December weather forecastKarti, Indonesia
December weather forecast for Karti, Indonesia: The month with the most rainfall in Karti is December, when the rain falls for 25.5 days and typically aggregates up to 146mm (5.75") of precipitation. December, the first month of the summer in Karti, is still a hot month, with an average temperature varying between 25°C (77°F) and 30.5°C (86.9°F).
December
Weather in December
December, the first month of the summer in Karti, is still a hot month, with an average temperature varying between 25°C (77°F) and 30.5°C (86.9°F).Temperature
Karti's shift from November to December is accompanied by an average high-temperature of a still hot 30.5°C (86.9°F), a slight deviation from 31.3°C (88.3°F). During December, an average low-temperature of 25°C (77°F) is observed.Heat index
The heat index value during December is appraised at a sweltering 38°C (100.4°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. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In December, the average relative humidity in Karti is 75%.Rainfall
December is the month with the most rainfall. Rain falls for 25.5 days and accumulates 146mm (5.75") of precipitation.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:20 and sunset at 17:49. On the last day of December, sunrise is at 05:34 and sunset at 18:04 WIB.
Sunshine
The month with the least sunshine is December, with an average of 8.2h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 7 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Average temperature in December
Karti, Indonesia
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is October (31.8°C).
The month with the lowest average high temperature is February (29.4°C).
- Average low temperature in December: 25°C
The months with the highest average low temperature are November and December (25°C).
The coldest month (with the lowest average low temperature) is August (22.2°C).
Average pressure in December
Karti, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Karti, Indonesia
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is August (12.7km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).
Average humidity in December
Karti, Indonesia
- Average humidity in December: 75%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in December
Karti, Indonesia
- Average rainfall in December: 146mm
The wettest month (with the highest rainfall) is December (146mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Karti, Indonesia
- Average rainfall days in December: 25.5 days
The month with the highest number of rainy days is December (25.5 days).
The month with the least rainy days is August (6.5 days).
Average daylight in December /
Average sunshine in December
Karti, Indonesia
- Average daylight in December: 12h and 30min
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 12min
The months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).
Average sunshine days in December
Karti, Indonesia
- Average sunshine days in December: 3.5 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in December
Karti, 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
Karti, Indonesia
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Karti, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





