When to go · Perth
Perth in December
Avoid month. Listed as a month to avoid: Dec–Feb (heat over 36°C (97°F)), Jun–Aug (wet and cool).Avoid month. Listed as a month to avoid: Dec–Feb (heat over 97°F (36°C)), Jun–Aug (wet and cool).
Key facts
- Verdict
- Avoid
- Temperature
- 30°C (86°F)86°F (30°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 4
- Crowds
- High
- Australia overall
- Prices
- High
- Australia overall
Verdict
Listed as a month to avoid: Dec–Feb (heat over 36°C (97°F)), Jun–Aug (wet and cool).Listed as a month to avoid: Dec–Feb (heat over 97°F (36°C)), Jun–Aug (wet and cool).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- PerthHighs around 30 °C (86 °F), lows around 17 °C (63 °F), rain on about 4 daysHighs around 86 °F (30 °C), lows around 63 °F (17 °C), rain on about 4 days
- South-west, Australia · Perth, Margaret River, Rottnestbest weather
Dry, hot summers with afternoon sea breeze; wildflowers north of Perth Aug–Oct.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
New Year big impact
31 Dec – 1 Jan · Australia
Sydney Harbour fireworks: vantage points ticketed or claimed from morning; beds book out months ahead.
Summer school holidays big impact
Mid-Dec to late Jan · Australia
Coast, campsites, ferries and Tasmania fill; prices peak.
Christmas and Boxing Day big impact
25–26 December · Australia
Shops closed on Christmas Day; Boxing Day Test in Melbourne and the Sydney–Hobart yacht race start.
Crowds and prices
- Crowds · Australia overall
- High
- Prices · Australia overall
- High
Australia overall: Summer holidays begin; bushfire risk and heatwaves in the south, wet season in the north; book everything early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Perth, side by side.
Verdict
Dec: Avoid
Mar: Great (better)
Daytime high
Dec: 30 °C (86 °F)86 °F (30 °C)
Mar: 30 °C (86 °F)86 °F (30 °C)
Night low
Dec: 17 °C (63 °F)63 °F (17 °C)
Mar: 17 °C (63 °F)63 °F (17 °C)
Rain days
Dec: 4
Mar: 4
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 3
Mar: 1
December: Listed as a month to avoid: Dec–Feb (heat over 36°C), Jun–Aug (wet and cool).
March: Inside Perth's best window: Mar–May, Sep–Nov.
Perth: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen