December weather forecastSemplak, Indonesia
December
Weather in December
December, the first month of the summer in Semplak, is still a warm month, with an average temperature fluctuating between 23.5°C (74.3°F) and 29.7°C (85.5°F).Temperature
During December, Semplak records an average high-temperature of a warm 29.7°C (85.5°F), marking a slight divergence from November's 30.5°C (86.9°F). An average low-temperature of 23.5°C (74.3°F) marks the nights throughout December.Heat index
Throughout December, the heat index is estimated at a very hot 36°C (96.8°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 are extremely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. 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 is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In December, the average relative humidity in Semplak is 77%.Rainfall
In December, the rain falls for 28 days. Throughout December, 218mm (8.58") of precipitation is accumulated. In Semplak, during the entire year, the rain falls for 294.7 days and collects up to 1921mm (75.63") of precipitation.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year in Semplak.On the first day of the month, sunrise is at 05:27 and sunset at 17:56. On the last day of December, sunrise is at 05:41 and sunset at 18:10 WIB.
Sunshine
In Semplak, the average sunshine in December is 8.6h.UV index
The months with the lowest UV index are January, March, June, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Semplak, Indonesia
- Average high temperature in December: 29.7°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in December: 23.5°C
The months with the highest average low temperature are October, November and December (23.5°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).
Average pressure in December
Semplak, Indonesia
- Average pressure in December: 1009.3mbar
The month with the highest atmospheric pressure is September (1011.3mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in December
Semplak, Indonesia
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is January (7.9km/h).
The calmest month (with the lowest average wind speed) is July (4.9km/h).
Average humidity in December
Semplak, Indonesia
- Average humidity in December: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Semplak, Indonesia
- Average rainfall in December: 218mm
The wettest month (with the highest rainfall) is March (268mm).
The driest month (with the least rainfall) is September (65mm).
Average rainfall days in December
Semplak, Indonesia
- Average rainfall days in December: 28 days
The month with the highest number of rainy days is January (29.3 days).
The month with the least rainy days is August (16.5 days).
Average daylight in December /
Average sunshine in December
Semplak, 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 36min
The month with the most sunshine is March (Average sunshine: 9h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 42min).
Average sunshine days in December
Semplak, Indonesia
- Average sunshine days in December: 1.8 days
The month with the most sunshine days is August (11.9 days).
The month with the least sunshine days is February (0.4 days).
Average UV index in December
Semplak, Indonesia
- Average UV index in December: 6
The months with the highest UV index are February, April, May, July, August, September and October (UV index 7).
The months with the lowest UV index are January, March, June, November and December (UV index 6).
Average cloud cover in December
Semplak, Indonesia
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Semplak, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).
