Climate guide for Mornington Peninsula, Australia

Mornington Peninsula in August

Weather, crowds & best time to visit

How to read the score (0–10)
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August · Australia

Best time to visit Mornington Peninsula in August Weather, crowds & prices

Weather in Mornington Peninsula in August

Average temperature 12°C, 60 mm of rain, about 4 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

3.1/10

Ranked #9 of 12 months

Full year for Mornington Peninsula
Avg temp
12°C
Rainfall
60 mm
Humidity
79%
Days with 6h+ sun
4
Crowd Density
Moderate Crowds
Average Expenses
$ · Budget Friendly ($)

August in Mornington Peninsula scores 3.1/10 for beach and coastal travel - ranked #9 of 12. Expect around 12°C, 60 mm of rain, and roughly 4 days with 6+ hours of sunshine this month.

Mornington Peninsula mixes bay beaches, hot springs, and wine trails within Melbourne’s weekend orbit. Best window: November through March in the Southern Hemisphere.

August in Mornington Peninsula: expect compromises

Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 60 mm of rain this month — a flexible day or two helps — with about 4 days with 6+ hours of sunshine and 10.5 hours of daylight to work around it.

That is 3.1/10 on the same scale — 9th of 12 months, versus 7.9/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Budget for low-season pricing, and crowds are moderate.

If your dates are flexible, February is materially better in Mornington Peninsula — 4.8 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Mornington Peninsula in August?
In August, Mornington Peninsula averages 12°C, 60 mm of rain, and about 4 days with 6+ hours of sunshine. Its climate-comfort score is 3.1/10.
Is August a good time to visit Mornington Peninsula?
August earns a 3.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Mornington Peninsula in August?
Expect about 60 mm of rain in August. Average humidity is 79% and there are about 4 days with 6+ hours of sunshine.

Curated in Mornington Peninsula

Tickets & experiences

Things to do in Mornington Peninsula

Mornington Peninsula, Australia. Live activities and tours from GetYourGuide, matched to this destination.