December weather forecastRanjeng, Indonesia
December
Weather in December
December, the first month of the summer in Ranjeng, is still a hot month, with an average temperature fluctuating between 30.2°C (86.4°F) and 26.1°C (79°F).Temperature
The advent of December denotes an average high-temperature of a still hot 30.2°C (86.4°F), subtly different from November's 30.9°C (87.6°F). Ranjeng's nighttime average temperature in December drops marginally from the daytime highs, settling at a moderately hot 26.1°C (79°F).Heat index
For December, the heat index is calculated to be a sweltering 37°C (98.6°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in December is 74%.Rainfall
In December, the rain falls for 24.5 days. Throughout December, 100mm (3.94") of precipitation is accumulated. Throughout the year, there are 243.4 rainfall days, and 1056mm (41.57") of precipitation is accumulated.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:30 and sunset at 17:57. On the last day of December, sunrise is at 05:43 and sunset at 18:12 WIB.
Sunshine
The average sunshine in December is 8.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ranjeng, Indonesia
- Average high temperature in December: 30.2°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (29.5°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is August (25°C).
Average pressure in December
Ranjeng, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Ranjeng, Indonesia
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in December
Ranjeng, Indonesia
- Average humidity in December: 74%
The months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Ranjeng, Indonesia
- Average rainfall in December: 100mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in December
Ranjeng, Indonesia
- Average rainfall days in December: 24.5 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is August (9.8 days).
Average daylight in December /
Average sunshine in December
Ranjeng, 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 48min).
- Average sunshine in December: 8h and 54min
The month with the most sunshine is October (Average sunshine: 9h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in December
Ranjeng, Indonesia
- Average sunshine days in December: 3.6 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (1.4 days).
Average UV index in December
Ranjeng, Indonesia
- 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
Ranjeng, Indonesia
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are August, September and October (Cloud cover 26).
Average visibility in December
Ranjeng, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
