Kangaroo Island (Kingscote) weather in October

October in Kangaroo Island: nice, a little rain, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Kangaroo Island🇦🇺 Australia · Southeast Australia & Tasmania · Island79
  1. 88Jan
  2. 90Feb
  3. 89Mar
  4. 81Apr
  5. 71May
  6. 64Jun
  7. 62Jul
  8. 68Aug
  9. 75Sep
  10. 79Oct
  11. 82Nov
  12. 85Dec

#7 of 12 months in Kangaroo Island · #579 of 1413 destinations to visit in October · comfort 79/100 (tier B)

Days
20°C
Nights
8°C
Wet days
6
Sun
10.8 h
Humidity
70%
Daylight
13 h
Kangaroo Island, Australia
Photo: Nate Biddle · Pexels

Traveller notes on Kangaroo Island in October

Notes from nearby Adelaide (118 km away)

Kangaroo Island doesn't have its own notes for October yet — these are about Adelaide, close enough to share the season.

October here is lovely and unreliable in the same breath - regulars tell visitors to bring jumpers and light coats as well as summer clothes, because winter can hang on into the month. Our row gives 22.5C reading as 21C over 11.8C nights that feel like 8C, and the reason is the wind: 24.8 kph, because spring here is windier than autumn. Rain has eased to 35.8mm across 6.4 days. The vineyards an hour out - the Barossa to the east, McLaren Vale to the south - are green and leafy after the winter rain and quiet in their own calendar. The sea is 17.2C, which is looking rather than swimming. The record: humidity 65 percent, 10.7 hours of sun and AQI 27.
PackForTwoSeasons · October · 1 month ago · about Adelaide · Read more on Tripadvisor ↗

Other months in Kangaroo Island

Regulars are specific this falls within the lightest-wind stretch of the year here, April through June, early-month visitors commonly reporting comfortable low-20s temperatures and plenty of sunshine even as evenings turn genuinely chilly. Our row backs that mild, genuinely dry read, 21.6C over 11.1C nights feeling 9C, with rain minimal at 22.5mm across 4.3 days and a real 20.2 kph wind. Regulars are consistent golden autumn sunsets are a real late-afternoon highlight this time of year, sea conditions staying genuinely calm and benign for anyone planning boat trips or coastal walks. This remains one of the better windows to visit overall. The sea sits at a mild 18.5C. The record: 9.1 hours of sun, humidity 70 percent and AQI 25.
LightestWindsAprilThroughJune · April · 1 month ago · Read more on Tripadvisor ↗
Spring here is warm with occasional cool days and scattered rain, mostly fine, mid-twenties with the odd hotter day - which our row backs almost exactly at 21.8C reading as 21C, with 25.8mm across 5.2 days. The wildlife and the wildflowers are both at their best now, regulars say, more out and about than any other season. The one constant they will not let a visitor forget is the wind - cool, sometimes cold, off the ocean at any time of year, with southeasterlies typical from November through March - and our column carries a real 23.4 kph average. The sea is 16.8C, cool enough to be a look-don't-swim proposition for most. The record: humidity 67 percent, 11.7 hours of sun and AQI 28.
WindflowersAndAConstantWind · November · 1 month ago · Read more on Tripadvisor ↗
Regulars set expectations downward for December and are right to: not cold by northern standards, but not especially hot either, and nobody comes here to sunbathe. Wind is the constant - cool or cold off the ocean at any time of year, with south-easterlies usual from November through March and the calmest stretch falling in April to June. Our row measures it at 23.4 kph against 24.4C days that drop to 11.9C at night, and puts the sea at 17.9C, which settles the swimming question. What the month does offer is dry, bright weather for the wildlife: 22.8mm across 3.7 days and 12.3 hours of sun inside 14.5 of daylight. The record: humidity 66 percent and AQI 27.
NobodyComesHereToSunbathe · December · 1 month ago · Read more on Tripadvisor ↗
January is the busy month and the hot one - South Australians put the worst of the heat in late January and early February, and warn that away from a sea breeze the island bakes like the mainland during a heatwave. Our row's 25.7C monthly average is the Southern Ocean doing its work most days; the heatwave is what the average hides. The advice that actually changes a trip is about wildlife, which is the reason most people come: in midsummer the animals are largely nocturnal, so dawn and dusk are when you see them and the middle of the day is when you do not. South-easterlies run November to March, which our 23 kph reflects. The record: 14.2C nights, 21.4mm across 3.4 precipitation days, 12 hours of sun, a 19.6C sea and AQI 27.
TheAnimalsComeOutAtDusk · January · 1 month ago · Read more on Tripadvisor ↗

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Kangaroo Island climate normals — October

Daytime high20°C / 68°F😎 nice
Nighttime low8°C / 47°F
Feels like (high)18°C / 64°F
Sea temperature16°C / 61°F🧊 bracing
Rainfall36 mm / 1.4 in🌦 some rain
Rainy days6 days
Humidity70%💧 humid
Dew point9°C / 48°F
Sunshine10.8 h/day
Daylight13 h
Wind24 km/h / 15 mph
Air quality (US AQI)29🍃 good

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

Crowds in Kangaroo Island in October

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.

BusySpring break in Australia, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Kangaroo Island'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).

Fair weatherKangaroo Island's weather peaks January–March, best around February.

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Best weatherFair weatherToughest weather

What's on in Kangaroo Island in October

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

  • Rule

    Seal Bay, ranger access only

    1 Jan – 31 DecBook early

    The sea lion beach can only be walked with a ranger on a timed tour, and the boardwalk above it is the alternative. Tours sell out in the holidays, so book before you take the ferry. Source ↗

  • Nature

    Spring wildflowers and orchids

    15 Aug – 31 Oct · usuallyWildflowers & blooms

    The heath along the western end flowers from late August, orchids included, and it is the part of the year the burnt country from the 2020 fires looks most like it is coming back.

What's on around the world in October →

Nearby, and something's on

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

Where is Kangaroo Island?

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Kangaroo Island in October — FAQ

Is October a good time to visit Kangaroo Island?
October in Kangaroo Island: nice, a little rain, with clean air — a great time to visit. It ranks #7 of 12 months for Kangaroo Island on SeasonMap's comfort score (79/100).
What is the weather like in Kangaroo Island in October?
In October, Kangaroo Island averages a daily high of 19.8°C and a low of 8.4°C, with about 35.5 mm of rain over roughly 6 rainy days.
What is the air quality in Kangaroo Island in October?
Kangaroo Island has a mean US Air Quality Index of about 29 in October.

Within 300 km: Adelaide's Southern right whales around 1 Jun – 15 Oct.