January weather forecast
Gili Trawangan, Indonesia

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Weather in January

January in Gili Trawangan, Indonesia, starts the year with a mix of rainfall and humidity. Shareholders anticipate the shift from January's rainy conditions to February's slightly less damp atmosphere. Notably, January has the highest rainfall for the year with 166mm (6.54") of precipitation. This weather contributes to Gili Trawangan's lush green landscape and rich biodiversity. Prepare for the occasional rainfall by packing suitable weather-resistant gear when visiting during this month.

Temperature

Gili Trawangan marks the start of January with an average high-temperature of a still warm 28.1°C (82.6°F), hinting at a slight fluctuation from December's 28.5°C (83.3°F). January notes an average low temperature of 25.9°C (78.6°F), subtly down from the daytime highs.

Heat index

January's heat index is calculated to be a hot 32°C (89.6°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

January, February, May through July and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Gili Trawangan, in January, it is raining for 28.1 days, with typically 166mm (6.54") of accumulated precipitation. Throughout the year, there are 251.2 rainfall days, and 1214mm (47.8") of precipitation is accumulated.

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: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In Gili Trawangan, the average length of the day in January is 12h and 33min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:37. On the last day of January, sunrise is at 06:14 and sunset at 18:43 WITA.

Sunshine

The month with the least sunshine is January, with an average of 7.9h of sunshine.

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 in Gili Trawangan are January 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 unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 7 in January translates into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. 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. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.

Frequently asked questions

How hot is January?

Gili Trawangan in January has an average high-temperature of 28.1°C (82.6°F) and an average low-temperature of 25.9°C (78.6°F). In January, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 32°C (89.6°F).

What is the most humid month?

January, February, May through July and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in January?

In January, the average relative humidity is 79%.

How much does it rain in January?

In Gili Trawangan, in January, it is raining for 28.1 days, with typically 166mm (6.54") of accumulated precipitation.

What months are the sea warmest?

January through April, November and December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

What is the water temperature in January?

In January, the average sea temperature is 29°C (84.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Gili Trawangan have in January?

In January, the average day length is 12h and 33min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 06:00 and sunset at 18:37. On the last day of the month, sunrise is at 06:14 and sunset at 18:43 WITA.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 7.9h of sunshine.

How many hours of sunshine does Gili Trawangan have in January?

In January, the average sunshine duration is 7.9h.

When is the highest UV index in Gili Trawangan?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

What are the months with the lowest UV index?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

How high is the UV index in January?

The average daily maximum UV index in January is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in January
Gili Trawangan, Indonesia

Average temperature in January - Gili Trawangan, Indonesia
  • Average high temperature in January: 28.1°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 January: 25.9°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 January
Gili Trawangan, Indonesia

Average pressure in January - Gili Trawangan, Indonesia
  • Average pressure in January: 1008.5mbar

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 January
Gili Trawangan, Indonesia

Average wind speed in January - Gili Trawangan, Indonesia
  • Average wind speed in January: 11.4km/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 January
Gili Trawangan, Indonesia

Average humidity in January - Gili Trawangan, Indonesia
  • Average humidity in January: 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 January
Gili Trawangan, Indonesia

Average rainfall in January - Gili Trawangan, Indonesia
  • Average rainfall in January: 166mm

The wettest month (with the highest rainfall) is December (208mm).
The driest month (with the least rainfall) is August (15mm).

Average rainfall days in January
Gili Trawangan, Indonesia

Average rainfall days in January - Gili Trawangan, Indonesia
  • Average rainfall days in January: 28.1 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 January
Gili Trawangan, Indonesia

Average sea temperature in January - Gili Trawangan, Indonesia
  • Average sea temperature in January: 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 January /
Average sunshine in January
Gili Trawangan, Indonesia

Average daylight in January / Average sunshine in January - Gili Trawangan, Indonesia
  • Average daylight in January: 12h and 3min

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 January: 7h and 5min

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 January
Gili Trawangan, Indonesia

Average sunshine days in January - Gili Trawangan, Indonesia
  • Average sunshine days in January: 2.3 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 January
Gili Trawangan, Indonesia

Average UV index in January - Gili Trawangan, Indonesia
  • Average UV index in January: 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 January
Gili Trawangan, Indonesia

Average cloud cover in January - Gili Trawangan, Indonesia
  • Average cloud cover in January: 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 January
Gili Trawangan, Indonesia

Average visibility in January - Gili Trawangan, Indonesia
  • Average visibility in January: 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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