December weather forecastKleben, Indonesia
December
Weather in December
The first month of the summer, December, is still a warm month in Kleben, Indonesia, with an average temperature varying between 28.5°C (83.3°F) and 21.7°C (71.1°F).Temperature
The unfolding of December shows an average high-temperature of a still moderately hot 28.5°C (83.3°F), indicating a slight variance from November's 29.5°C (85.1°F). Kleben, during the month of December, experiences an average low-temperature of 21.7°C (71.1°F).Heat index
December's heat index is calculated to be a hot 34°C (93.2°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in December is 84%.Rainfall
In Kleben, during December, the rain falls for 29.1 days and regularly aggregates up to 233mm (9.17") of precipitation. In Kleben, during the entire year, the rain falls for 277.4 days and collects up to 2063mm (81.22") 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 05:10 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.
Sunshine
In December, the average sunshine is 7.1h.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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 6 as the daily maximum UV index converts into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kleben, Indonesia
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in December: 21.7°C
The months with the highest average low temperature are January, February and November (22.3°C).
The coldest month (with the lowest average low temperature) is August (20.3°C).
Average pressure in December
Kleben, 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
Kleben, Indonesia
- Average wind speed in December: 7.7km/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
Kleben, Indonesia
- Average humidity in December: 84%
The months with the highest relative humidity are January, February, March and April (85%).
The month with the lowest relative humidity is September (74%).
Average rainfall in December
Kleben, Indonesia
- Average rainfall in December: 233mm
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
Kleben, Indonesia
- Average rainfall days in December: 29.1 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
Kleben, 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 6min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in December
Kleben, Indonesia
- Average sunshine days in December: 1 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
Kleben, 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
Kleben, 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
Kleben, 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).





