December weather forecastOnyam, Indonesia
December
Weather in December
December, the first month of the summer in Onyam, is also a moderately hot month, with an average temperature ranging between max 27.8°C (82°F) and min 23.9°C (75°F).Temperature
Onyam marks the onset of December with an average high-temperature of a still warm 27.8°C (82°F), subtly divergent from November's 27.4°C (81.3°F). Onyam registers a gentle descent to an average nighttime low of 23.9°C (75°F) in December from its daytime highs.Heat index
The heat index in December is appraised at a hot 31°C (87.8°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Onyam, the average relative humidity in December is 79%.Rainfall
In Onyam, in December, during 21.4 rainfall days, 103mm (4.06") of precipitation is typically accumulated. In Onyam, during the entire year, the rain falls for 244.7 days and collects up to 1048mm (41.26") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 30min of daylight.On the first day of December in Onyam, sunrise is at 05:30 and sunset at 17:57. On the last day of the month, sunrise is at 05:43 and sunset at 18:11 WIB.
Sunshine
The average sunshine in December is 9.2h.UV index
May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 6 in December transforms into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Onyam, Indonesia
- Average high temperature in December: 27.8°C
The warmest month (with the highest average high temperature) is March (28.5°C).
The months with the lowest average high temperature are July and August (26.9°C).
- Average low temperature in December: 23.9°C
The months with the highest average low temperature are January and December (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).
Average pressure in December
Onyam, Indonesia
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in December
Onyam, Indonesia
- Average wind speed in December: 10.1km/h
The windiest month (with the highest average wind speed) is August (15.6km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).
Average humidity in December
Onyam, Indonesia
- Average humidity in December: 79%
The months with the highest relative humidity are May, June, July and November (82%).
The month with the lowest relative humidity is January (78%).
Average rainfall in December
Onyam, Indonesia
- Average rainfall in December: 103mm
The wettest month (with the highest rainfall) is May (140mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Onyam, Indonesia
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is November (23.6 days).
The month with the least rainy days is August (13.9 days).
Average daylight in December /
Average sunshine in December
Onyam, Indonesia
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in December: 9h and 12min
The month with the most sunshine is February (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).
Average sunshine days in December
Onyam, Indonesia
- Average sunshine days in December: 7.3 days
The months with the most sunshine days are January and August (7.6 days).
The month with the least sunshine days is May (4.4 days).
Average UV index in December
Onyam, Indonesia
- Average UV index in December: 6
The months with the highest UV index are January, February, March and April (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Onyam, Indonesia
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Onyam, 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).
