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
The advent of December reveals an average high-temperature of a still moderately hot 28.7°C (83.7°F), showing minimal difference from the prior month. December nighttime temperatures in Gianyar hover close to the daytime peak with an average of 23.9°C (75°F).Heat index
During December, the heat index is computed to be a very hot 35°C (95°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In December, the average relative humidity is 83%.Rainfall
December is the month with the most rainfall in Gianyar. Rain falls for 26.4 days and accumulates 147mm (5.79") 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 05:50 and sunset at 18:25. On the last day of the month, sunrise is at 06:03 and sunset at 18:40 WITA.
Sunshine
In December, the average sunshine is 8.5h.UV index
The months with the highest UV index are February through April, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 7 during December leads to these instructions:
Deflect overexposure. Sun protection is a necessity. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
How hot is December in Gianyar?
What is the average humidity in December in Gianyar?
What is the wettest month in Gianyar?
How much does it rain in Gianyar in December?
When are the longest days in Gianyar?
What is the average length of the day in December in Gianyar?
What time are sunrise and sunset in December in Gianyar?
How long on average sun shines in December in Gianyar?
What is the month with the highest UV index in Gianyar?
What is the UV index reading in December in Gianyar?
Average temperature in December
Gianyar, Indonesia
- Average high temperature in December: 28.7°C
The warmest months (with the highest average high temperature) are February, March and November (28.8°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in December: 23.9°C
The month with the highest average low temperature is December (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.2°C).
Average pressure in December
Gianyar, Indonesia
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Gianyar, Indonesia
- Average wind speed in December: 6.6km/h
The windiest month (with the highest average wind speed) is July (10.1km/h).
The calmest month (with the lowest average wind speed) is March (5.9km/h).
Average humidity in December
Gianyar, Indonesia
- Average humidity in December: 83%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are January and October (82%).
Average rainfall in December
Gianyar, Indonesia
- Average rainfall in December: 147mm
The wettest month (with the highest rainfall) is December (147mm).
The driest month (with the least rainfall) is August (23mm).
Average rainfall days in December
Gianyar, Indonesia
- Average rainfall days in December: 26.4 days
The month with the highest number of rainy days is December (26.4 days).
The month with the least rainy days is September (13.9 days).
Average daylight in December /
Average sunshine in December
Gianyar, 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: 8h and 3min
The month with the most sunshine is October (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in December
Gianyar, Indonesia
- Average sunshine days in December: 4 days
The month with the most sunshine days is October (12.9 days).
The month with the least sunshine days is December (4 days).
Average UV index in December
Gianyar, Indonesia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are January, May, June, July, August and September (UV index 6).
Average cloud cover in December
Gianyar, Indonesia
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in December
Gianyar, Indonesia
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Gianyar, Indonesia
Weather forecast for your location
2. Allow the app to use your location
