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 presence records an average high-temperature of a still warm 27.2°C (81°F), closely mirroring November's climate. Throughout the month of December, the nighttime temperature dips to an average of 21.6°C (70.9°F).Heat index
The heat index value during December is computed to be a hot 31°C (87.8°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in December is 84%.Rainfall
In December, the rain falls for 28.1 days. Throughout December, 276mm (10.87") of precipitation is accumulated. Throughout the year, there are 303.4 rainfall days, and 2799mm (110.2") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 12h and 30min of daylight.On the first day of December, sunrise is at 05:12 and sunset at 17:42. On the last day of the month, sunrise is at 05:25 and sunset at 17:57 WIB.
Sunshine
The month with the least sunshine is December, with an average of 7.1h of sunshine.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 during December translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in 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?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Jomblang have in December?
What are the months with the highest UV index?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Jomblang, Indonesia
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is October (28.1°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in December: 21.6°C
The months with the highest average low temperature are January and December (21.6°C).
The coldest month (with the lowest average low temperature) is August (19.4°C).
Average pressure in December
Jomblang, Indonesia
- Average pressure in December: 1009.1mbar
The months with the highest atmospheric pressure are August and September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Jomblang, Indonesia
- Average wind speed in December: 4.8km/h
The windiest months (with the highest average wind speed) are January, July, August and September (5.9km/h).
The calmest month (with the lowest average wind speed) is April (3.7km/h).
Average humidity in December
Jomblang, Indonesia
- Average humidity in December: 84%
The months with the highest relative humidity are February, April and May (86%).
The months with the lowest relative humidity are September and October (81%).
Average rainfall in December
Jomblang, Indonesia
- Average rainfall in December: 276mm
The wettest month (with the highest rainfall) is March (404mm).
The driest month (with the least rainfall) is August (43mm).
Average rainfall days in December
Jomblang, Indonesia
- Average rainfall days in December: 28.1 days
The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (15.8 days).
Average daylight in December /
Average sunshine in December
Jomblang, 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: 7h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Jomblang, Indonesia
- Average sunshine days in December: 1.4 days
The month with the most sunshine days is August (11.3 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in December
Jomblang, Indonesia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Jomblang, Indonesia
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Jomblang, Indonesia
- Average visibility in December: 8km
The month with the highest visibility is October (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (8km).
