The best months

  • SunJanuary to April, October to December
  • BeachJanuary to April, December
  • CityMarch to May, September to December

…

The twelve months at a glance

Month-by-month verdict for Perth
JanFebMarAprMayJunJulAugSepOctNovDec
SunIdeal, 100/100Ideal, 100/100Ideal, 100/100Ideal, 96/100Good, 72/100Fair, 39/100Best avoided, 27/100Best avoided, 34/100Fair, 50/100Ideal, 84/100Ideal, 97/100Ideal, 100/100
BeachIdeal, 87/100Ideal, 90/100Ideal, 90/100Ideal, 80/100Best avoided, 30/100Best avoided, 20/100Best avoided, 20/100Best avoided, 20/100Best avoided, 20/100Fair, 50/100Good, 68/100Ideal, 81/100
CityGood, 68/100Good, 69/100Ideal, 89/100Ideal, 94/100Ideal, 85/100Good, 79/100Good, 67/100Good, 72/100Ideal, 80/100Ideal, 91/100Ideal, 94/100Ideal, 88/100
  • Ideal
  • Good
  • Fair
  • Best avoided
  • Risk flagged

Temperatures and rain

Monthly temperatures and rain in PerthThe values are repeated in the table under the chart.0°C10°C20°C30°CHighLowSea101 mmRainJFMAMJJASOND
See the month-by-month values
MonthHighLowSeaRain
January31°C18°C22°C20 mm
February31°C18°C22°C18 mm
March29°C17°C22°C20 mm
April25°C14°C22°C28 mm
May21°C11°C22°C65 mm
June18°C9°C21°C91 mm
July17°C9°C20°C101 mm
August17°C9°C19°C91 mm
September19°C9°C19°C64 mm
October22°C11°C19°C33 mm
November26°C14°C20°C24 mm
December29°C16°C21°C13 mm

Estimated flight time

  • From YUL : about 22 h 15 min
  • From YYZ : about 22 h 05 min
  • From YVR : about 18 h 10 min

Estimate of a nonstop flight computed from the distance: not a schedule. Connections lengthen the trip.

Getting to Perth with points

Keep going

Where this data comes from

Temperatures, sunshine and rain: monthly normals we computed over 1991-2020. These are estimates from a climate reanalysis, not station readings.

  • ERA5 reanalysis-era5-single-levels-timeseries (C3S, CC-BY)
  • NOAA OISST v2.1

Contains modified Copernicus Climate Change Service information (ERA5, 2026, CC BY 4.0 licence). Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. Sea temperature: NOAA OISST v2.1 (Huang et al., 2021, J. Climate 34, doi:10.1175/JCLI-D-20-0166.1).