December weather forecastBatisari, Indonesia
December
Weather in December
The first month of the summer, December, is also a hot month in Batisari, Indonesia, with an average temperature ranging between max 30.2°C (86.4°F) and min 25.2°C (77.4°F).Temperature
The arrival of December marks a slight shift to an average high-temperature of a still tropical 30.2°C (86.4°F) from November's 30.9°C (87.6°F). Batisari's December nights demonstrate minimal variation from the daytime temperatures, with an average of 25.2°C (77.4°F).Heat index
Throughout December, the heat index is appraised at a fiery hot 37°C (98.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. 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 great significance to 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
The average relative humidity in December is 76%.Rainfall
In Batisari, in December, it is raining for 27.5 days, with typically 173mm (6.81") of accumulated precipitation. In Batisari, Indonesia, during the entire year, the rain falls for 244.1 days and collects up to 1216mm (47.87") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 30min of daylight.On the first day of December, sunrise is at 05:19 and sunset at 17:48. On the last day of the month, sunrise is at 05:32 and sunset at 18:03 WIB.
Sunshine
December has the least sunshine of the year, with an average of 8.3h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Batisari, Indonesia
- Average high temperature in December: 30.2°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is February (29.3°C).
- Average low temperature in December: 25.2°C
The month with the highest average low temperature is December (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).
Average pressure in December
Batisari, 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
Batisari, Indonesia
- Average wind speed in December: 7.4km/h
The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in December
Batisari, Indonesia
- Average humidity in December: 76%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Batisari, Indonesia
- Average rainfall in December: 173mm
The wettest month (with the highest rainfall) is February (207mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
Batisari, Indonesia
- Average rainfall days in December: 27.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).
Average daylight in December /
Average sunshine in December
Batisari, 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 18min
The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).
Average sunshine days in December
Batisari, Indonesia
- Average sunshine days in December: 2.7 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).
Average UV index in December
Batisari, 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
Batisari, Indonesia
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Batisari, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).





