Lombok (Gili) weather in August

August in Lombok: hot, dry, with clean air — fine if you can take sticky heat.

Updated September 2026 · climate normals from ERA5 reanalysis

Lombok🇮🇩 Indonesia · Java, Bali & Nusa Tenggara · Beach93
  1. 63Jan
  2. 66Feb
  3. 73Mar
  4. 80Apr
  5. 86May
  6. 89Jun
  7. 92Jul
  8. 93Aug
  9. 88Sep
  10. 83Oct
  11. 71Nov
  12. 61Dec

#1 of 12 months in Lombok · #79 of 1413 destinations to visit in August · comfort 93/100 (tier S)

Days
31°C
Nights
22°C
Wet days
3
Sun
10.9 h
Humidity
76%
Daylight
12 h
Lombok, Indonesia
Photo: Try Putro Utomo · Pexels

Traveller notes on Lombok in August

August sits in Lombok's drier half - June to September - and the forum describes it as mostly sunny with the occasional one-to-three-hour shower that then clears. The complication is the crossing rather than the island: July and August are when the wind picks up in the Bali-Lombok strait, and choppy seas are the other unpredictable period of the year for the Gili fast boats, alongside the wet season. August is also high season, so it is busy. Plan the boat day with some slack rather than on the last morning. The record: 30.5C days that feel like 33C, 21.7C nights, 3.2 precipitation days, 10.9 hours of sun, a 27.8C sea and a 21 kph breeze.
ChoppyStraitCrossing · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Lombok

Regulars are specific this month runs hotter than August while still usually landing just before the real rains return, part of a broader May-through-September stretch known for hot, sunny days and steady southeast trade winds. Our row backs that hot, genuinely dry read, 31.1C reading as a scorching 35C, over 22.8C nights feeling 26C, with rain light at 48.8mm across 6.4 days and humidity at 76 percent. Regulars are consistent rain here is genuinely location-dependent, the tourist-heavy south coast and Gili Islands typically seeing less of it than the west coast even on the same day. Southeast trade winds remain a steady, real feature worth planning around throughout. The record: 11.2 hours of sun, a 19.2 kph wind and AQI 46.
HotterThanAugustLocationDependentRain · September · 1 month ago · Read more on Tripadvisor ↗
June through late September is the stretch regulars recommend here: the dry season, the best surf of the year, and no strong winds to speak of - our 18.7 kph is a sea breeze rather than a problem. What they emphasise is the heat, and that the late-afternoon breeze is the relief you wait for. Our row reads 30.7C but 35C to stand in, at 80 percent humidity over 22.7C nights, with the sea at 28.7C offering no cooling at all. Rain has dropped to 41.9mm across 7.9 days. The surf worth travelling for is on the south coast rather than the small islands off the north-west. The record: 10.5 hours of sun and AQI 44.
TheAfternoonBreezeIsEarned · June · 1 month ago · Read more on Tripadvisor ↗
Forum posters are direct that January sits inside Indonesia's wet season here (which runs into late March), with rain a very frequent feature of the month - some days bring only a brief evening shower, others a genuinely torrential downpour, and posters are honest that sunny, rain-free days are the exception rather than the rule this time of year. That said, posters consistently push back on the idea that this means rain 'all day, every day' - even a wet stretch typically clears for stretches of sun, and one repeat January visitor reported plenty of sunshine and good snorkeling conditions right off the beach across two separate trips. Posters note the southern part of Lombok tends to see less rain than the north, giving flexibility for anyone building in a weather-dependent itinerary.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗
Lombok's forum calls July a favorite for the least humidity and driest conditions of the year, sunny most days with only the occasional 1-3 hour shower. Regulars trekking Mount Rinjani flag the mountain as an entirely different story — genuinely freezing overnight near the summit, 0-4°C, a sharp contrast to the warm coast below — and note late July into August brings stronger winds that can make the Gili crossing choppy.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Lombok's card on the map.

Lombok climate normals — August

Daytime high31°C / 87°F🥵 hot
Nighttime low22°C / 71°F
Feels like (high)33°C / 91°F
Sea temperature28°C / 82°F😎 warm sea
Rainfall13 mm / 0.5 in☀️ dry
Rainy days3 days
Humidity76%💦 very humid
Dew point21°C / 70°F
Sunshine10.9 h/day
Daylight11.8 h
Wind21 km/h / 13 mph
Air quality (US AQI)43🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Lombok in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdstravelers describe it as peak season, Dry season, school holidays in 4 of the markets that fill it

Sourced from traveler notes: “…e Gili fast boats, alongside the wet season. August is also high season, so it is busy. Plan the boat day with some slack rather th…” — ChoppyStraitCrossing

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Peak crowdsBusyShoulder seasonQuiet

Best months for Lombok's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherLombok's weather peaks June–August.

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Best weatherFair weatherToughest weather

What's on in Lombok in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    South coast surf season

    1 Apr – 31 Oct · usually

    Dry-season trade winds blow offshore onto the bays around Kuta and Desert Point, and the swell is at its most consistent. Also when the road down from Mataram is at its busiest.

  • Season

    Dry season

    15 Apr – 15 Oct · usuallyCrowded

    Rinjani reopens, the south-coast tracks are passable and the crossings to the Gilis are calm. The island turns brown rather than green, which is the trade-off for the settled weather.

What's on around the world in August →

Nearby, and something's on

Within 300 km of Lombok — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Lombok?

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Lombok in August — FAQ

Is August a good time to visit Lombok?
August in Lombok: hot, dry, with clean air — fine if you can take sticky heat. It ranks #1 of 12 months for Lombok on SeasonMap's comfort score (93/100).
What is the weather like in Lombok in August?
In August, Lombok averages a daily high of 30.5°C and a low of 21.7°C, with about 13.3 mm of rain over roughly 3.2 rainy days.
What is the air quality in Lombok in August?
Lombok has a mean US Air Quality Index of about 43 in August.

Within 300 km: Gili Trawangan's Turtle nesting around 1 May – 31 Oct, and Nusa Penida's Mola season around 1 Jul – 31 Oct.