Northern Territory in July 2022: cold nights and cool days

July in the Northern Territory had cold nights and cool days. For the Territory as a whole, it was the coldest July since 1983 and the mean minimum temperature was the fifth-coldest since records began in 1910. A cloudband at the start of the month brought unseasonal rain to parts of the Top End.

Mostly dry

  • For most of the Northern Territory July was typically dry with little or no rain recorded for the month.
  • The main exception was from a cloudband at the start of the month across much of the Top End.
  • The cloudband brought daily totals of 25 to 50 mm to parts of the Daly, Carpentaria and Barkly Districts on the 1st, with more moderate totals in the eastern Barkly District on the 2nd.
  • A number of sites had their highest July daily rainfall on record on the 1st including Moroak, east of Katherine, which recorded its first rain in July in 23 years of observations.
  • Some sites, with 20 to 50 years of data, had their highest total July rainfall on record or their highest for at least 20 years.

Cold nights and cool days

  • The Northern Territory saw cold nights and cool days throughout July.
  • Daytime temperatures were below average for the northern half of the Territory, but close to or above average in southern areas.
  • Night-time temperatures were below average to very much below average (coldest 10% of all years since 1910) across the Northern Territory.
  • For the Northern Territory as a whole, the July mean temperature was 1.26 °C below the 1961–1990 average, the coldest for July since 1983.
  • The July mean minimum temperature was 1.99 °C below average, the fifth-coldest on record since 1910, while the mean maximum temperature was 0.55 °C below average, the coldest for July since 1997.
  • A cloudband at the start of the month saw some sites in the Top End have their coldest July day on record.
  • Nights were particularly cold in southern areas at the start of the month; Watarrka recorded a minimum of -4.2 °C on the 6th, the coldest night there since July 2002.

Darwin Airport

  • Total rainfall for Darwin Airport was 0 mm.
  • The mean daily maximum temperature for Darwin Airport was 29.8 °C, which is 0.9 °C below the long-term average of 30.7 °C.
  • The warmest day was 33.0 °C on the 29th, and the coolest day was on the 5th when the temperature reached 26.4 °C.
  • The mean daily minimum temperature for Darwin Airport was 17.0 °C, which is 2.3 °C below the long-term average of 19.3 °C.
  • The coldest morning was 14.1 °C on the 24th, and the warmest morning was on the 29th when the minimum temperature was 19.9 °C.

Alice Springs Airport

  • Total rainfall for Alice Springs Airport was 0 mm.
  • The mean daily maximum temperature for Alice Springs Airport was 20.0 °C, which is 0.1 °C above the long-term average of 19.9 °C.
  • The warmest day was 28.7 °C on the 24th, and the coolest day was on the 3rd when the temperature reached 14.3 °C.
  • The mean daily minimum temperature for Alice Springs Airport was 0.5 °C, which is 3.5 °C below the long-term average of 4.0 °C.
  • The coldest morning was -4.0 °C on the 15th, and the warmest morning was on the 25th when the minimum temperature was 7.9 °C.

Prolonged cool weather

Further information

Media
(03) 9669 4057

Extremes in July 2022
Hottest day 34.7 °C at Bradshaw - Koolendong Valley (Defence) on the 25th
34.7 °C at Jabiru Airport on the 31st
34.7 °C at Oenpelli Airport on the 31st
Warmest days on average 31.7 °C at Oenpelli Airport
Coolest days on average 20.0 °C at Alice Springs Airport
Coldest day 13.4 °C at Arltunga on the 3rd
Coldest night -4.2 °C at Watarrka on the 6th
Coolest nights on average 0.5 °C at Alice Springs Airport
Warmest nights on average 23.3 °C at Cape Wessel
Warmest night 24.6 °C at Cape Wessel on the 25th
Warmest on average overall 26.2 °C at Cape Wessel
Coolest on average overall 10.3 °C at Alice Springs Airport
Wettest overall 60.6 mm at Fish River
Wettest day 55.2 mm at Fish River on the 1st
Strongest wind gust 74 km/h at Cape Wessel on the 1st

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

Click on a map to show it full size in a pop-up window


Record highest July daily rainfall
New record
(mm)
Old
record
Years of
record
Daly Waters Airstrip 37.2 on the 1st 37.1 on the 14th in 1968 53
Tipperary 35.0 on the 1st 27.4 on the 14th in 1968 48
Elizabeth Downs 38.0 on the 1st 23.1 on the 14th in 1968 44
Tindal RAAF 28.0 on the 1st 25.8 on the 2nd in 1986 39
Nathan River 12.9 on the 1st 0.6 on the 1st in 2011 38
Gorrie 32.0 on the 1st 1.6 on the 6th in 2010 37
Gilnockie 50.0 on the 1st 2.6 on the 2nd in 1999 34
Labelle Downs 24.0 on the 1st 5.0 on the 13th in 2016 34
Channel Point 35.0 on the 1st 0.2 on the 13th in 2016 32
Borroloola Airport 12.2 on the 1st 4.2 on the 15th in 2006 28
Delamere Weapons Range 23.0 on the 1st 5.0 on the 2nd in 1999 26
Bradshaw 7.4 on the 1st 2.0 on the 6th in 2010 23
Moroak 7.0 on the 1st 0.0 on the 31st in 2021 23
Lakefield 33.6 on the 1st 0.4 on the 7th in 2006 22



Record highest July total rainfall
New record
(mm)
Old
record
Years of
record
Average for
July
Gorrie 39.0 1.6 in 2010 37 1.1
Labelle Downs 24.0 5.0 in 2016 34 0.9
Channel Point 35.0 2.7 in 1999 32 1.2
Borroloola Airport 12.2 4.6 in 2006 28 0.9
Delamere Weapons Range 26.6 5.6 in 1999 26 1.4
Bradshaw 7.8 2.8 in 2010 23 0.5
Upper Fergusson River 13.8 5.8 in 2016 21 0.9

Highest July total rainfall for at least 20 years
Observed
(mm)
Most recent
higher
Average for
July
Nutwood Downs 25.4 115.5 in 1986 2.3
Douglas River Research Farm 34.6 43.6 in 1986* 2.9
McArthur River Mine Airport 23.6 56.6 in 1986* 2.4
Elliott 32.0 53.4 in 1986* 3.3
Rosewood 4.0 8.0 in 1991 3.3
Tindal RAAF 35.2 77.0 in 1986* 3.2
Daly Waters Airstrip 46.2 56.9 in 1968* 2.5
Moolooloo 10.8 14.4 in 1999* 0.8

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




Record lowest July daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
July
Daly Waters Airstrip 14.9 on the 1st 15.6 on the 13th in 1968 53 29.2
Centre Island 19.5 on the 15th 19.8 on the 14th in 2016 48 26.4
McArthur River Mine Airport 18.1 on the 1st 18.2 on the 25th in 1984 45 30.2
Borroloola Airport 20.2 on the 1st 20.9 on the 14th in 2016 29 30.6
Channel Point 23.0 on the 1st 23.7 on the 2nd in 1999 28 29.4
Batchelor Airport 23.6 on the 1st 26.3 on the 18th in 2006 26 32.1
Dum In Mirrie Airstrip 25.6 on the 1st 26.0 on the 17th in 2001 24 30.5
Point Fawcett 24.3 on the 5th 25.0 on the 28th in 2000 24 30.3
Bradshaw 17.6 on the 1st 20.7 on the 6th in 2010 23 32.2
Ngayawili 24.8 on the 2nd 25.0 on the 15th in 2016 22 29.7
Port Keats Airport 19.5 on the 1st 22.7 on the 6th in 2010 22 31.6
Middle Point 27.0 on the 5th 27.8 on the 19th in 2006 21 32.9



Record lowest July mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
July
Elliott 25.2 26.1 in 1986 40 28.5
Batchelor Airport 29.9 30.3 in 1997 25 32.1
Delamere Weapons Range 27.2 27.7 in 2006 25 29.8
Groote Eylandt Airport 26.6 27.3 in 2012 23 29.0
Bradshaw 29.6 30.2 in 2007 22 32.2
Port Keats Airport 29.3 29.9 in 2006 21 31.6
Middle Point 30.9 31.0 in 2006 20 32.9

Lowest July mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
July
Tennant Creek Airport 22.8 22.6 in 1984 24.8
Centre Island 24.9 24.2 in 1985 26.4
Tindal RAAF 28.3 27.9 in 1985* 30.5
Douglas River Research Farm 29.7 29.1 in 1968* 32.0
McArthur River Mine Airport 28.3 28.0 in 1986* 30.2
Daly Waters Airstrip 27.0 26.0 in 1968* 29.2

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




Record lowest July temperature
New record
(°C)
Old
record
Years of
record
Average for
July
Channel Point 10.0 on the 15th = 10.0 on the 1st in 2007 28 17.2



Record lowest July mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
July
Tindal RAAF 10.9 11.0 in 2002 34 13.6
Channel Point 14.3 15.4 in 2007 27 17.2
Dum In Mirrie Airstrip 15.2 16.7 in 2007 23 18.2
Point Fawcett 15.3 15.5 in 2007 23 18.1
Bradshaw 12.3 12.8 in 2007 22 15.4

Lowest July mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
July
Darwin Airport 17.0 15.9 in 1965 19.3
Tennant Creek Airport 10.4 10.2 in 1977 12.4
Batchelor Airport 14.3 13.9 in 2002 16.5
Delamere Weapons Range 12.7 12.4 in 2002 14.9
Jervois 2.7 1.8 in 2002 5.4
Pirlangimpi Airport 16.4 15.6 in 1999* 18.5
Rabbit Flat 3.3 1.7 in 2002 6.8

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




Record lowest July mean temperature
New record
(°C)
Old
record
Years of
record
Average for
July
Daly Waters Airstrip 18.0 18.2 in 1965 52 20.6
Batchelor Airport 22.1 22.8 in 2007 25 24.3
Delamere Weapons Range 19.9 20.4 in 2006 25 22.4
Dum In Mirrie Airstrip 22.2 22.9 in 2007 23 24.4
Groote Eylandt Airport 20.2 20.5 in 2007 23 22.3
Point Fawcett 21.9 22.1 in 2007 23 24.2
Bradshaw 21.0 21.5 in 2007 22 23.8
Port Keats Airport 21.6 22.2 in 2007 21 24.2
Middle Point 21.5 21.7 in 2007 20 23.7

Lowest July mean temperature for at least 20 years
Observed
(°C)
Most recent
lower
Average for
July
Darwin Airport 23.4 22.5 in 1965 25.0
Tennant Creek Airport 16.6 16.5 in 1977 18.6
Jervois 11.8 11.3 in 1983 13.7
Elliott 17.6 17.4 in 1982* 20.0
Tindal RAAF 19.6 19.5 in 1985* 22.0
McArthur River Mine Airport 19.2 18.7 in 1985* 21.3
Douglas River Research Farm 20.4 20.2 in 1974* 22.6
Pirlangimpi Airport 23.4 =23.4 in 1999* 24.9
Rabbit Flat 14.5 14.0 in 2002 16.7

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




Summary statistics for July 2022
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
July
2022
Diff
from
average
Highest for
July
2022
Mean for
July
2022
Diff
from
average
Lowest for
July
2022
Total for
July
2022
Average
for
July
Rank of
July
2022
Fraction of
July
average
Darwin-Daly (district 14GA)
Batchelor Airport 29.9 -2.2 33.7 31st 14.3 -2.2 10.4 23rd 5.8 0.9 v high 644%
Central Arnhem Plateau 27.7 -1.5 32.2 31st 12.8 -3.0 7.8 23rd 1.0 2.0 high 50%
Channel Point 27.7 -1.7 31.0 31st 14.3 -2.9 10.0 15th 35.0 1.2 highest 2917%
Charles Point 27.5   31.1 29th 18.1   15.8 12th 1.2
Croker Island Airport 29.3   31.9 30th 18.8   15.5 24th 0
Darwin Airport 29.8 -0.9 33.0 29th 17.0 -2.3 14.1 24th 0 1.1 lowest 0%
Delamere Weapons Range 27.2 -2.6 32.4 25th 12.7 -2.2 9.6 15th 26.6 1.4 highest 1900%
Douglas River Research Farm 29.7 -2.3 34.2 31st 11.1 -1.8 5.2 24th 34.6 2.9 v high 1193%
Dum In Mirrie Airstrip 29.2 -1.3 32.9 29th 15.2 -3.0 11.2 13th 11.6 1.3 v high 892%
Jabiru Airport 31.3 -0.8 34.7 31st 17.1 -1.7 12.2 24th 0 2.9 lowest 0%
Kangaroo Flats (Defence) 30.8   34.5 31st 14.8   11.5 12th 5.8
Knuckey Lagoon 30.4   33.2 30th 14.2   10.3 24th 0
McCluer Island 26.6 -0.8 28.6 1st 22.2 -0.9 20.1 23rd 0 1.0 lowest 0%
Middle Point 30.9 -2.0 34.4 31st 11.9 -2.6 6.7 15th 0.8 0.3 high 267%
Mount Bundey North (Defence) 30.8   34.3 31st 16.0   12.6 24th 2.6
Mount Bundey South (Defence) 30.6   34.5 31st 14.2   9.8 23rd 3.4
Murganella Airstrip 30.4   32.6 19th 13.9   8.9 23rd 0 0.6 v low 0%
Noonamah Airstrip 31.2   34.6 31st 13.0   9.2 13th 0.6 0.1 v high 600%
Oenpelli Airport 31.7   34.7 31st 16.8   11.2 23rd 0.2 2.3 high 9%
Pirlangimpi Airport 30.4 -0.9 33.6 31st 16.4 -2.1 12.4 15th 0.4 2.5 average 16%
Point Fawcett 28.5 -1.8 31.7 31st 15.3 -2.8 11.0 15th 0.8 0.4 high 200%
Point Stuart 30.1 -1.5 33.6 26th 15.3 -2.9 9.2 14th 0.2 0.7 average 29%
Port Keats Airport 29.3 -2.3 33.7 31st 13.9 -2.9 9.7 24th 8.2 1.3 v high 631%
Tindal RAAF 28.3 -2.2 33.0 31st 10.9 -2.7 6.6 24th 35.2 3.2 v high 1100%
Arnhem (district 14BC)
Cape Wessel 29.2 -0.6 30.5 27th 23.3 -0.6 21.9 6th 35.0 18.1 v high 193%
Gove Airport 27.2 -0.8 29.6 26th 20.2 -0.1 14.0 23rd 33.8 18.1 high 187%
Groote Eylandt Airport 26.6 -2.4 30.6 31st 13.7 -2.0 8.1 14th 2.4 2.6 high 92%
Maningrida Airport 30.1 -0.8 33.1 19th 16.6 -1.9 11.0 6th 0 0.8 v low 0%
Milingimbi Airport 29.9 -0.7 32.5 28th 17.4 -2.0 13.6 6th 0 2.6 v low 0%
Ngayawili 28.9 -0.8 31.4 19th 18.4 -1.3 12.5 6th 0 3.4 lowest 0%
Warruwi Airport 28.3 -0.5 30.3 28th 20.2 -1.1 18.1 23rd 0 1.7 lowest 0%
Roper-Mcarthur (district 14DE)
Borroloola Airport 28.9 -1.7 33.4 26th 10.7 -1.3 5.2 15th 12.2 0.9 highest 1356%
Centre Island 24.9 -1.5 29.1 25th 17.3 -1.4 15.3 16th 0 1.7 lowest 0%
Daly Waters Airstrip 27.0 -2.2 32.6 25th 9.1 -2.8 4.0 24th 46.2 2.5 v high 1848%
McArthur River Mine Airport 28.3 -1.9 32.6 26th 10.2 -2.1 4.1 16th 23.6 2.4 v high 983%
Ngukurr Airport 29.0 -2.3 33.2 26th 11.7 -2.6 5.8 14th 4.6 0.6 v high 767%
Victoria (district 14F)
Bradshaw 29.6 -2.6 34.5 31st 12.3 -3.1 6.9 15th 7.8 0.5 highest 1560%
Bradshaw - Angallari Valley (Defence) 29.5   34.6 25th 13.9   8.8 12th 3.2
Bradshaw - Koolendong Valley (Defence) 29.5   34.7 25th 7.8   3.1 15th 3.6
Lajamanu Airport 26.5 -0.8 32.7 25th 8.0 -1.5 3.8 12th 0 4.0 lowest 0%
Victoria River Downs 28.0 -1.5 33.8 25th 9.2 -1.8 4.2 13th 17.0 2.8 v high 607%
Barkly (district 15A)
Elliott 25.2 -3.3 31.7 25th 10.1 -1.3 6.4 13th 32.0 3.3 v high 970%
Tennant Creek Airport 22.8 -2.0 30.5 25th 10.4 -2.0 7.5 4th 5.0 5.0 high 100%
Alice Springs (district 15B)
Alice Springs Airport 20.0 +0.1 28.7 24th 0.5 -3.5 -4.0 15th 0 14.4 lowest 0%
Jervois 21.0 -1.1 28.6 24th 2.7 -2.7 -1.8 16th 0 12.9 lowest 0%
Rabbit Flat 25.8 -0.7 31.7 25th 3.3 -3.5 -1.6 8th 0 4.2 lowest 0%
Territory Grape Farm 22.0 -0.9 27.8 24th 3.1 -2.0 -2.5 7th 0 4.6 lowest 0%
Walungurru Airport 23.5 -0.5 29.6 23rd 10.4 -0.4 4.5 4th 0 10.3 lowest 0%
Watarrka 22.0 -0.1 29.5 23rd 4.7 -1.4 -4.2 6th 0 12.3 lowest 0%
Yulara Airport 21.0 +0.2 28.4 24th 3.2 -1.3 -2.0 6th 0 15.6 lowest 0%

Notes

The Monthly climate summary, usually published in the first week of the following month, lists the main features of the weather in Northern Territory using the most timely and accurate information available on the date of publication; it will generally not be updated. More extensive discussion of significant weather events, along with later information and data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review.

This statement has been prepared based on information available at 12 pm on Wednesday 3 August 2022. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.

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.

Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.

Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.

Further information

Media
(03) 9669 4057

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