When to go · Onslow
Onslow in December
Avoid month. Listed as a month to avoid: Nov–Mar (cyclone season, extreme heat, ferry not running).
Key facts
- Verdict
- Avoid
- Temperature
- 36°C (97°F)97°F (36°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 2
- Crowds
- High
- Australia overall
- Prices
- High
- Australia overall
Verdict
Listed as a month to avoid: Nov–Mar (cyclone season, extreme heat, ferry not running).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- OnslowHighs around 36 °C (97 °F), lows around 24 °C (75 °F), rain on about 2 daysHighs around 97 °F (36 °C), lows around 75 °F (24 °C), rain on about 2 days
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 Onslow, side by side.
Verdict
Dec: Avoid
Apr: Great (better)
Daytime high
Dec: 36 °C (97 °F)97 °F (36 °C)
Apr: 32 °C (90 °F)90 °F (32 °C)
Night low
Dec: 24 °C (75 °F)75 °F (24 °C)
Apr: 22 °C (72 °F)72 °F (22 °C)
Rain days
Dec: 2
Apr: 2
Crowds
Dec: High
Apr: Medium
Prices
Dec: High
Apr: Medium
Festivals listed
Dec: 3
Apr: 1
December: Listed as a month to avoid: Nov–Mar (cyclone season, extreme heat, ferry not running).
April: Inside Onslow's best window: Apr–Oct (dry season, ferry running).
Onslow: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen