Sydney in winter 2016: A warm, wet winter for Sydney


Winter 2016 was the wettest for Sydney since 2007, with several heavy rain events including a severe East Coast Low during the first week of June. Both maximum and minimum temperatures were warmer than average, particularly during June and July, with a notable warm spell during mid-July.

A wet winter for Sydney

  • Sydney Observatory Hill recorded its wettest winter since 2007, with some stations recording their wettest winter in at least 20 years
  • An East Coast Low produced very heavy rain in early June, and broke winter rainfall records at some stations
  • Five days had 50 mm or more at Observatory Hill, the equal third-highest number on record for winter (average is one day)
  • There were 37 rain days at Observatory Hill, close to average for winter (34 days)
  • Sydney Airport recorded an average of 6.4 hours of sunshine, slightly below normal for winter (6.8 hours) and the least sunshine since winter 2008

A warm winter across the city

  • Equal third-warmest winter on record for average minimum temperatures at Observatory Hill
  • Seventh-warmest winter average maximum temperatures on record
  • 47 nights had minimum temperatures of 10 °C or higher, the equal second-highest number on record (average is 26 nights)
  • Notable winter warm spells broke records in June and mid-July, including the second-warmest July day on record
  • Observatory Hill recorded its coldest day in 20 years on 27 June

East Coast Low causes severe weather

Further information

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Extremes in winter 2016
Hottest day 27.0 °C at Sydney Airport AMO on 22 Jul
Warmest days on average 19.1 °C at Sydney Airport AMO
Coolest days on average 16.6 °C at Springwood (Valley Heights)
Coldest day 10.8 °C at Terrey Hills AWS on 27 Jun
10.8 °C at Springwood (Valley Heights) on 24 Aug
Coldest night -2.1 °C at Camden Airport AWS on 30 Jun
Coolest nights on average 5.2 °C at Camden Airport AWS
Warmest nights on average 10.2 °C at Sydney (Observatory Hill)
10.2 °C at Sydney Airport AMO
Warmest night 16.5 °C at Sydney (Observatory Hill) on 20 Jul
Warmest on average overall 14.7 °C at Sydney Airport AMO
Coolest on average overall 11.8 °C at Camden Airport AWS
Wettest overall 674.2 mm at Castle Cove (Rosebridge Ave)
Driest overall 306.4 mm at Penrith Lakes AWS
Wettest day 170.0 mm at Turramurra (Kissing Point Road) on 5 Jun
Strongest wind gust 98 km/h at Sydney Airport AMO on 4 Jun

Record highest winter daily rainfall

New record
(mm)
Old
record
Years of
record
Campbelltown (Kentlyn (Georges River Roa 154.0 on 5 Jun 117.4 on 21 Jun 1975 39
Ingleburn (Sackville Street) 140.0 on 5 Jun 96.0 on 31 Aug 1996 24
Badgerys Creek AWS 109.2 on 6 Jun 70.0 on 8 Aug 1998 21
Penrith Lakes AWS 81.6 on 5 Jun 67.8 on 9 Jun 2007 21



Record highest winter total rainfall

New record
(mm)
Old
record
Years of
record
Average for
winter
Bankstown Airport AWS 507.6 425.4 in 1998 48 176.8
Camden Airport AWS 429.6 378.8 in 1998 40 150.5
Campbelltown (Kentlyn (Georges River Roa 479.0 372.8 in 1975 37 155.8
Audley (Royal National Park) 665.0 650.8 in 1991 33 259.0
Badgerys Creek AWS 353.6 348.4 in 1998 21 124.2

Highest winter total rainfall for at least 20 years

Observed
(mm)
Most recent
higher
Average for
winter
Strathfield Golf Club 464.0 555.7 in 1952* 210.7
Prospect Reservoir 457.3 480.9 in 1986 183.8
Seven Hills (Collins St) 401.8 421.4 in 1986* 180.9
Chatswood Bowling Club 657.0 697.2 in 1952* 289.8
Marrickville Golf Club 490.0 559.0 in 1963* 259.7

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported.




Record highest winter daily minimum temperature

New record
(°C)
Old
record
Years of
record
Average for
winter
Badgerys Creek AWS 14.5 on 5 Jun 14.4 on 30 Aug 2007 21 4.8



Record highest winter mean daily minimum temperature

New record
(°C)
Old
record
Years of
record
Average for
winter
Sydney Airport AMO 10.2 = 10.2 in 2013 77 8.0

Highest winter mean daily minimum temperature for at least 20 years

Observed
(°C)
Most recent
higher
Average for
winter
Parramatta North (Masons Drive) 8.1 8.2 in 1973 6.9



Record highest winter mean temperature

New record
(°C)
Old
record
Years of
record
Average for
winter
Bankstown Airport AWS 13.1 = 13.1 in 2013 46 12.0
Richmond RAAF 12.4 = 12.4 in 2013 21 11.4
Badgerys Creek AWS 12.2 12.1 in 2013 20 11.4
Penrith Lakes AWS 12.9 = 12.9 in 2013 20 12.4

Highest winter mean temperature for at least 20 years

Observed
(°C)
Most recent
higher
Average for
winter
Camden Airport AWS 11.8 11.9 in 1991* 10.9

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported.




Summary statistics for winter 2016

Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
winter
2016
Diff
from
average
Highest for
winter
2016
Mean for
winter
2016
Diff
from
average
Lowest for
winter
2016
Total for
winter
2016
Average
for
winter
Rank of
winter
2016
Fraction of
winter
average
Badgerys Creek AWS 18.4 +0.3 25.7 22 Jul 6.0 +1.2 -1.9 4 Jul 353.6 124.2 highest 285%
Bankstown Airport AWS 18.9 +0.9 25.8 22 Jul 7.3 +1.3 0.5 30 Jun 507.6 176.8 highest 287%
Camden Airport AWS 18.4 +0.4 26.0 22 Jul 5.2 +1.4 -2.1 30 Jun 429.6 150.5 highest 285%
Campbelltown (Mount Annan) 18.4   25.7 22 Jul 5.9   -1.0 4 Jul 424.2 178.5 v high 238%
Canterbury Racecourse AWS 18.6 +0.4 25.5 22 Jul 7.5 +1.1 0.7 30 Jun 531.2 237.6 v high 224%
Holsworthy Aerodrome AWS 18.1   25.4 22 Jul 6.3   -0.6 30 Jun 444.4


Horsley Park Equestrian Centre AWS 18.2 +0.3 25.5 22 Jul 7.3 +0.8 -0.3 26 Jun 419.0 156.8 v high 267%
Parramatta North (Masons Drive) 18.6 +0.5 25.5 22 Jul 8.1 +1.2 1.5 30 Jun 519.6 195.1 v high 266%
Penrith Lakes AWS 18.5 -0.1 25.9 10 Aug 7.4 +1.3 1.0 15 Jul 306.4 121.9 v high 251%
Prospect Reservoir 18.3 +0.6 25.2 22 Jul 7.6 +0.8 0.4 26 Jun 457.3 183.8 v high 249%
Richmond RAAF 18.7 +0.3 25.7 22 Jul 6.0 +1.6 -1.9 15 Jul 308.0 117.8 v high 261%
Springwood (Valley Heights) 16.6 0.0 24.5 19 Jul 7.9 +0.9 2.1 14 Jul 356.6 188.1 high 190%
Sydney (Observatory Hill) 18.9 +1.8 25.7 22 Jul 10.2 +1.4 5.4 30 Jun 561.0 312.0 v high 180%
Sydney Airport AMO 19.1 +1.4 27.0 22 Jul 10.2 +2.2 5.4 26 Jun 528.0 271.9 v high 194%
Terrey Hills AWS 17.2 +0.5 23.8 22 Jul 8.9 +0.6 3.1 29 Jul 484.4 269.8 high 180%

Notes

The Seasonal climate summary lists the main features of the weather in Sydney 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 10 am on Thursday 1 September 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

Media
(03) 9669 4057
Enquiries