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 sea temperature 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
December
Weather in December
Temperature
December ushers in an average high-temperature of a still warm 28.5°C (83.3°F), aligning closely with the preceding month. Gili Trawangan's December nights demonstrate minimal variation from the daytime temperatures, with an average of 26.3°C (79.3°F).Heat index
December's heat index is calculated to be a hot 33°C (91.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity are January, February, May through July and December, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall. Rain falls for 27.5 days and accumulates 208mm (8.19") of precipitation.Sea temperature
January through April, November and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.
Daylight
The month with the longest days is December, with an average of 12h and 36min of daylight.On the first day of the month, sunrise is at 05:47 and sunset at 18:22. On the last day of December, sunrise is at 06:00 and sunset at 18:36 WITA.
Sunshine
The average sunshine in December is 9.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 7 suggests this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
What are the months with the warmest sea water?
What is the water temperature in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the highest UV index in Gili Trawangan?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Gili Trawangan, Indonesia
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is November (28.9°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in December: 26.3°C
The months with the highest average low temperature are November and December (26.3°C).
The coldest month (with the lowest average low temperature) is August (23.7°C).
Average pressure in December
Gili Trawangan, Indonesia
- Average pressure in December: 1008.3mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in December
Gili Trawangan, Indonesia
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is July (13.6km/h).
The calmest month (with the lowest average wind speed) is April (7.8km/h).
Average humidity in December
Gili Trawangan, Indonesia
- Average humidity in December: 79%
The months with the highest relative humidity are January, February, May, June, July and December (79%).
The month with the lowest relative humidity is October (77%).
Average rainfall in December
Gili Trawangan, Indonesia
- Average rainfall in December: 208mm
The wettest month (with the highest rainfall) is December (208mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in December
Gili Trawangan, Indonesia
- Average rainfall days in December: 27.5 days
The month with the highest number of rainy days is January (28.1 days).
The month with the least rainy days is August (12.2 days).
Average sea temperature in December
Gili Trawangan, Indonesia
- Average sea temperature in December: 29°C
The best months for swimming (with the highest average sea temperature) are January, February, March, April, November and December (29°C).
The coldest months (with the lowest average sea temperature) are July, August and September (27°C).
Average daylight in December /
Average sunshine in December
Gili Trawangan, 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: 9h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in December
Gili Trawangan, Indonesia
- Average sunshine days in December: 2.7 days
The month with the most sunshine days is August (12.8 days).
The month with the least sunshine days is January (2.3 days).
Average UV index in December
Gili Trawangan, 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
Gili Trawangan, Indonesia
- Average cloud cover in December: 44
The months with the most cloud cover are January and December (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in December
Gili Trawangan, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
