December weather forecastTonjong, Indonesia
December
Weather in December
December, the first month of the summer in Tonjong, is also a hot month, with an average temperature fluctuating between 30°C (86°F) and 23.3°C (73.9°F).Temperature
December's arrival shows an average high-temperature of a still hot 30°C (86°F), hardly different from the previous month. An average minimum temperature of 23.3°C (73.9°F) marks the month of December.Heat index
The average heat index in December is computed to be a fiery hot 38°C (100.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In Tonjong, the average relative humidity in December is 80%.Rainfall
The month with the most rainfall is December, when the rain falls for 27.1 days and typically aggregates up to 312mm (12.28") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:17 and sunset at 17:48. On the last day of December, sunrise is at 05:31 and sunset at 18:03 WIB.
Sunshine
December has the least sunshine of the year, with an average of 7.5h of sunshine.UV index
February through June, September, October and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during December translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tonjong, Indonesia
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is July (28.9°C).
- Average low temperature in December: 23.3°C
The months with the highest average low temperature are January and December (23.3°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).
Average pressure in December
Tonjong, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Tonjong, Indonesia
- Average wind speed in December: 5.8km/h
The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).
Average humidity in December
Tonjong, Indonesia
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in December
Tonjong, Indonesia
- Average rainfall in December: 312mm
The wettest month (with the highest rainfall) is December (312mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in December
Tonjong, Indonesia
- Average rainfall days in December: 27.1 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (10.3 days).
Average daylight in December /
Average sunshine in December
Tonjong, 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: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in December
Tonjong, Indonesia
- Average sunshine days in December: 1.7 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (0.8 days).
Average UV index in December
Tonjong, Indonesia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, September, October and December (UV index 7).
The months with the lowest UV index are January, July, August and November (UV index 6).
Average cloud cover in December
Tonjong, Indonesia
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Tonjong, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is February (8km).
