Peak Season⭐ Top Pick

Stewart Island in August 2026

Southern Lights seekers who want to combine aurora watching with a once-in-a-lifetime wild kiwi encounter. Here's everything you need to plan your August visit.

✦5/10

🌡️ Weather in Stewart Island in August

6°C

Avg Temperature

cool — mid-weight layers recommended

11h

Dark Hours / Night

Some darkness — limited aurora viewing window

🟡 Medium

Aurora Likelihood

Aurora possible on clear, dark nights — bring a camera just in case

August in Stewart Island sits at 6°C average, which is cool — mid-weight layers recommended. Expect around 11 hours of darkness each night. Pack accordingly and check the detailed packing list below.

🌌 Aurora Australis in August

🟡 Medium likelihood· Aurora score 5/10

Stewart Island has a base aurora score of 5/10. In August, aurora is possible on clear nights. With 11 hours of darkness, you have reasonable viewing windows if solar activity cooperates.

Tips for aurora chasing in August: Head away from town light pollution, check real-time Kp forecasts (apps like SpaceWeatherLive or My Aurora Forecast), and allow at least 3 nights to maximise your chances of a sighting.

🎯 What to Do in Stewart Island in August

✓Aurora Photography

✓Kayaking

✓Hiking & Trekking

✓Wildlife Watching

✓Southern Ocean Wildlife

✓Photography Tours

Activity availability depends on snow / ice conditions and local operator schedules. Always confirm in advance.

🎒 What to Pack for August in Stewart Island

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Moisture-wicking base layer, fleece jacket, and a wind/waterproof outer layer

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Sturdy waterproof footwear — conditions can turn quickly

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A warm hat and light gloves for evenings and windy conditions

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Camera with manual mode, wide-angle lens (f/2.8 or faster), and sturdy tripod

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Extra camera batteries — cold drains power fast; keep spares in an inner pocket

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Remote shutter release or intervalometer for long-exposure aurora shots

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Dry bag for electronics; most operators provide drysuits but check in advance

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Sea sickness prevention if boat trips are planned

📦 View the full interactive packing list for Stewart Island →

🏨 Accommodation in August

Peak Season

This is peak season — book accommodation 2–4 months in advance. Expect prices around $60+/night for mid-range options. Popular choices include Oban guesthouses, Backpacker lodges, Luxury eco Lodges. Aurora lodges and glass cabins sell out fastest.