December weather forecastBinjai, Indonesia
December
Weather in December
December, the first month of the winter in Binjai, is still a tropical month, with an average temperature varying between 30°C (86°F) and 23.9°C (75°F).Temperature
The coldest period falls in January and December, when the average high-temperature reaches 30°C (86°F).Heat index
The heat index value for December is appraised at a sweltering 38°C (100.4°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In Binjai, in December, during 30 rainfall days, 176mm (6.93") of precipitation is typically accumulated. Throughout the year, there are 326.9 rainfall days, and 1594mm (62.76") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 54min of daylight.On the first day of December, sunrise is at 06:17 and sunset at 18:12. On the last day of the month, sunrise is at 06:31 and sunset at 18:26 WIB.
Sunshine
In December, the average sunshine is 7.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. 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 threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 7 in December leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Binjai, Indonesia
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is June (32.1°C).
The months with the lowest average high temperature are January and December (30°C).
- Average low temperature in December: 23.9°C
The months with the highest average low temperature are April and May (24.6°C).
The coldest months (with the lowest average low temperature) are January and February (23.3°C).
Average pressure in December
Binjai, Indonesia
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is January (1010.7mbar).
The month with the lowest atmospheric pressure is May (1009.4mbar).
Average wind speed in December
Binjai, Indonesia
- Average wind speed in December: 6.1km/h
The windiest months (with the highest average wind speed) are January and February (6.3km/h).
The calmest months (with the lowest average wind speed) are May, September and October (5.4km/h).
Average humidity in December
Binjai, Indonesia
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is March (77%).
Average rainfall in December
Binjai, Indonesia
- Average rainfall in December: 176mm
The wettest month (with the highest rainfall) is October (183mm).
The driest month (with the least rainfall) is July (93mm).
Average rainfall days in December
Binjai, Indonesia
- Average rainfall days in December: 30 days
The month with the highest number of rainy days is December (30 days).
The month with the least rainy days is July (23.2 days).
Average daylight in December /
Average sunshine in December
Binjai, Indonesia
- Average daylight in December: 11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in December: 7h and 54min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in December
Binjai, Indonesia
- Average sunshine days in December: 0.3 days
The month with the most sunshine days is July (5.7 days).
The month with the least sunshine days is November (0 days).
Average UV index in December
Binjai, 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
Binjai, Indonesia
- Average cloud cover in December: 46
The month with the most cloud cover is November (Cloud cover 48).
The months with the least cloud cover are March, June and July (Cloud cover 33).
Average visibility in December
Binjai, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are February, March, June and August (10km).
The months with the lowest visibility are January, April, May, July, September, October, November and December (9km).
