December weather forecastBitung, Indonesia
December
Weather in December
December, the first month of the winter in Bitung, is also a moderately hot month, with temperature in the range of an average low of 25.3°C (77.5°F) and an average high of 29.3°C (84.7°F).Temperature
The advent of December brings an average high-temperature of a still warm 29.3°C (84.7°F), almost identical to the preceding month. Bitung's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still warm 25.3°C (77.5°F).Heat index
December's heat index is evaluated at a sweltering 36°C (96.8°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold great significance to children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In Bitung, the average relative humidity in December is 80%.Rainfall
In Bitung, in December, during 26.9 rainfall days, 135mm (5.31") of precipitation is typically accumulated. Throughout the year, there are 263.2 rainfall days, and 1159mm (45.63") of precipitation is accumulated.Sea temperature
In Bitung, in December, the average water temperature is 29.3°C (84.7°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.
Daylight
The month with the shortest days is December, with an average of 12h and 0min of daylight.On the first day of the month, sunrise is at 05:27 and sunset at 17:29. On the last day of December, sunrise is at 05:41 and sunset at 17:43 WITA.
Sunshine
In Bitung, the average sunshine in December is 8.2h.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 health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 7 transforms into these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bitung, Indonesia
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is October (30°C).
The month with the lowest average high temperature is February (28.3°C).
- Average low temperature in December: 25.3°C
The months with the highest average low temperature are May and November (25.4°C).
The coldest month (with the lowest average low temperature) is September (24.6°C).
Average pressure in December
Bitung, Indonesia
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Bitung, Indonesia
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is August (15.2km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in December
Bitung, Indonesia
- Average humidity in December: 80%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (78%).
Average rainfall in December
Bitung, Indonesia
- Average rainfall in December: 135mm
The wettest month (with the highest rainfall) is January (139mm).
The driest month (with the least rainfall) is August (40mm).
Average rainfall days in December
Bitung, Indonesia
- Average rainfall days in December: 26.9 days
The month with the highest number of rainy days is December (26.9 days).
The month with the least rainy days is August (13.3 days).
Average sea temperature in December
Bitung, Indonesia
- Average sea temperature in December: 29.3°C
The best months for swimming (with the highest average sea temperature) are May and November (29.7°C).
The coldest months (with the lowest average sea temperature) are August and September (28.3°C).
Average daylight in December /
Average sunshine in December
Bitung, 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: 8h and 12min
The months with the most sunshine are September and October (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 8h and 0min).
Average sunshine days in December
Bitung, Indonesia
- Average sunshine days in December: 2.5 days
The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is December (2.5 days).
Average UV index in December
Bitung, 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
Bitung, Indonesia
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Bitung, 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).
