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 is marked by an average high-temperature of a still warm 28.9°C (84°F), almost identical to the preceding month. December is noted for a mean low-temperature of 22.1°C (71.8°F).Heat index
Throughout December, the heat index is evaluated at a torrid 35°C (95°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In Kestalan, the average relative humidity in December is 83%.Rainfall
In Kestalan, during December, the rain falls for 29 days and regularly aggregates up to 230mm (9.06") of precipitation. In Kestalan, during the entire year, the rain falls for 276.6 days and collects up to 2049mm (80.67") of precipitation.Daylight
With an average of 12h and 36min of daylight, December has the longest days of the year.On the first day of December, 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.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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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 much does it rain in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Kestalan have in December?
What are the months with the lowest UV index in Kestalan?
How high is the UV index in December in Kestalan?
Average temperature in December
Kestalan, 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
Kestalan, Indonesia
- Average pressure in December: 1009mbar
The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Kestalan, Indonesia
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is August (9.3km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in December
Kestalan, 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
Kestalan, Indonesia
- Average rainfall in December: 230mm
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
Kestalan, 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
Kestalan, Indonesia
- Average daylight in December: 12h and 4min
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
Kestalan, 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
Kestalan, 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
Kestalan, 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
Kestalan, 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).
