Melbourne in May 2016: warm temperatures and average rainfall

In May 2016, all suburbs around Melbourne recorded well above average daytime and night time temperatures. May rainfall was mostly close to average across metropolitan Melbourne.

  • Close to average rainfall at most sites across Melbourne
  • Above average temperatures in all suburbs
  • Cool end of the month
  • Strong wind gusts above 80 km/h on the 3rd

May rainfall was generally close to average for most suburbs, with several recording above average totals. Rainfall totals ranged from 97% of average at Essendon Airport to 166% of average at Avalon Airport. Ferny Creek was the wettest recorded site around Melbourne in May with a total of 143.4 mm for the month. The highest daily total of 27.8 mm was also recorded at Ferny Creek. Melbourne City (Olympic Park) had 16 days with rain during May and a monthly total of 57.0 mm.

All sites around Melbourne recorded May mean maximum and minimum temperatures that were well above average. Mean maximum temperatures for the month ranged from 1.1 °C above average at Cerberus to 2.1 °C above average at Essendon Airport. Melbourne City (Olympic Park) had 22 consecutive days (between the 2nd and 23rd) with daytime temperatures above 17 °C, a record for central Melbourne for May. The highest maximum temperature at this site was 25.7 °C, on the 7th when an approaching front directed northerly wind flow across the city. On the same day Avalon Airport saw 27.9 °C, which was the hottest temperature recorded for the month in metropolitan Melbourne. Whilst May mean maximum temperatures were well above average, they were not as high as those of May 2007 or May 2014 at most sites.

Mean minimum temperatures were also much warmer than average for this time of year, ranging from 1.4 °C above average at Melbourne Airport to 2.6 °C above average at Essendon Airport, and ranked as the second-warmest on record (after 2007) at most sites. Melbourne City (Olympic Park) had 11 consecutive days (between the 5th and 15th) with night-time temperatures above 11 °C, with the highest minimum temperature of 15.9 °C recorded on both the 6th and 13th. The lowest minimum temperature recorded at the same site during May was 3.6 °C on the 31st, due to a clear and calm night. The lowest minimum temperature in the greater Melbourne area was −2.3 °C at Coldstream, also on the 31st.

Strong wind gusts of more than 80 km/h were recorded across Melbourne on the 3rd as a cold front crossed the city, including 85 km/h at Avalon and Moorabbin Airports; the strongest gust of 91 km/h was recorded at St Kilda Harbour.

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Extremes in May 2016
Hottest day 27.9 °C at Avalon Airport on the 7th
Warmest days on average 18.9 °C at Avalon Airport
Coolest days on average 14.0 °C at Ferny Creek
Coldest day 8.5 °C at Ferny Creek on the 26th
Coldest night -2.3 °C at Coldstream on the 31st
Coolest nights on average 7.4 °C at Coldstream
Warmest nights on average 11.4 °C at Melbourne (Olympic Park)
Warmest night 16.2 °C at Cerberus on the 15th
Warmest on average overall 15.0 °C at Melbourne (Olympic Park)
Coolest on average overall 11.3 °C at Ferny Creek
Wettest overall 143.4 mm at Ferny Creek
Driest overall 45.8 mm at Melbourne Airport
Wettest day 27.8 mm at Ferny Creek on the 27th
Strongest wind gust 91 km/h at St Kilda Harbour - RMYS on the 3rd

Record highest May temperature
New record
(°C)
Old
record
Years of
record
Average for
May
Cranbourne Botanic Gardens 26.5 on the 7th 25.4 on the 9th in 2013 27 16.4



Summary statistics for May 2016
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
May
2016
Diff
from
average
Highest for
May
2016
Mean for
May
2016
Diff
from
average
Lowest for
May
2016
Total for
May
2016
Average
for
May
Rank of
May
2016
Fraction of
May
average
Avalon Airport 18.9 +1.7 27.9 7th 9.5 +2.0 -0.2 31st 59.0 35.6 high 166%
Bundoora (Latrobe University) 18.3 +1.6 25.8 7th 9.7 +1.7 0.2 31st 52.2 51.7 average 101%
Cerberus 17.7 +1.1 25.4 7th 10.2 +1.8 0.9 31st 110.2 69.3 high 159%
Coldstream 18.1 +1.5 25.5 7th 7.4 +1.9 -2.3 31st 102.4 67.4 high 152%
Essendon Airport 18.3 +2.1 25.6 7th 10.4 +2.6 1.1 31st 47.4 48.7 average 97%
Ferny Creek 14.0   21.0 6th 8.6   4.5 4th 143.4
Laverton RAAF 18.6 +1.7 26.6 7th 10.1 +2.3 0.3 31st 55.2 46.1 average 120%
Melbourne (Olympic Park) 18.6   25.7 7th 11.4   3.6 31st 57.0
Melbourne Airport 18.1 +1.5 25.5 7th 9.7 +1.4 1.0 31st 45.8 39.4 average 116%
Moorabbin Airport 18.5 +1.5 26.0 7th 10.7 +2.0 1.9 31st 78.2 69.5 average 113%
Scoresby Research Institute 18.0 +1.7 25.0 7th 9.7 +1.5 0.7 31st 86.0 87.8 average 98%
Viewbank 18.4 +1.3 26.4 7th 9.9 +2.1 0.5 31st 53.4 52.0 average 103%

Daily maximum temperatures for May 2016
12345678910111213141516171819202122232425262728293031
Avalon Airport15.719.121.318.122.723.527.920.322.517.017.620.922.423.322.021.017.318.919.318.519.722.617.216.217.212.414.514.713.013.913.8
Bundoora (Latrobe University)16.917.019.717.520.224.225.820.023.217.217.520.721.021.021.919.517.218.917.517.218.422.016.416.715.211.814.212.613.414.516.7
Cerberus14.718.319.317.320.622.325.416.219.216.516.418.719.621.619.919.516.418.718.317.318.522.015.715.616.212.514.014.113.915.316.2
Coldstream17.016.919.917.320.224.525.519.921.816.516.419.620.421.220.718.817.418.117.517.418.221.715.815.916.211.514.612.713.614.6
Cranbourne Botanic Gardens17.019.620.924.726.519.020.820.520.920.219.815.718.316.617.821.815.315.814.413.913.014.115.2
Essendon Airport16.817.919.817.721.424.325.620.021.617.017.021.421.221.222.019.016.919.018.518.018.321.516.616.415.811.714.413.413.714.016.6
Ferny Creek11.513.515.313.116.321.020.816.517.613.012.015.316.517.316.815.612.713.511.813.215.118.612.310.811.68.510.810.39.610.613.2
Laverton RAAF16.218.320.018.121.825.926.620.521.617.017.021.321.422.620.619.816.919.319.317.319.421.616.315.817.912.215.114.313.014.314.6
Melbourne (Olympic Park)17.018.420.118.220.524.725.720.422.217.217.421.421.621.722.019.617.119.318.417.418.522.217.215.815.612.514.413.213.915.417.4
Melbourne Airport16.617.619.617.221.025.125.519.121.316.616.821.721.521.121.318.717.519.217.717.418.320.716.315.915.811.114.613.412.713.916.6
Moorabbin Airport15.919.220.117.921.524.426.020.422.418.117.020.021.421.320.120.116.819.418.217.019.122.417.115.417.212.614.914.313.115.316.1
Scoresby Research Institute16.117.919.717.320.624.525.020.121.216.416.319.820.421.520.719.816.717.816.717.218.121.615.715.916.811.914.713.713.015.217.2
Viewbank16.617.020.317.420.724.926.420.322.817.016.920.721.621.421.819.817.319.217.517.419.022.416.916.416.311.514.113.213.614.616.7
Values are the maximum temperature, usually in the 24 hours from 9 am on the day indicated,
and typically occurred in the afternoon of that day.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily minimum temperatures for May 2016
12345678910111213141516171819202122232425262728293031
Avalon Airport11.98.012.68.08.711.510.011.714.913.111.013.014.410.213.93.411.411.413.48.54.07.510.68.95.110.06.97.38.94.8-0.2
Bundoora (Latrobe University)13.57.212.46.711.513.39.014.614.711.811.813.314.311.814.74.411.611.713.08.85.06.212.18.64.810.07.32.77.84.50.2
Cerberus11.99.013.010.513.115.47.412.014.313.210.913.115.115.116.25.211.511.014.410.54.85.210.410.55.310.27.92.29.26.30.9
Coldstream13.91.412.02.710.78.96.39.514.411.99.612.714.59.112.41.110.08.412.65.91.72.012.35.82.09.53.70.24.01.9-2.3
Cranbourne Botanic Gardens13.86.59.09.812.414.19.510.014.56.510.210.910.56.16.511.86.57.84.98.25.43.1
Essendon Airport14.07.411.18.111.914.710.014.614.812.811.213.314.713.313.97.012.712.213.410.55.69.911.99.86.99.77.64.48.65.31.1
Ferny Creek10.74.98.34.58.112.015.512.212.39.27.38.011.211.713.77.19.48.010.18.57.810.98.07.46.17.05.45.04.94.55.7
Laverton RAAF13.78.311.77.311.314.58.714.814.912.311.413.115.213.012.35.612.011.914.08.06.011.211.57.96.19.85.84.89.74.90.3
Melbourne (Olympic Park)14.49.012.39.812.615.911.415.515.413.712.214.115.914.515.07.711.413.014.611.68.19.212.810.77.610.39.25.78.77.23.6
Melbourne Airport13.67.310.96.810.613.79.214.414.912.010.512.713.312.512.96.311.111.612.39.16.310.011.08.37.29.36.13.18.63.91.0
Moorabbin Airport14.38.712.48.612.514.59.413.915.013.211.613.714.113.915.96.712.812.814.210.25.85.412.411.27.510.09.54.78.76.81.9
Scoresby Research Institute13.97.111.66.611.215.49.113.914.612.810.212.815.114.014.55.412.89.613.77.27.16.312.07.55.99.75.53.05.94.70.7
Viewbank13.88.412.48.811.514.09.113.214.412.910.813.015.113.615.45.08.211.713.79.45.27.312.49.35.49.77.33.65.54.90.5
Values are the minimum temperature, usually in the 24 hours to 9 am on the day indicated,
and typically occurred that morning.
Temperatures coloured according to their difference
from the long-term average for the period
-10.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0 -1.0 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 +8.0 +9.0 +10.0 °C Grey outline marks highest
and lowest for the period

Daily rainfall for May 2016
12345678910111213141516171819202122232425262728293031
Avalon Airport 12.0 0.8 - 0.6 - - - 1.4 1.2 7.8 0.6 - 0.4 - - - 4.6 - - 1.6 - - 1.0 4.6 - 14.6 5.4 1.0 1.4 - -
Bundoora (Latrobe University) 8.0 0.4 - 2.8 - - - 5.4 1.0 9.0 0.4 0.2 - - - - 0.2 - - 1.8 - - 1.8 1.0 - 11.4 5.4 0.4 3.0 - -
Cerberus 20.0 1.2 - 4.4 - - - 1.2 3.2 17.2 3.2 1.4 - - - 0.2 13.6 - - 11.2 - - 7.0 1.6 - 7.0 15.2 1.0 1.6 - -
Coldstream 7.0 2.2 - 8.0 - 0.2 - 9.0 7.8 9.8 13.0 2.0 - - - - 0.2 - - 3.2 - - 3.6 2.6 - 13.2 17.4 0.2 3.0 - -
Cranbourne Botanic Gardens 15.7 1.2 - 9.2 - - 0.2 5.8 5.6 18.4 8.3 - - 2.2 0.2 12.4 - - 8.2 1.8 27.0 3.0 1.4 - 1.4
Essendon Airport 10.0 - - 0.2 - - - 6.0 0.8 8.8 0.6 - - - - - 0.6 - - 0.4 - - 2.6 1.2 0.2 10.2 3.4 0.4 2.0 - -
Ferny Creek 10.2 3.6 - 8.2 - - - 4.6 5.8 23.0 11.8 10.8 0.2 - - - 0.8 - - 4.6 0.2 - 8.4 3.6 0.2 15.6 27.8 0.2 3.6 - 0.2
Laverton RAAF 14.8 - - 2.2 - - - 7.0 1.6 11.4 0.6 - - - - - 0.8 - - 1.0 - 0.2 1.6 2.2 - 8.8 2.2 0.4 0.4 - -
Melbourne (Olympic Park) 9.8 0.4 - 0.2 - - - 5.4 0.8 12.0 0.2 0.2 - - - - 0.2 - - 1.8 - - 2.2 1.8 - 12.4 4.8 0.6 4.2 - -
Melbourne Airport 6.4 - - 0.8 - - - 3.8 1.4 11.0 - - - - - - 0.4 - - 0.8 - - 0.6 1.4 - 11.4 6.0 0.2 1.4 - 0.2
Moorabbin Airport 12.6 2.8 - 5.0 - - - 5.6 2.0 15.0 1.0 1.0 1.0 - - - 1.2 - - 6.0 - - 4.8 0.8 - 8.6 10.0 0.4 0.4 - -
Scoresby Research Institute 7.2 1.6 - 5.0 - - - 5.4 2.8 15.0 4.6 3.0 - - - - 0.4 - - 2.6 - - 6.2 2.8 - 11.2 16.2 0.2 1.8 - -
Viewbank 7.4 0.2 - 1.6 - - - 4.8 1.4 11.0 0.8 0.2 - - - - 0.2 - - 1.2 - - 2.4 1.6 - 12.4 7.2 0.2 0.8 - -
Most values are the precipitation in the 24 hours to 9 am on the day indicated. Days marked with → are part of a longer accumulation, which is shown on the final day.
Values over 100 mm have been rounded to the nearest whole millimetre.
Days marked with - have a rainfall report of zero; days left blank have no rainfall report (which often indicates no rain fell).
Rainfalls coloured
according to the amount
0 1.0 5.0 10.0 15.0 25.0 50.0 100 150 200 300 400 600 millimetres

Notes

The Monthly climate summary lists the main features of the weather in Melbourne using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

A climate summary is generally published on the first working day of each month.

This statement has been prepared based on information available at 11 am on Wednesday 1 June 2016. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

The ACORN-SAT dataset is used for temperature area averages.

Further information

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