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
Weather in December
Temperature
In December, Gili Trawangan experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 28.5°C (83.3°F), closely mirroring the climate in November. Gili Trawangan, during December nights, experiences a subtle shift to a low average of 26.3°C (79.3°F) from the day's heat.Heat index
For December, the heat index is appraised at a hot 33°C (91.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Always consider that heat index estimations are for light winds and places in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
January, February, May through July and December, with an average relative humidity of 79%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 27.5 days and typically aggregates up to 208mm (8.19") of precipitation.Sea temperature
The months with the warmest seawater are January through April, November and December, with an average sea temperature of 29°C (84.2°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.
Daylight
The month with the longest days is December, with an average of 12h and 36min of daylight.On the first day of December, sunrise is at 05:47 and sunset at 18:22. On the last day of the month, sunrise is at 06:00 and sunset at 18:36 WITA.
Sunshine
In December, the average sunshine is 9.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 7 in December transforms into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during December?
What are the most humid months?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
What months are the sea warmest?
What is the sea water temperature in December?
When are the longest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the highest UV index?
What is the month with the lowest UV index?
How high is the UV index 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).
Gili Trawangan, Indonesia
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