Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's weather records an average high-temperature of a still hot 86.4°F, showing little deviation from November. December introduces a small decrease to a nighttime average of 77.4°F.Heat index
The heat index for December is computed to be a sweltering 98.6°F. Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
In December, the average relative humidity is 76%.Rainfall
In Ciaman, in December, during 27.5 rainfall days, 6.77" of precipitation is typically accumulated. Throughout the year, there are 244.1 rainfall days, and 47.8" of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 12h and 30min of daylight.On the first day of December, sunrise is at 05:19 and sunset at 17:49. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 WIB.
Sunshine
With an average of 8.4h of sunshine, December has the least sunshine of the year.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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during December?
What is the average humidity in December?
How many days does it rain in December in Ciaman?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Ciaman have in December?
What are the months with the highest UV index in Ciaman?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ciaman, Indonesia
- Average high temperature in December: 86.4°F
The warmest month (with the highest average high temperature) is October (88.5°F).
The month with the lowest average high temperature is February (84.7°F).
- Average low temperature in December: 77.4°F
The month with the highest average low temperature is December (77.4°F).
The coldest month (with the lowest average low temperature) is August (72.5°F).
Average pressure in December
Ciaman, Indonesia
- Average pressure in December: 29.8"Hg
The months with the highest atmospheric pressure are August and September (29.86"Hg).
The month with the lowest atmospheric pressure is December (29.8"Hg).
Average wind speed in December
Ciaman, Indonesia
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is August (8mph).
The calmest month (with the lowest average wind speed) is April (4.3mph).
Average humidity in December
Ciaman, Indonesia
- Average humidity in December: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Ciaman, Indonesia
- Average rainfall in December: 6.77"
The wettest month (with the highest rainfall) is February (8.15").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Ciaman, Indonesia
- Average rainfall days in December: 27.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).
Average daylight in December /
Average sunshine in December
Ciaman, Indonesia
- Average daylight in December: 12h and 3min
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: 8h and 2min
The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 24min).
Average sunshine days in December
Ciaman, Indonesia
- Average sunshine days in December: 2.7 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).
Average UV index in December
Ciaman, 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
Ciaman, Indonesia
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Ciaman, Indonesia
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
