Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Barus's shift into December is marked by a subtle change to a still moderately hot 27.5°C (81.5°F) from November's 27.3°C (81.1°F) in temperature. Nighttime temperatures hover around an average low of 22.3°C (72.1°F) in December.Heat index
Throughout December, the heat index is calculated to be a tropical 31°C (87.8°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. 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.
Humidity
The average relative humidity in December in Barus is 83%.Rainfall
In December, in Barus, the rain falls for 26.1 days. Throughout December, 201mm (7.91") of precipitation is accumulated. In Barus, during the entire year, the rain falls for 285.3 days and collects up to 1792mm (70.55") of precipitation.Daylight
With an average of 12h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:15 and sunset at 18:15. On the last day of December, sunrise is at 06:29 and sunset at 18:29 WIB.
Sunshine
In Barus, the average sunshine in December is 7.5h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 6 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Barus in December?
What is the average humidity in December in Barus?
How many days does it rain in December in Barus?
What is the month with the shortest days in Barus?
How many hours of daylight does Barus have in December?
What time are sunrise and sunset in December in Barus?
How many hours of sunshine does Barus have in December?
What are the months with the highest UV index in Barus?
When is the lowest UV index in Barus?
How high is the UV index in December in Barus?
Average temperature in December
Barus, Indonesia
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is May (28.9°C).
The month with the lowest average high temperature is November (27.3°C).
- Average low temperature in December: 22.3°C
The month with the highest average low temperature is May (22.5°C).
The coldest months (with the lowest average low temperature) are July and September (21.5°C).
Average pressure in December
Barus, Indonesia
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is May (1009.9mbar).
Average wind speed in December
Barus, Indonesia
- Average wind speed in December: 4.8km/h
The windiest month (with the highest average wind speed) is June (5.6km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity in December
Barus, Indonesia
- Average humidity in December: 83%
The month with the highest relative humidity is November (84%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Barus, Indonesia
- Average rainfall in December: 201mm
The wettest month (with the highest rainfall) is November (259mm).
The driest month (with the least rainfall) is June (82mm).
Average rainfall days in December
Barus, Indonesia
- Average rainfall days in December: 26.1 days
The months with the highest number of rainy days are March and November (27.2 days).
The month with the least rainy days is June (17.2 days).
Average daylight in December /
Average sunshine in December
Barus, Indonesia
- Average daylight in December: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in December: 7h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in December
Barus, Indonesia
- Average sunshine days in December: 4.6 days
The month with the most sunshine days is June (11.4 days).
The month with the least sunshine days is November (1.8 days).
Average UV index in December
Barus, Indonesia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Barus, Indonesia
- Average cloud cover in December: 50
The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
Barus, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
Barus, Indonesia
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