Yearly weather and climate in Perth, Australia

The yearly weather in Perth runs from around 10°C in August to 31°C in February. January is the driest month at 0 rainy days; July the wettest at 17. Here is the annual climate data, so you know what you are packing for.

Best time to visit

The best weather is typically in Jan, Feb, Mar, Apr, Sep, Oct, Nov, Dec, with mild temperatures and lower rainfall.

Sunshine

Expect up to 13.4 hours of clear skies in Dec, but only 8.3 hours in Jun. Pack sunglasses and SPF accordingly.

Rainfall

It rains the most in Jul (131mm over 17 days). A reliable rain jacket is a must-have if visiting then.

Day-to-night swings

Temperatures typically drop by 9°C from day to night. Make sure to pack layers for the evenings.

Average temperatures and rainfall

Daily highs and lows in Perth, averaged over 10 years of recorded weather, with the number of days it typically rains.

  1. 3087°1966°0Jan
  2. 3188°2067°2Feb
  3. 2983°1865°5Mar
  4. 2577°1559°6Apr
  5. 2271°1355°10May
  6. 1865°1151°14Jun
  7. 1864°1151°17Jul
  8. 1864°1050°13Aug
  9. 2068°1152°8Sep
  10. 2271°1254°6Oct
  11. 2576°1558°6Nov
  12. 2984°1865°2Dec

Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Jan is typically driest at 0 days (2mm); Jul the wettest at 17 days (131mm).

Average monthly temperature and rainfall in Perth
MonthAverage highAverage lowRainy daysTotal rainfall
Jan30°C19°C02mm
Feb31°C20°C222mm
Mar29°C18°C547mm
Apr25°C15°C640mm
May22°C13°C10103mm
Jun18°C11°C14117mm
Jul18°C11°C17131mm
Aug18°C10°C13105mm
Sep20°C11°C851mm
Oct22°C12°C645mm
Nov25°C15°C635mm
Dec29°C18°C26mm

Weather data by Open-Meteo.com

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