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
December records an average high-temperature of a still warm 28.4°C (83.1°F), indicating a minor variation from the preceding month. Bertais, in the month of December, notes an average low temperature of 26.1°C (79°F), indicating a small decrease from the daytime highs.Heat index
December's mean heat index is estimated at a tropical 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
January through March, May through July, September and December, with an average relative humidity of 79%, are the most humid months in Bertais.Rainfall
December is the month with the most rainfall. Rain falls for 25.8 days and accumulates 165mm (6.5") of precipitation.Daylight
The month with the longest days in Bertais is December, with an average of 12h and 36min of daylight.On the first day of the month, sunrise is at 05:46 and sunset at 18:22. On the last day of December, in Bertais, sunrise is at 05:59 and sunset at 18:36 WITA.
Sunshine
In December, the average sunshine in Bertais is 9.7h.UV index
The months with the highest UV index in Bertais, Indonesia, are January through May, July through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
How hot does it get in Bertais in December?
What is the most humid month in Bertais?
What is the average humidity in December in Bertais?
What is the wettest month in Bertais?
How much does it rain in Bertais in December?
When are the longest days in Bertais?
How many hours of daylight does Bertais have in December?
When is the sunrise / sunset in December in Bertais?
How long on average sun shines in December in Bertais?
When is the highest UV index in Bertais?
What is the UV index intensity in December in Bertais?
Average temperature in December
Bertais, Indonesia
- Average high temperature in December: 28.4°C
The warmest month (with the highest average high temperature) is November (29°C).
The months with the lowest average high temperature are July and August (27.3°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is December (26.1°C).
The coldest month (with the lowest average low temperature) is August (23.2°C).
Average pressure in December
Bertais, Indonesia
- Average pressure in December: 1008.3mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in December
Bertais, Indonesia
- Average wind speed in December: 10.1km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is April (7.6km/h).
Average humidity in December
Bertais, Indonesia
- Average humidity in December: 79%
The months with the highest relative humidity are January, February, March, May, June, July, September and December (79%).
The month with the lowest relative humidity is October (77%).
Average rainfall in December
Bertais, Indonesia
- Average rainfall in December: 165mm
The wettest month (with the highest rainfall) is December (165mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Bertais, Indonesia
- Average rainfall days in December: 25.8 days
The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is August (10.3 days).
Average daylight in December /
Average sunshine in December
Bertais, Indonesia
- Average daylight in December: 12h and 4min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in December
Bertais, Indonesia
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is January (2.9 days).
Average UV index in December
Bertais, Indonesia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in December
Bertais, Indonesia
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in December
Bertais, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Bertais, Indonesia
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