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
With the start of December, Sedayu measures an average high-temperature of a still moderately hot 28.9°C (84°F), not significantly differing from November's 29.1°C (84.4°F). In Sedayu, December's low temperatures hover around a still moderately hot 24.2°C (75.6°F), reflecting a minor decrease from the daytime highs.Heat index
In December, the average heat index is evaluated at a tropical 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In December, the average relative humidity is 80%.Rainfall
In Sedayu, in December, during 23.2 rainfall days, 94mm (3.7") of precipitation is typically accumulated. In Sedayu, during the entire year, the rain falls for 246 days and collects up to 907mm (35.71") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 36min of daylight.On the first day of December, sunrise is at 05:11 and sunset at 17:44. On the last day of the month, sunrise is at 05:24 and sunset at 17:59 WIB.
Sunshine
December has the least sunshine of the year in Sedayu, with an average of 7.4h of sunshine.UV index
The months with the highest UV index in Sedayu are February through May, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 during December leads to these advisories:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in December?
What is the average humidity in December?
How much does it rain in December?
When are the longest days?
How many hours of daylight does Sedayu have in December?
When is the sunrise / sunset in December in Sedayu?
What is the month with the least sunshine?
How many hours of sunshine does Sedayu have in December?
What are the months with the highest UV index?
What is the UV index reading in December?
Average temperature in December
Sedayu, Indonesia
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in December: 24.2°C
The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).
Average pressure in December
Sedayu, Indonesia
- Average pressure in December: 1009.1mbar
The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Sedayu, Indonesia
- Average wind speed in December: 9.7km/h
The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).
Average humidity in December
Sedayu, Indonesia
- Average humidity in December: 80%
The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).
Average rainfall in December
Sedayu, Indonesia
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in December
Sedayu, Indonesia
- Average rainfall days in December: 23.2 days
The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).
Average daylight in December /
Average sunshine in December
Sedayu, 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 42min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Sedayu, Indonesia
- Average sunshine days in December: 5.3 days
The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).
Average UV index in December
Sedayu, Indonesia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are January, June, July and August (UV index 6).
Average cloud cover in December
Sedayu, Indonesia
- Average cloud cover in December: 49
The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in December
Sedayu, 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).
Sedayu, Indonesia
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