December weather forecastWalantaka, Indonesia
December
Weather in December
December, the first month of the summer in Walantaka, is still a hot month, with an average temperature ranging between max 30.4°C (86.7°F) and min 25.8°C (78.4°F).Temperature
The arrival of December records an average high-temperature of a still tropical 30.4°C (86.7°F), closely related to the 31.2°C (88.2°F) observed in November. Walantaka reports an average low-temperature of 25.8°C (78.4°F) during the subtly cooler December nights.Heat index
For December, the heat index is calculated to be a sweltering 37°C (98.6°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
In December, the average relative humidity is 75%.Rainfall
In Walantaka, during December, the rain falls for 27.4 days and regularly aggregates up to 128mm (5.04") of precipitation. Throughout the year, in Walantaka, there are 271.6 rainfall days, and 1261mm (49.65") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 12h and 30min of daylight.On the first day of December in Walantaka, sunrise is at 05:30 and sunset at 17:57. On the last day of the month, sunrise is at 05:43 and sunset at 18:12 WIB.
Sunshine
The average sunshine in December in Walantaka, Indonesia, is 8.9h.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 in Walantaka are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Walantaka, Indonesia
- Average high temperature in December: 30.4°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in December: 25.8°C
The months with the highest average low temperature are May and November (26°C).
The coldest month (with the lowest average low temperature) is August (24.5°C).
Average pressure in December
Walantaka, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Walantaka, Indonesia
- Average wind speed in December: 11.3km/h
The windiest months (with the highest average wind speed) are January and December (11.3km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).
Average humidity in December
Walantaka, Indonesia
- Average humidity in December: 75%
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Walantaka, Indonesia
- Average rainfall in December: 128mm
The wettest months (with the highest rainfall) are January and February (180mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Walantaka, Indonesia
- Average rainfall days in December: 27.4 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (11.3 days).
Average daylight in December /
Average sunshine in December
Walantaka, 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 48min).
- Average sunshine in December: 8h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The months with the least sunshine are June and July (Average sunshine: 7h and 12min).
Average sunshine days in December
Walantaka, Indonesia
- Average sunshine days in December: 2.3 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is January (0.6 days).
Average UV index in December
Walantaka, 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
Walantaka, Indonesia
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are August and September (Cloud cover 23).
Average visibility in December
Walantaka, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





