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

  • Onslow, Australia latitude & longitude; 21°43'S 114°57'E.
  • Altitude; 4 m (13 ft).
  • The average temperature in Onslow, Australia is 24.5 °C (76 °F).
  • The range of average monthly temperatures is 12 °C.
  • The warmest average max/ high temperature is 36 °C (97 °F) in January & February.
  • The coolest average min/ low temperature is 11 °C (52 °F) in July.
  • Onslow receives on average 274 mm (10.8 in) of precipitation annually or 23 mm (0.9 in) each month.
  • On balance there are 22 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 2 days on an average month.
  • The month with the driest weather is September, October when on balance 0.5 mm (0.0 in) of rainfall (precipitation) occurrs.
  • The month with the wettest weather is March when on balance 63 mm (2.5 in) of rain, sleet, hail or snow falls across 3 days.
  • Mean relative humidity for an average year is recorded as 50.5% and on a monthly basis it ranges from 44% in October to 57% in July.

Onslow Climate Graph (Metric | Imperial units)

Onslow Climate Graph

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Onslow Weather Averages

  Average Minimum Temperatures in Onslow, Australia (°C) Average Maximum Temperature in Onslow, Australia (°C) Onslow Average Temperature (°C) Average Sea Temp (°C) Average Rainfall/ Precipitation (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Onslow (Beaufort) Average Number of Days with Frost  
Weather in Onslow in January 23 36 29.5 - 21 2 - 52 3 0 Average Temperature in Onslow in January
Weather in Onslow in February 24 36 30 - 46 3 - 54 4 0 Average Temperature in Onslow in February
Weather in Onslow in March 23 35 29 - 63 3 - 53.0 3 0 Average Temperature in Onslow in March
Weather in Onslow in April 20 33 27 - 18 1 - 50 3 0 Average Temperature in Onslow in April
Weather in Onslow in May 16 29 23 - 50 3 - 52 3 0 Average Temperature in Onslow in May
Weather in Onslow in June 12 26 19 - 40 3 - 54 3 0 Average Temperature in Onslow in June
Weather in Onslow in July 11 25 18 - 20 3 - 57 3 0 Average Temperature in Onslow in July
Weather in Onslow in August 12 27 19.5 - 9 2 - 47 3 0 Average Temperature in Onslow in August
Weather in Onslow in September 14 29 22 - 0.5 0 - 45 4 0 Average Temperature in Onslow in September
Weather in Onslow in October 16 32 24 - 0.5 0 - 44 4 0 Average Temperature in Onslow in October
Weather in Onslow in November 19 34 27 - 3 1 - 48 4 0 Average Temperature in Onslow in November
Weather in Onslow in December 21 35 28 - 3 1 - 50 4 0 Average Temperature in Onslow in December

Onslow Climograph/ Climate Chart (imperial)

Onslow Temperature Chart

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Onslow Temperatures in Farenheit

  Average Minimum Temperatures in Onslow, Australia (°F) Average Maximum Temperature in Onslow, Australia (°F) Average Temperature (°F) Average Sea Temp (°F) Average Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Onslow in January 73 97 85 - 0.8 2 - 52 3 0 Climate in Onslow in January
Temperatures in Onslow in February 75 97 86 - 1.8 3 - 54 4 0 Climate in Onslow in February
Temperatures in Onslow in March 73 95 84 - 2.5 3 - 53 3 0 Climate in Onslow in March
Temperatures in Onslow in April 68 91 80 - 0.7 1 - 50 3 0 Climate in Onslow in April
Temperatures in Onslow in May 61 84 73 - 2.0 3 - 52 3 0 Climate in Onslow in May
Temperatures in Onslow in June 54 79 66 - 1.6 3 - 54 3 0 Climate in Onslow in June
Temperatures in Onslow in July 52 77 64 - 0.8 3 - 57 3 0 Climate in Onslow in July
Temperatures in Onslow in August 54 81 67 - 0.4 2 - 47 3 0 Climate in Onslow in August
Temperatures in Onslow in September 57 84 71 - 0.0 0 - 45 4 0 Climate in Onslow in September
Temperatures in Onslow in October 61 90 75 - 0.0 0 - 44 4 0 Climate in Onslow in October
Temperatures in Onslow in November 66 93 80 - 0.1 1 - 48 4 0 Climate in Onslow in November
Temperatures in Onslow in December 70 95 82 - 0.1 1 - 50 4 0 Climate in Onslow in December


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