December weather forecastCemani, Indonesia
December
Weather in December
December, the first month of the summer in Cemani, is also a moderately hot month, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 22.1°C (71.8°F).Temperature
Cemani records an average high-temperature of a still warm 28.9°C (84°F) as December arrives, nearly mirroring the previous month's climate. Throughout December, the average low-temperature dips to a pleasant 22.1°C (71.8°F).Heat index
The heat index value for December is evaluated at a very hot 35°C (95°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In December, the average relative humidity in Cemani is 83%.Rainfall
In Cemani, in December, it is raining for 29 days, with typically 229mm (9.02") of accumulated precipitation. In Cemani, during the entire year, the rain falls for 276.8 days and collects up to 2048mm (80.63") of precipitation.Daylight
December has the longest days of the year in Cemani, with an average of 12h and 36min of daylight.On the first day of December in Cemani, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.
Sunshine
January and December, with an average of 7h of sunshine, are months with the least sunshine in Cemani.UV index
The months with the lowest UV index are January through August, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 6 suggests this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cemani, Indonesia
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in December: 22.1°C
The month with the highest average low temperature is November (22.7°C).
The coldest month (with the lowest average low temperature) is August (20.3°C).
Average pressure in December
Cemani, Indonesia
- Average pressure in December: 1009mbar
The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Cemani, Indonesia
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in December
Cemani, Indonesia
- Average humidity in December: 83%
The months with the highest relative humidity are January, February, March and April (85%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in December
Cemani, Indonesia
- Average rainfall in December: 229mm
The wettest month (with the highest rainfall) is March (313mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in December
Cemani, Indonesia
- Average rainfall days in December: 29 days
The month with the highest number of rainy days is January (30.5 days).
The month with the least rainy days is August (8.9 days).
Average daylight in December /
Average sunshine in December
Cemani, Indonesia
- Average daylight in December: 12h and 36min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in December
Cemani, Indonesia
- Average sunshine days in December: 1.2 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in December
Cemani, Indonesia
- Average UV index in December: 6
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in December
Cemani, Indonesia
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Cemani, Indonesia
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).
