Average rainfall days in December: 27.5 days
The month with the highest number of rainy days is December (27.5 days).
The month with the least rainy days is August (7.3 days).
Average sea temperature in December
Rawasan, Indonesia
- Average sea temperature in December: 30.2°C
The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (28.1°C).
Average daylight in December /
Average sunshine in December
Rawasan, Indonesia
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 7h and 30min
The months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in December
Rawasan, Indonesia
- Average sunshine days in December: 2.8 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is December (2.8 days).
Average UV index in December
Rawasan, Indonesia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in December
Rawasan, Indonesia
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in December
Rawasan, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February and March (8km).
