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Contents
- The climate of Gili Trawangan
- The best time to visit Gili Trawangan
- The worst time to visit Gili Trawangan
- Spring weather in Gili Trawangan
- Summer weather in Gili Trawangan
- Autumn weather in Gili Trawangan
- Winter weather in Gili Trawangan
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Gili Trawangan
Gili Trawangan, located in Indonesia, experiences a predominant Tropical wet and dry climate, also known as savanna climate, according to the Köppen climate classification. The island has a primarily tropical climate, characterized by consistent warm temperatures and high humidity throughout the year. The temperature fluctuates mildly between the high temperature range from 27°C (80.6°F) to 28.9°C (84°F) and a low temperature range from 23.7°C (74.7°F) to 26.3°C (79.3°F).
Humidity levels remain relatively stable across the calendar, with slight changes between 78% and 79% relative humidity. In terms of precipitation, the island exhibits a significant seasonal contrast, with substantial rainfall from December to March ranging from 141mm (5.55") to 208mm (8.19") and a drier period from June to September when rainfall measures between 15mm (0.59") to 37mm (1.46"). Although rainfall varies, the number of rainy days doesn't change drastically, with a minimum of 12.2 days in August and a maximum of 28.1 days in January.
Notably, in Gili Trawangan, a consistent sea temperature ranging from 27°C (80.6°F) to 29°C (84.2°F) and moderate wind speed varying from 7.8km/h (4.8mph) to 13.6km/h (8.5mph) provides a soothing tropical experience. Additionally, the island experiences ample sunshine hours, with a rise from 7.9 hours in January to a peak of 9.6 hours towards April and September, before it descends back to January levels.
Observing pressure and cloudiness, the tropics' typical atmospheric pressure readings oscillate slightly from 1008.3mb to 1011.9mb, while cloud cover percentage is the least at 22% during September and the most at 44% in January and December.
Humidity levels remain relatively stable across the calendar, with slight changes between 78% and 79% relative humidity. In terms of precipitation, the island exhibits a significant seasonal contrast, with substantial rainfall from December to March ranging from 141mm (5.55") to 208mm (8.19") and a drier period from June to September when rainfall measures between 15mm (0.59") to 37mm (1.46"). Although rainfall varies, the number of rainy days doesn't change drastically, with a minimum of 12.2 days in August and a maximum of 28.1 days in January.
Notably, in Gili Trawangan, a consistent sea temperature ranging from 27°C (80.6°F) to 29°C (84.2°F) and moderate wind speed varying from 7.8km/h (4.8mph) to 13.6km/h (8.5mph) provides a soothing tropical experience. Additionally, the island experiences ample sunshine hours, with a rise from 7.9 hours in January to a peak of 9.6 hours towards April and September, before it descends back to January levels.
Observing pressure and cloudiness, the tropics' typical atmospheric pressure readings oscillate slightly from 1008.3mb to 1011.9mb, while cloud cover percentage is the least at 22% during September and the most at 44% in January and December.
The best time to visit Gili Trawangan
Given the tropical climate, temperature variances are not a significant concern on Gili Trawangan. Therefore, the decision on the best time to visit primarily rests on the rainfall parameter. The months from June to September offer the driest window with the rainfall levels dropping as low as 15mm (0.59") in August. This period guarantees the perfect beach weather with uninterrupted sunshine. However, fewer clouds also mean higher UV index making sun protection essential. Besides, the sea temperatures stay appealingly warm around 27°C (80.6°F) to 28°C (82.4°F).
The worst time to visit Gili Trawangan
On the contrary, the months from December to March can be regarded as less preferable for visits due to heightened rainfall levels. In December, the precipitation reaches a peak of 208mm (8.19") and the cloud coverage ascends to 44%, indicating gloomier skies and fewer sunshine hours. Visitors during these months might have to face rain disruptions in their plans more frequently.
Spring weather in Gili Trawangan
In Gili Trawangan, spring months are characterized by mild temperatures ranging from 28.4°C (83.1°F) to 28.6°C (83.5°F) in high and 25.9°C (78.6°F) to 25.8°C (78.4°F) in low. Though rainfall exhibits a reducing trend, it can still reach up to 141mm (5.55") in April. This period marks the transition from wetter to drier months with reduced cloud coverage and increased sunshine hours of up to 9.2 hours towards May. However, the UV index stays at a constant level of 7, indicating the necessity for skin protection.
Summer weather in Gili Trawangan
Summer on the island ranges from June to August and brings forth the driest and sunniest conditions. Peak highs hover around 27°C (80.6°F) to 28°C (82.4°F), with minimum lows between 23.8°C (74.8°F) and 24.8°C (76.6°F). Rainfall is the lowest in these months, bottoming out at 15mm (0.59") in August, and the number of rainy days is also the minimum, recording 12.2 days in August. The sea temperature remains warm at around 27°C (80.6°F) to 28°C (82.4°F), and the sunshine hours surge up to a generous 9.4 hours.
Autumn weather in Gili Trawangan
Autumn in Gili Trawangan witnesses an escalation in rainfall from 27mm (1.06") in September to 149mm (5.87") in November. However, temperature and sea temperatures remain inviting between 27°C (80.6°F) to 28.6°C (83.5°F) and 27°C (80.6°F) to 29°C (84.2°F) respectively. Moreover, the sunshine hours take a significant leap from 9.6 hours in September to 11 hours in November, offering ample daytime for outdoor activities.
Winter weather in Gili Trawangan
The winter season in Gili Trawangan is characterized by the increase in rainfall reaching its zenith of 208mm (8.19") in December. The temperatures maintain their tropical charm with highs around 28.5°C (83.3°F) to 28.9°C (84°F) and lows nearing 26.3°C (79.3°F). The sea temperature remains consistent at 29°C (84.2°F), and the sunshine hours make a considerable reduction, settling at 7.9 hours. These settings perfectly render the island an ideal winter getaway despite the relatively higher rainfall.
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. Weather in January »
Weather in February
February's weather in Gili Trawangan, Indonesia, develops on the trends set in January with a gradual decrease in rainfall. The reduction in precipitation from 166mm (6.54") in January to 138mm (5.43") in February makes a difference, even though the humidity remains relatively consistent. Weather in February »
Weather in March
In Gili Trawangan, Indonesia, March brings about minor progressions in the local weather trend. In an interesting shift, March records an increase in rainfall, with the volume reaching 179mm (7.05"), a considerable difference from the preceding month. Weather in March »
Weather in April
April's weather in Gili Trawangan, Indonesia, leans towards a more damp setup with a steady continuation of the previous month's climatic patterns. April’s most noticeable climatic characteristic is the obvious decrease in rainfall, going down from 179mm (7.05") in March to 141mm (5.55"). Weather in April »
Weather in May
May in Gili Trawangan, Indonesia, greets its inhabitants and visitors with a pleasant surprise, shifting further from April's weather conditions. The remarkable decline in precipitation marks May, with rainfall plunging from 141mm (5.55") to 77mm (3.03"). Weather in May »
Weather in June
The month of June sees further improvements in Gili Trawangan, Indonesia's weather with progressive changes from May's conditions. The outdoors welcomes more activities as rainfall continues to decrease. Tourists during June can partake in water sports without worrying about sudden showers. Weather in June »
Weather in July
July's weather in Gili Trawangan, Indonesia, serves a peak in the dry season trend that commenced in May. In this month, rainfall reaches its lowest point, recording a mere 27mm (1.06"). The outstanding variety of vibrant nightlife on the island complements the grandeur of the dry season. Weather in July »
Weather in August
August continues the weather regime in Gili Trawangan, Indonesia, set forth in the previous months. Its weather mirrors that of July, with small variations in the overall weather pattern. The outdoor-friendly conditions stretch into the night, creating a welcoming environment for late-night beach activities. Weather in August »
Weather in September
In Gili Trawangan, Indonesia, September extends the preceding months' climatic trends with minor alterations. Tropical vegetation flourishes under these conditions, and the waters around the island teem with marine life. The amiable weather hosts several outdoor ventures and encourages tourism. Weather in September »
Weather in October
October's weather in Gili Trawangan, Indonesia, introduces a gradual transition from the dry season to the wet season. A resurgence of rainfall begins in October, but this does not significantly affect outdoor activities. The island undergoes a transformation with the changing season, as the greenery becomes more vibrant. Weather in October »
Weather in November
November in Gili Trawangan, Indonesia, carries the baton of transition passed on by October. November's significant change is the sudden increase in rainfall, soaring from 50mm (1.97") in October to 149mm (5.87"). This precipitation rejuvenates the island, giving it a fresh look just before the year ends. Weather in November »
Weather in December
December concludes the year in Gili Trawangan, Indonesia, with a blend of rain and sunshine. Being synonymous with the wet season, December recognizes a peak in rainfall rising to 208mm (8.19") from the previous month's 149mm (5.87"). Weather in December »
Updated: Aug 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
January, February, May through July and December, with an average relative humidity of 79%, are most humid months.
How many days does it rain?
Throughout the year, there are 251.2 rainfall days, and 1214mm (47.8") of precipitation is accumulated.
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 month with the least sunshine?
The month with the least sunshine is January, with an average of 7.9h of sunshine.
When is the highest UV index?
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 in Gili Trawangan?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Gili Trawangan.
What is the month with the shortest days?
June has the shortest days of the year, with an average of 11h and 36min of daylight.
What months are the sea coldest?
The months with the coldest seawater are July through September, with an average sea temperature of 27°C (80.6°F).
What time of the year is the coldest?
August, with its high-temperature average of 27°C (80.6°F) and a low-temperature average of 23.7°C (74.7°F), is the coldest month.
What is the driest month?
The month with the least rainfall is August, when the rain falls for 12.2 days and typically collects 15mm (0.59") of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 77%.
What month has the most sunshine?
October has the most sunshine of the year, with an average of 11.6h of sunshine.
What is the hottest time of year?
Gili Trawangan's temperatures peak on average in November, reaching 28.9°C (84°F) at their highest and 26.3°C (79.3°F) at their lowest.
What is the wettest month?
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.
When are the longest days?
December has the longest days of the year in Gili Trawangan, with an average of 12h and 36min of daylight.
Is there Daylight Saving Time (DST)?
Gili Trawangan does not utilize Daylight Saving Time (DST). WITA timezone is used over the entire year.
Average temperature
Gili Trawangan, Indonesia
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).
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
Gili Trawangan, Indonesia
- Average pressure in January:
1008.5mbar - Average pressure in February:
1009mbar - Average pressure in March:
1009.4mbar - Average pressure in April:
1009.6mbar - Average pressure in May:
1010.1mbar - Average pressure in June:
1010.8mbar
- Average pressure in July:
1011.4mbar - Average pressure in August:
1011.9mbar - Average pressure in September:
1011.7mbar - Average pressure in October:
1010.7mbar - Average pressure in November:
1009.2mbar - 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
Gili Trawangan, Indonesia
- Average wind speed in January:
11.4km/h - Average wind speed in February:
9.6km/h - Average wind speed in March:
8.9km/h - Average wind speed in April:
7.8km/h - Average wind speed in May:
10km/h - Average wind speed in June:
11.7km/h
- Average wind speed in July:
13.6km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
10km/h - 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
Gili Trawangan, Indonesia
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
Gili Trawangan, Indonesia
- Average rainfall in January:
166mm - Average rainfall in February:
138mm - Average rainfall in March:
179mm - Average rainfall in April:
141mm - Average rainfall in May:
77mm - Average rainfall in June:
37mm
The wettest month (with the highest rainfall) is December (208mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days
Gili Trawangan, Indonesia
- Average rainfall days in January:
28.1 days - Average rainfall days in February:
24.5 days - Average rainfall days in March:
26.4 days - Average rainfall days in April:
25.8 days - Average rainfall days in May:
22.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
18 days - Average rainfall days in November:
23.9 days - 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
Gili Trawangan, Indonesia
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 / Average sunshine
Gili Trawangan, Indonesia
- Average daylight in January:
12h and 3min - Average daylight in February:
12h and 2min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 5min - Average daylight in May:
11h and 4min - Average daylight in June:
11h and 4min
- Average daylight in July:
11h and 4min - Average daylight in August:
11h and 5min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 2min - Average daylight in November:
12h and 3min - 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 January:
7h and 5min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 2min - Average sunshine in September:
9h and 4min - Average sunshine in October:
11h and 4min - Average sunshine in November:
11h and 0min - 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
Gili Trawangan, Indonesia
- Average sunshine days in January:
2.3 days - Average sunshine days in February:
2.4 days - Average sunshine days in March:
3.3 days - Average sunshine days in April:
2.6 days - Average sunshine days in May:
6 days - Average sunshine days in June:
9.6 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
12.3 days - Average sunshine days in October:
9.2 days - Average sunshine days in November:
3.6 days - 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
Gili Trawangan, Indonesia
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
Gili Trawangan, Indonesia
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
Gili Trawangan, Indonesia
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).
