Perth Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Perth, Australia latitude & longitude; 31°57'S 115°51'E.
• Altitude; 60 m (197 ft).
• The average temperature in Perth, Australia is 18.2 °C (65 °F).
• The range of average monthly temperatures is 11 °C.
• The warmest average max/ high temperature is 30 °C (86 °F) in January & February.
• The coolest average min/ low temperature is 9 °C (48 °F) in July & August.
• Perth receives on average 889 mm (35.0 in) of precipitation annually or 74 mm (2.9 in) each month.
• On balance there are 128 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 11 days on an average month.
• The month with the driest weather is January when on balance 7 mm (0.3 in) of rain, sleet, hail or snow falls across 3 days.
• The month with the wettest weather is June when on balance 192 mm (7.6 in) of rain, sleet, hail or snow falls across 17 days.
• Mean relative humidity for an average year is recorded as 52.3% and on a monthly basis it ranges from 43% in January & February to 63% in June, July.
• There is an average range of hours of sunshine in Perth of between 4.9 hours per day in June and 10.5 hours per day in December.
• On balance there are 2906 sunshine hours annually and approximately 8.0 sunlight hours for each day.

Perth Climate Graph (Metric | Imperial units)

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Perth Weather Averages

Perth Climograph/ Climate Chart (imperial)

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Perth Temperatures in Farenheit