Perth in Summer — Weather & What to Expect
Summer in Perth (December, January, February) averages daytime highs of 29.8°C and lows of 18.8°C, with around 30.9mm of rain across the season (3 rainy days in total). It includes some of the best months of the year to visit (December, January, February).
In the southern hemisphere, summer in Perth covers December, January, February.
Summer in Perth month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| December | 28.7°C | 17.9°C | 6.0mm | 1 | 10/10 |
| January | 30.2°C | 19.2°C | 1.7mm | 0 | 10/10 |
| February | 30.4°C | 19.3°C | 23.2mm | 2 | 10/10 |
What to pack for Perth in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Lightweight, breathable clothing
- High SPF sunscreen
- Sunglasses
- Sun hat
- Reusable water bottle
Frequently Asked Questions
Is summer a good time to visit Perth?
Summer in Perth rates around 10/10 — excellent time to visit. Average highs are 29.8°C with 30.9mm of rain across the season.
How hot is Perth in summer?
Daytime highs average 29.8°C (85.6°F) across December, January, February, with nights around 18.8°C.
What months are summer in Perth?
Perth is in the southern hemisphere, so summer covers December, January, February.
See also: best time to visit Perth · Perth annual climate · Perth in spring · Perth in autumn · Perth in winter
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Once you know what summer in Perth looks like, find out exactly what to pack for Perth at 247PackingList. For currency, language and country facts, see the Australia guide at 247CountryInfo.
Summer in Perth — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Australia at 247Sizing before you shop.
More summer travel essentials
Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.