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Climate statistics for Australian locations

Monthly climate statistics

All years of record

Temperature | Rainfall | Other daily elements | 9am conditions | 3pm conditions

PORTLAND

An extended list of climate statistics recorded is provided below. There is also a summary table for printing with the commonly requested statistics and a map showing the location of this site. Monthly statistics are only included if there are more than 10 years of suitable data.

Site details

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Statistics Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Years Plot Map
Temperature  
Maximum temperature  
Mean maximum temperature (°C) 21.821.920.718.416.114.113.614.415.817.318.820.517.8801863
1956
graph statistic Climatology Map
Highest temperature (°C) 42.840.640.933.927.820.821.124.428.336.038.941.742.8721877
1957
graph statistic  
Date02 Jan
1955
04 Feb
1898
13 Mar
1934
01 Apr
1954
05 May
1921
02 Jun
1915
11 Jul
1906
26 Aug
1878
21 Sep
1882
24 Oct
1914
18 Nov
1921
26 Dec
1941
02 Jan
1955
    
Lowest maximum temperature (°C)               
 
   
Date                 
Decile 1 maximum temperature (°C)               
 
  Climatology Map
Decile 9 maximum temperature(°C)               
 
  Climatology Map
Mean number of days ≥ 30 °C              
 
   
Mean number of days ≥ 35 °C              
 
   
Mean number of days ≥ 40 °C              
 
   
Minimum temperature  
Mean minimum temperature (°C)12.713.112.010.38.77.56.56.97.88.910.311.69.7801863
1956
graph statistic Climatology Map
Lowest temperature (°C)4.43.32.01.1-0.6-2.2-2.8-1.7-0.30.62.23.3-2.8711877
1956
graph statistic  
Date27 Jan
1934
03 Feb
1888
11 Mar
1913
05 Apr
1936
28 May
1898
29 Jun
1944
18 Jul
1890
07 Aug
1944
14 Sep
1914
01 Oct
1947
25 Nov
1877
31 Dec
1909
18 Jul
1890
    
Highest minimum temperature (°C)              
 
   
Date                 
Decile 1 minimum temperature (°C)               
 
  Climatology Map
Decile 9 minimum temperature (°C)               
 
  Climatology Map
Mean number of days ≤ 2 °C               
 
   
Mean number of days ≤ 0 °C               
 
   
Ground surface temperature  
Mean daily ground minimum temperature (°C)               
 
   
Lowest ground temperature (°C)               
 
   
Date                 
Mean number of days ground min. temp. ≤ -1 °C               
 
   
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
Rainfall  
Mean rainfall (mm) 35.532.742.464.188.299.7108.5107.485.268.952.045.2827.51501857
2013
graph statistic Climatology Map
Highest rainfall (mm) 145.0135.5340.8174.3212.4211.2236.2236.0171.6165.5136.9145.21289.91501857
2013
graph statistic Climatology Map
Date2011194519461939192319231947201319121890196818751946    
Lowest rainfall (mm) 0.00.01.50.015.620.823.68.631.69.47.51.1486.61501857
2013
graph statistic Climatology Map
Date1878195618602007199619671877190119141995191119151914    
Decile 1 rainfall (mm) 9.45.912.325.838.655.957.655.550.931.521.913.8659.21331857
2013
graph statistic Climatology Map
Decile 5 (median) rainfall (mm) 25.825.136.760.680.693.5105.4102.181.366.247.239.3831.71331857
2013
graph statistic Climatology Map
Decile 9 rainfall (mm) 69.868.881.5108.7141.0153.0167.0164.3123.8111.391.184.7988.11331857
2013
graph statistic Climatology Map
Highest daily rainfall (mm) 62.078.7104.168.150.345.242.450.849.657.775.050.4104.11341872
2013
graph statistic  
Date06 Jan
1885
07 Feb
1957
16 Mar
1946
05 Apr
1939
17 May
1899
14 Jun
1891
06 Jul
1896
20 Aug
1951
23 Sep
1998
23 Oct
1949
29 Nov
1977
16 Dec
1980
16 Mar
1946
    
Mean number of days of rain 8.67.811.314.618.419.621.121.118.415.912.711.0180.51331857
2013
graph statistic Climatology Map
Mean number of days of rain ≥ 1 mm 4.84.36.38.911.813.014.114.411.910.27.66.3113.61341872
2013
graph statistic Climatology Map
Mean number of days of rain ≥ 10 mm 0.70.71.01.62.22.72.82.82.01.51.21.120.31341872
2013
graph statistic Climatology Map
Mean number of days of rain ≥ 25 mm 0.20.20.20.20.20.20.30.30.30.20.20.22.71341872
2013
graph statistic Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
Other daily elements  
Mean daily wind run (km)               
 
   
Maximum wind gust speed (km/h)               
 
   
Date                 
Mean daily sunshine (hours)               
 
  Climatology Map
Mean daily solar exposure (MJ/m2) 24.921.216.611.37.35.86.69.914.118.622.324.415.2251990
2014
graph statistic  
Mean number of clear days               
 
   
Mean number of cloudy days               
 
   
Mean daily evaporation (mm)               
 
  Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
9 am conditions  
Mean 9am temperature (°C) 17.517.416.213.911.79.89.210.212.013.615.016.613.6421908
1956
graph statistic  
Mean 9am wet-bulb temperature (°C) 14.414.613.712.010.38.67.98.510.011.112.413.611.4421908
1956
graph statistic  
Mean 9am dew-point temperature (°C)               
 
   
Mean 9am relative humidity (%) 72747578818282797775757377861858
1956
graph statistic Climatology Map
Mean 9am cloud cover (oktas) 4.84.95.05.25.25.24.94.84.85.05.35.05.0421908
1956
graph statistic  
Mean 9am wind speed (km/h)               
 
   
9am wind speed vs direction plot                                 Climatology Map
 
StatisticsJanFebMarAprMayJunJulAugSepOctNovDecAnnualYearsPlotMap
3 pm conditions  
Mean 3pm temperature (°C) 19.720.019.016.714.912.812.613.314.515.516.818.516.2351908
1956
graph statistic  
Mean 3pm wet-bulb temperature (°C) 15.616.015.113.712.110.710.110.311.312.213.214.412.9351908
1956
graph statistic  
Mean 3pm dew-point temperature (°C)               
 
   
Mean 3pm relative humidity (%) 61646468707471676565656266351908
1956
graph statistic Climatology Map
Mean 3pm cloud cover (oktas) 4.14.14.54.85.25.35.05.14.84.74.84.54.7341909
1956
graph statistic  
Mean 3pm wind speed (km/h)               
 
   
3pm wind speed vs direction plot                                 Climatology Map
red = highest value   blue = lowest value
Product IDCJCM0035 Prepared at Thu 28 Aug 2014 03:09:39 AM EST

  


Monthly statistics are only included if there are more than 10 years of data. The number of years (provided in the 2nd last column of the table) may differ between elements if the observing program at the site changed. More detailed data for individual sites can be obtained by contacting the Bureau.

Related Links

  • This page URL: http://www.bom.gov.au/climate/averages/tables/cw_090070_All.shtml
  • Summary statistics and locational map for this site:
       http://www.bom.gov.au/climate/averages/tables/cw_090070.shtml
  • About climate averages: http://www.bom.gov.au/climate/cdo/about/about-stats.shtml
  • Data file (csv): http://www.bom.gov.au/clim_data/cdio/tables/text/IDCJCM0035_090070.csv
  • Climate averages home page URL:  http://www.bom.gov.au/climate/data/index.shtml
  • Bureau of Meteorology website:  http://www.bom.gov.au

Related information

Maps

Recent observations for this site

  • Daily Weather Observations from this site are included in the Daily Weather Observations

Latest seasonal climate outlook for Southeastern Australia

Additional climate information

Page created: Thu 28 Aug 2014 03:09:39 AM EST