December weather forecastRuteng, Indonesia
December
Weather in December
December, the first month of the summer in Ruteng, is still a tropical month, with an average temperature varying between 30°C (86°F) and 25.6°C (78.1°F).Temperature
December notes an average high-temperature of a still hot 30°C (86°F), subtly differing from November's 30.5°C (86.9°F). An average temperature of 25.6°C (78.1°F) is logged during the nights of December, a small step down from daytime highs.Heat index
In December, the average heat index is calculated to be a torrid 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Ruteng, the average relative humidity in December is 78%.Rainfall
In Ruteng, in December, during 28.5 rainfall days, 156mm (6.14") of precipitation is typically accumulated. Throughout the year, there are 191.2 rainfall days, and 892mm (35.12") of precipitation is accumulated.Daylight
With an average of 12h and 36min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:29 and sunset at 18:04. On the last day of December, sunrise is at 05:42 and sunset at 18:19 WITA.
Sunshine
In December, the average sunshine is 10.4h.UV index
The months with the highest UV index are January through June, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 7 in December translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ruteng, Indonesia
- Average high temperature in December: 30°C
The warmest months (with the highest average high temperature) are October and November (30.5°C).
The month with the lowest average high temperature is July (27.3°C).
- Average low temperature in December: 25.6°C
The month with the highest average low temperature is December (25.6°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure in December
Ruteng, Indonesia
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is August (1012.5mbar).
The months with the lowest atmospheric pressure are January and December (1007.9mbar).
Average wind speed in December
Ruteng, Indonesia
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is July (16.5km/h).
The calmest month (with the lowest average wind speed) is March (8.2km/h).
Average humidity in December
Ruteng, Indonesia
- Average humidity in December: 78%
The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Ruteng, Indonesia
- Average rainfall in December: 156mm
The wettest month (with the highest rainfall) is January (181mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Ruteng, Indonesia
- Average rainfall days in December: 28.5 days
The month with the highest number of rainy days is January (29.7 days).
The month with the least rainy days is August (1.9 days).
Average daylight in December /
Average sunshine in December
Ruteng, Indonesia
- Average daylight in December: 12h and 36min
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: 10h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).
Average sunshine days in December
Ruteng, Indonesia
- Average sunshine days in December: 0.6 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is January (0.3 days).
Average UV index in December
Ruteng, Indonesia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).
Average cloud cover in December
Ruteng, Indonesia
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 13).
Average visibility in December
Ruteng, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
