ClimateForecastDecemberJanuary >>

Perth Climate by Month

The temperature in Perth can vary greatly throughout the year. The temperatures shift from warm to very cold. It also has a relatively rain/snowy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Perth. On average, daytime temperatures range from a comfortable 25°C in July to a very cold -6°C in January. Nighttime temperatures can drop, with averages reaching -17°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Perth has a relatively rain/snowy climate with high precipitation levels, averaging 1205 mm of rain/snowfall annually. The wettest period in Perth occurs in July, which receives around 115 mm of precipitation. During the driest month, February, Perth experiences moderate snowfall, totaling approximately 82 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Perth in Canada

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Perth?
    The coldest season / winter is in the following months: January, February, March and December.
  • Which is the warmest month in Perth?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Perth?
    The coldest month is January with an average maximum temperature of -6°C.
  • Which is the wettest month in Perth?
    July tops the wettest month list with 115 mm of rainfall.
  • Which is the driest month in Perth?
    February is the driest month with 82 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Perth

    Fri   Dec 13
    -3°C | -10°C
    W 22 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Dec 14
    -5°C | -12°C
    NW 14 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Dec 15
    -3°C | -13°C
    SW 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain