Gili Trawangan weather in August

In August, Gili Trawangan sees average daytime highs of 27°C and overnight lows near 25°C, with 10 mm of rain across 3.5 wet days and about 11.7 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 63% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Gili Trawangan's 1st-clearest and 3rd-windiest month. For the whole year in context, see Gili Trawangan's year-round climate.

Daytime high
27°
12th warmest
Overnight low
25°
1st coldest
Rainfall
10 mm
3.5 wet days
Daylight
11 h 42 min
6:28 AM – 6:12 PM
Cloud cover
37%
1st clearest
Wind
14 km/h
3rd windiest
Solar energy
6.2 kWh/m²
Travel score
7.9
out of 10

Gili Trawangan is town.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Gili Trawangan reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72725
82725
92725
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725
312725

How August really feels in Gili Trawangan

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Gili Trawangan weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°25726.312.43.8
Feb27° / 26°23225.112.33.7
Mar28° / 26°19524.712.14.2
Apr28° / 27°11319.811.84.7
May28° / 27°4411.411.66.0
Jun28° / 26°317.511.57.0
Jul27° / 25°225.511.67.5
Aug27° / 25°103.511.77.9
Sep27° / 25°133.1127.8
Oct28° / 26°338.212.26.8
Nov28° / 27°10518.112.44.9
Dec28° / 26°23225.412.54.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37624
47624
57624
67624
77624
87624
97624
107624
117624
127624
137624
147624
157624
167723
177723
187723
197822
207822
217921
227921
237921
248020
258020
268020
278020
288020
298020
307921
318020

Chance of precipitation in August

Any precipitation

Gili Trawangan gets around 10 mm of rain over 3.5 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 14% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
513
613
713
813
914
1014
1114
1214
1314
1414
1514
1614
1713
1813
1912
2011
2110
2210
239
248
258
268
277
287
297
307
316

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1139600
2139600
3139600
4139600
5239590
6238600
7238600
8237610
9237610
10236620
11235630
12235630
13234640
14134650
15133660
16133660
17133660
18133660
19132670
20132670
21131680
22130690
23130690
24129700
25127711
26126721
27125731
28124741
29023761
30021781
31020791

Wind in August

Winds average 14 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 36 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:33 AM to 6:21 AM, and sunset from 6:11 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:336:11
211.66:336:11
311.66:336:11
411.66:326:11
511.76:326:11
611.76:326:11
711.76:316:11
811.76:316:11
911.76:316:11
1011.76:306:12
1111.76:306:12
1211.76:306:12
1311.76:296:12
1411.76:296:12
1511.76:296:12
1611.76:286:12
1711.76:286:12
1811.76:276:12
1911.76:276:12
2011.86:276:12
2111.86:266:12
2211.86:266:11
2311.86:256:11
2411.86:256:11
2511.86:246:11
2611.86:246:11
2711.86:236:11
2811.86:236:11
2911.86:226:11
3011.86:226:11
3111.86:216:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.2 kWh/m².

For context, solar energy here swings from a low near 5.32 kWh/m² to a high of 7.03 kWh/m² in October across the year — August's 6.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.6Intense
Planning a trip in August

Hazard calendar for Gili Trawangan

In seasonPeak

None of Gili Trawangan's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Gili Trawangan sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Gili Trawangan's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Gili Trawangan?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.9
Sightseeing
1st-best month of the year
8.0
Beach & pool
2nd-best month of the year

August is one of the better times to visit Gili Trawangan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gili Trawangan in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Gili Trawangan sees daytime highs around 27°C and nights near 25°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

Sea temperature near Gili Trawangan in August

The nearest coast averages about 28°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug28Warm
Sep28Warm
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Gili Trawangan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gili Trawangan peaks around March 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 14Jun 18UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec13Extreme

Air quality in Gili Trawangan in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Gili Trawangan is worst in October — around 22 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (April, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 2022 µg/m³Apr 1613 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May14Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep18Moderate
Oct22Moderate
Nov21Moderate
Dec15Moderate
Location & terrain

Where is Gili Trawangan?

Gili Trawangan sits at 8.3°S, 116.0°E, 0 m above sea level, in Indonesia. The nearest listed city is Lombok, 27 km away.

Topography around Gili Trawangan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gili Trawangan.

Within 3 km, the terrain around Gili Trawangan has only modest variations in elevation — a maximum elevation change of 75 m around an average of 1 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 853 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,635 m.

The land around Gili Trawangan is covered by water (84%) within 3 km, water (81%) within 16 km, and water (63%) and trees (27%) within 80 km.

3 km
75 m
16 km
853 m
80 km
3,635 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Lombok 27 km · Praya 47 km · Amlapura 48 km · Amlapura city 49 km · Bedugul 50 km · Selong 64 km · Klungkung 73 km · Ubud 87 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gili Trawangan (-8.349°, 116.037°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).