Roxby Downs Climate

Roxby Downs Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
37.1 35.7 32.2 27.4 22.3 18.4 18.7 20.8 25.3 28.7 32.2 34.7 27.8
Mean Min (°C)
21.2 20.2 17.2 12.8 8.2 5.1 4.3 5.5 9.3 12.8 16.5 19.0 12.6
Mean Rain (mm)
12.9 15.8 7.6 15.2 8.8 14.8 6.1 9.0 9.5 11.9 12.5 15.2 139.7
Median Rain (mm)
2.2 6.2 1.9 5.8 4.3 2.2 2.4 3.8 6.8 9.6 12.0 9.0 133.0
Mean Rain Days
2.8 2.7 2.5 3.2 3.3 4.3 3.3 3.8 4.0 3.7 3.9 4.0 41.2

Roxby Downs Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
48.5 46.8 43.2 40.0 33.0 27.0 29.0 34.6 39.0 42.0 47.4 47.4 48.5
Low Max (°C)
17.5 18.9 18.5 17.3 13.0 12.0 11.0 9.8 16.0 14.9 19.2 22.0 9.8
High Min (°C)
33.0 33.7 28.5 24.0 19.0 15.5 14.8 18.5 25.0 26.2 30.0 32.8 33.7
Low Min (°C)
11.5 11.0 5.0 1.0 -3.0 -6.0 -5.0 -4.0 -1.1 2.2 6.0 8.0 -6.0
High Rain (mm)
52.0 61.6 36.2 86.0 17.0 45.0 13.0 17.4 24.6 41.0 40.0 48.8 86.0

Roxby Downs Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
40.7 38.9 34.9 31.7 24.3 19.9 20.7 23.0 30.1 34.5 35.0 38.9 28.9
Low Mn. Max (°C)
34.4 32.9 29.2 24.3 20.1 16.4 15.9 17.6 21.6 24.2 28.6 31.1 26.2
High Mn. Min (°C)
25.2 23.6 20.2 15.7 10.9 8.0 6.9 8.2 12.4 15.9 19.0 21.7 13.7
Low Mn. Min (°C)
18.0 16.1 14.5 8.8 5.1 0.7 0.9 2.4 6.2 10.1 13.8 16.5 11.3
High Rain (mm)
70.8 105.2 39.8 139.0 20.2 93.6 29.0 32.0 49.4 42.2 50.6 63.6 320.2
Low Rain (mm)
0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 35.2

Roxby Downs Annual Temperatures & Rainfall

OLYMPIC DAM AERODROME

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Roxby Downs Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
10.4 6.3 1.4 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.5 5.6 27.0
≥ 35.0°C
20.6 16.2 9.6 1.2 0.0 0.0 0.0 0.0 1.1 4.8 9.8 15.0 78.9
≥ 30.0°C
28.1 23.8 21.2 8.5 0.8 0.0 0.0 0.5 6.2 12.6 19.5 24.8 145.8
≤ 2.0°C
0.0 0.0 0.0 0.1 2.3 8.1 9.9 7.2 0.9 0.0 0.0 0.0 29.0
≤ 0.0°C
0.0 0.0 0.0 0.0 0.4 4.6 4.2 2.8 0.1 0.0 0.0 0.0 12.5

Roxby Downs 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
42.8 41.0 38.0 32.0 26.0 21.0 21.8 24.0 31.0 33.9 38.0 40.0 37.0
Low Max
31.0 30.0 26.0 22.0 19.0 16.0 15.5 17.0 20.0 22.9 25.6 28.7 19.0
High Min
27.0 26.0 21.0 18.0 13.0 10.0 8.9 10.7 14.0 17.0 21.9 23.0 21.0
Low Min
16.0 15.0 13.0 8.0 3.0 0.0 0.5 1.0 5.0 8.0 12.0 14.7 4.0

Roxby Downs Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
23 24 24 24 24 23 24 24 24 23 23 24 23.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Maxima
23 24 24 24 24 23 24 24 24 23 23 24 23.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021
Years of Rainfall
23 24 24 24 24 23 24 24 24 23 23 24 23.0
Earliest Entry
1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997
Latest Entry
2021 2021 2021 2021 2021 2021 2021 2021 2021 2021 2020 2020 2021

Station Details

OLYMPIC DAM AERODROME
NW Pastoral, South Australia
30.4869°S 136.8739°E 99m AMSL
Commenced 1997
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